Surgery Center Benchmarks

Baltimore-Columbia-Towson, MD

162 Medicare-certified surgical centers. 121 report quality measures, 87 have patient-survey scores.

162 centers
Center City Specialties Ownership ORs Hospital visits after surgery
Johns Hopkins Surgery Center Series LUTHERVILLE EndoscopyOB/GYN surgeryOrthopedic surgery +3 Proprietary 9 As expected Colonoscopy
Johns Hopkins Surgery Centers Series NOTTINGHAM EndoscopyOB/GYN surgeryOrthopedic surgery +4 Proprietary 3 As expected Colonoscopy
MAPLE LAWN SURGERY CENTER, LLC FULTON Foot surgeryOrthopedic surgeryPain management +1 Proprietary 1 As expected Colonoscopy
SURGCENTER OF TOWSON TOWSON Foot surgeryOB/GYN surgeryOrthopedic surgery +3 Proprietary 4 As expected Orthopedic
UNIVERSITY OF MARYLAND SURGERY CENTER COLUMBIA Foot surgeryOB/GYN surgeryOphthalmology +3 Proprietary 3 As expected Orthopedic
UROLOGICAL INSTITUTE OF MARYLAND TIMONIUM OtolaryngologyPain management Proprietary 1 As expected Urology
AAMC SURGERY CENTER - ANNAPOLIS ANNAPOLIS OB/GYN surgeryOrthopedic surgeryPain management Proprietary 2 As expected Orthopedic
AAMC SURGERY CENTER - PASADENA PASADENA OB/GYN surgeryOrthopedic surgeryPain management +1 Proprietary 2 As expected Orthopedic
BEL AIR AMBULATORY SURGICAL CENTER FOREST HILL Other surgery Proprietary 2 As expected Urology
DULANEY EYE INSTITUTE TOWSON Ophthalmology Proprietary 4 As expected General surgery
ENDOCENTRE AT QUARTERFIELD STATION GLEN BURNIE Endoscopy Proprietary 3 As expected Colonoscopy
ENDOCENTRE OF BALTIMORE BALTIMORE Endoscopy Proprietary 4 As expected Colonoscopy
GREENSPRING SURGERY CENTER, LLC BALTIMORE Orthopedic surgery Proprietary 3 As expected Orthopedic
LUTHERVILLE SURGERY CENTER LUTHERVILLE OB/GYN surgeryOphthalmologyOtolaryngology +1 Non-Profit 3 no case volume reported
MARYLAND SPECIALTY SURGERY CENTER LINTHICUM Foot surgeryOB/GYN surgeryOrthopedic surgery +2 Proprietary 3 As expected Orthopedic
MEDSTAR SURGERY CENTER AT TIMONIUM TIMONIUM Orthopedic surgery Proprietary 2 As expected Orthopedic
RUXTON SURGICENTER BALTIMORE Orthopedic surgery Proprietary 2 As expected Orthopedic
SURGCENTER OF BEL AIR, LLC BEL AIR Foot surgeryOrthopedic surgeryOtolaryngology +1 Proprietary 3 As expected Orthopedic
SURGCENTER OF GLEN BURNIE, LLC GLEN BURNIE Foot surgeryOrthopedic surgeryOtolaryngology +1 Proprietary 3 As expected Orthopedic
TIMONIUM SURGERY CENTER, LLC TIMONIUM Foot surgeryOB/GYN surgeryOphthalmology +4 Proprietary 2 As expected Orthopedic
TOWSON SURGICAL CENTER, LLC TOWSON Dental surgeryFoot surgeryOB/GYN surgery +3 Proprietary 2 As expected General surgery
WESTMINSTER SURGERY CENTER, LLC WESTMINSTER Foot surgeryOrthopedic surgeryOtolaryngology +1 Proprietary 3 As expected Orthopedic
ANNE ARUNDEL DIGESTIVE CENTER PASADENA Endoscopy Proprietary 2 As expected Colonoscopy
ASC DEVELOPMENT COMPANY, LLC BEL AIR Pain management Proprietary 2 no case volume reported
BALTIMORE EYE SURGICAL CENTER, , LLC BALTIMORE Ophthalmology Proprietary 3 no case volume reported
CARROLL COUNTY EYE SURGERY CENTER, LLC WESTMINSTER Ophthalmology Proprietary 3 no case volume reported
Cascades Endoscopy Center, Llc COLUMBIA Endoscopy Proprietary 3 As expected Colonoscopy
CHESAPEAKE EYE SURGERY ANNAPOLIS OphthalmologyOther surgery Proprietary 4 As expected General surgery
COLUMBIA SURGICAL INSTITUTE ELKRIDGE Ophthalmology Proprietary 3 no case volume reported
GASTROINTESTINAL DIAGNOSTIC CENTER BALTIMORE Endoscopy Proprietary 3 As expected Colonoscopy
HARFORD ENDOSCOPY CENTER BEL AIR Endoscopy Proprietary 3 As expected Colonoscopy
HOWARD COUNTY GASTROINTESTINAL DIAGNOSTIC CTR LLC COLUMBIA Endoscopy Proprietary 1 As expected Colonoscopy
Johns Hopkins Surgery Centers Series COLUMBIA EndoscopyPain management Proprietary 2 As expected Colonoscopy
MARYLAND DIAGNOSTIC & THERAPEUTIC ENDO CENTER ANNAPOLIS Endoscopy Proprietary 3 As expected Colonoscopy
MARYLAND ENDOSCOPY CENTER, LLC BALTIMORE Endoscopy Proprietary 3 As expected Colonoscopy
PINEY ORCHARD SURGERY CENTER L ODENTON Plastic surgery Proprietary 2 no case volume reported
Snowden River Surgery Center, Llc ELLICOTT CITY Ophthalmology Proprietary 3 As expected General surgery
SUMMIT AMBULATORY SURGERY CENTER, LLC COLUMBIA Other surgery Proprietary 1 As expected Urology
SUMMIT AMBULATORY SURGICAL CENTER, LLC BALTIMORE Other surgery Proprietary 0 As expected Urology
SUMMIT AMBULATORY SURGICAL CENTER, LLC HANOVER Other surgery Proprietary 2 As expected Urology
SURGICAL CENTER OF GREATER ANNAPOLIS ARNOLD Ophthalmology Proprietary 2 no case volume reported
ASC DEVELOPMENT COMPANY, LLC PIKESVILLE Pain management Proprietary 1 no case volume reported
ASC DEVELOPMENT COMPANY, LLC GLEN BURNIE Pain management Proprietary 1 no case volume reported
BALTIMORE WASHINGTON EYE CENTER GLEN BURNIE Ophthalmology Proprietary 1 no case volume reported
MID-ATLANTIC SURGERY PAVILION ABERDEEN Ophthalmology Proprietary 1 no case volume reported
NORTHERN BALTIMORE SURGERY CENTER TOWSON Ophthalmology Proprietary 2 no case volume reported
RIVA ROAD SURGICAL CENTER, LLC ANNAPOLIS Foot surgeryOphthalmologyOrthopedic surgery +2 Proprietary 3 As expected Orthopedic
SUMMIT AMBULATORY SURGICAL CENTER, LLC BALTIMORE Other surgery Proprietary 3 As expected Urology
SUMMIT AMBULATORY SURGICAL CENTER, LLC BALTIMORE Other surgery Proprietary 3 As expected Urology
SUMMIT AMBULATORY SURGICAL CENTER, LLC ANNAPOLIS Pain management Proprietary 3 As expected Urology
ANNAPOLIS ENT SURGICAL CENTER ANNAPOLIS Dental surgeryOtolaryngologyPlastic surgery Proprietary 4 As expected General surgery
ASC DEVELOPMENT COMPANY, LLC BALTIMORE Pain management Proprietary 2 no case volume reported
ASC DEVELOPMENT COMPANY, LLC COLUMBIA Pain management Proprietary 2 no case volume reported
ENDOSCOPY CENTER OF NORTH BALTIMORE, LLC TOWSON Endoscopy Proprietary 2 As expected Colonoscopy
MARYLAND CENTER FOR DIGESTIVE HEALTH, LLC ANNAPOLIS Endoscopy Proprietary 6 As expected Colonoscopy
SUMMIT AMBULATORY SURGERY CENTER BEL AIR Other surgery Proprietary 2 As expected Urology
SUMMIT AMBULATORY SURGICAL CENTER, LLC WESTMINSTER Other surgery Proprietary 3 As expected Urology
SUMMIT AMBULATORY SURGICAL CENTER, LLC BALTIMORE Other surgery Proprietary 4 As expected Urology
BALTIMORE AMBULATORY CENTER FOR ENDOSCOPY BALTIMORE Endoscopy Proprietary 1 As expected Colonoscopy
CLEARWAY SURGERY CENTER OF ANNAPOLIS ANNAPOLIS Pain management Proprietary 1 no case volume reported
CLEARWAY SURGERY CENTER OF BEL AIR, LLC BEL AIR Pain management Proprietary 1 no case volume reported
CLEARWAY SURGERY CENTER OF OWINGS MILLS OWINGS MILLS Pain managementPlastic surgery Proprietary 1 no case volume reported
CLEARWAY SURGERY CENTER OF WESTMINSTER,LLC WESTMINSTER Pain management Proprietary 11 no case volume reported
CLEARWAY SURGERY CENTER OF WHITE MARSH, LLC NOTTINGHAM Pain management Proprietary 1 no case volume reported
JOHN HOPKINS SURGERY CENTER SERIES COLUMBIA not filed — — As expected Orthopedic
MedStar Health Surgery Center at Annapolis Annapolis EndoscopyOrthopedic surgeryPain management +1 Proprietary 3 no case volume reported
SOUTH BALTIMORE COUNTY MEDICAL CENTER ASC HALETHORPE Foot surgeryOB/GYN surgeryOphthalmology +2 Non-Profit 2 no case volume reported
CLEARWAY SURGERY CENTER OF COLUMBIA COLUMBIA Other surgery Proprietary 1 no case volume reported
CLEARWAY SURGERY CENTERS OF KENT ISLAND STEVENSVILLE Pain managementOther surgery Proprietary 1 no case volume reported
DIALYSIS ACCESS SERVICES, LLC BALTIMORE OB/GYN surgeryOther surgery Proprietary 2 no case volume reported
LUTHERVILLE SURGICENTER, LLC LUTHERVILLE Orthopedic surgery Proprietary 2 As expected Orthopedic
MEDSTAR ENDOSCOPY AT LUTHERVILLE, LLC LUTHERVILLE Endoscopy Proprietary 2 As expected Colonoscopy
SUMMIT AMBULATORY SURGICAL CENTER, LLC BALTIMORE Other surgery Proprietary 0 As expected Urology
Surgcenter Of Northern Baltimore HUNT VALLEY Orthopedic surgeryOtolaryngologyPain management +1 Proprietary 3 As expected General surgery
AMERICAN ACCESS CARE OF BALTIMORE ASC, LLC WHITE MARSH Other surgery Proprietary 2 no case volume reported
ANNAPOLIS ENDOSCOPY CENTER, LLC ANNAPOLIS Endoscopy Proprietary 1 As expected Colonoscopy
ANNE ARUNDEL UROLOGICAL SURGERY CENTER, LLC ANNAPOLIS Other surgery Proprietary 1 Better Urology
CLEARWAY SURGERY CENTER OF CATONSVILLE BALTIMORE Other surgery Proprietary 1 no case volume reported
CLEARWAY SURGERY CENTER OF DUNDALK DUNDALK Other surgery Proprietary 1 no case volume reported
KENILWORTH SURGERY CENTER TOWSON Other surgery Proprietary 5 Better General surgery
SUMMIT AMBULATORY SURGICAL CENTER, LLC OWINGS MILLS Other surgery Proprietary 2 As expected Urology
Vsa Surgery Center of Lutherville, Llc TIMONIUM Other surgery Proprietary 1 no case volume reported
INNOVATIVE SURGERY CENTER HAVRE DE GRACE Pain management Proprietary 1 no case volume reported
JOHNS HOPKINS SURGERY CENTERS SERIES Lutherville not filed — — no case volume reported
SURGICENTER OF BALTIMORE, LLC OWINGS MILLS EndoscopyFoot surgeryOB/GYN surgery +6 Proprietary 5 As expected Colonoscopy
CENTRAL MARYLAND ENDOSCOPY, LLC ELKRIDGE Endoscopy Proprietary 2 As expected Colonoscopy
EndoCentre of Westminster Westminster not filed — — As expected Colonoscopy
Kaiser Permanente Lutherville-Timonium Ambulatory surgery center Timonium not filed — — no case volume reported
UNIVERSITY OF MARYLAND UROLOGICAL SURGERY CENTER BALTIMORE Other surgery Non-Profit 0 As expected Urology
CLINICAL ASSOCIATES TOWSON Other surgery Proprietary 0 As expected Colonoscopy
ELLICOTT CITY AMBULATORY SURGERY CENTER ELLICOTT CITY EndoscopyOB/GYN surgeryOrthopedic surgery +2 Proprietary 6 As expected Colonoscopy
SIMCARE ASC,LLC MOUNT AIRY Other surgery Proprietary 2 no case volume reported
Summit Brachytherapy, LLC Baltimore not filed — — no case volume reported
ARUNDEL AMBULATORY SURGERY CENTER ANNAPOLIS Dental surgeryFoot surgeryOphthalmology +5 Proprietary 2 As expected General surgery
CARROLL COUNTY ASC/YASH KUMAR WESTMINSTER EndoscopyPlastic surgeryOther surgery Proprietary 2 As expected Colonoscopy
ENDOSCOPY CENTER AT BEL AIR, THE BEL AIR EndoscopyPain managementOther surgery Proprietary 2 As expected Colonoscopy
33RD STREET SURGERY CENTER,THE BALTIMORE OtolaryngologyPlastic surgery Proprietary 3 no case volume reported
ABINGDON SURGICAL CENTER ABINGDON Foot surgery Proprietary 1 no case volume reported
AMBULATORY SURGERY CENTER FOR PELVIC NEURO SCIENCE LUTHERVILLE Other surgery Proprietary 1 As expected Urology
BALTIMORE HARFORD SURGICAL CENTER, LLC BEL AIR Other surgery Proprietary 1 As expected Urology
CROSSROADS PODIATRIC SURGERY CENTER, LLC OWINGS MILLS Foot surgery Proprietary 1 As expected Orthopedic
FACIAL PLASTIC SURGICENTER LTD BALTIMORE OtolaryngologyPlastic surgery Proprietary 1 As expected General surgery
GEORGE THOMAS GRACE SURGERY CE BALTIMORE Orthopedic surgeryPlastic surgery Non-Profit 1 As expected General surgery
MD LASER SURGERY CENTER COLUMBIA Other surgery Proprietary 1 no case volume reported
MOHS AND SKIN SURGERY CENTER, LLC LUTHERVILLE Other surgery Proprietary 0 Better General surgery
PLASTIC SURGERY SPECIALISTS ANNAPOLIS Plastic surgery Proprietary 4 As expected General surgery
PODIATRY ASSOCIATES COLUMBIA Other surgery Proprietary 1 As expected Orthopedic
PODIATRY ASSOCIATES AMBULATORY SURGICAL CENTER BALTIMORE Foot surgery Proprietary 1 As expected Orthopedic
Surgery Center Of Annapolis ANNAPOLIS Orthopedic surgeryPlastic surgery Proprietary 1 no case volume reported
SURGICAL SPECIALTY SUITES, INC. LUTHERVILLE Plastic surgery Proprietary 2 As expected General surgery
BALTIMORE COLUMBIA SURGERY CENTER ELLICOTT CITY Plastic surgery Proprietary 1 As expected General surgery
COSMETIC SURGERY FACILITY, LLC LUTHERVILLE Plastic surgery Proprietary 2 no case volume reported
DOWNTOWN BALTIMORE SURGERY CENTER BALTIMORE Endoscopy Proprietary 1 As expected Colonoscopy
ELKRIDGE ASC, LLC ELKRIDGE Pain managementPlastic surgery Proprietary 2 no case volume reported
ENDOSCOPY CENTER OF ESSEX, LLC BALTIMORE Endoscopy Proprietary 0 no case volume reported
Family Footcare Ambulatory Surgery Center, LLC BALTIMORE Foot surgery Proprietary 1 no case volume reported
HARFORD PODIATRIC SURGERY CENTER, INC PERRY HALL Foot surgery Proprietary 1 no case volume reported
LISA RENFRO SURGERY CENTER, LLC ANNAPOLIS Other surgery Proprietary 4 As expected General surgery
MARYLAND AESTHETIC & RECONSTRUCTIVE ASC BALTIMORE OphthalmologyPlastic surgery Proprietary 1 no case volume reported
PLAZA AMBULATORY SURGICAL CENTER BALTIMORE Foot surgery Proprietary 1 As expected Orthopedic
PODIATRY GROUP OF ANNAPOLIS AMBULATORY SURGERY CEN ANNAPOLIS Foot surgery Proprietary 1 no case volume reported
POOLE ENDOSCOPY CENTER WESTMINSTER Other surgery Proprietary 1 As expected Colonoscopy
WEST ANNAPOLIS SURGERY CENTER, LLC ANNAPOLIS Plastic surgery Proprietary 2 As expected General surgery
9106 PHILADELPHIA ROAD ASC, LLC BALTIMORE Pain management Proprietary 1 no case volume reported
ADVANCED CENTER FOR PLASTIC SURGERY TIMONIUM Plastic surgery Proprietary 1 no case volume reported
AMERICAN ACCESS CARE OF TOWSON ASC, LLC OWINGS MILLS Other surgery Proprietary 2 no case volume reported
ARUNDEL MILLS SURGERY CENTER, INC HANOVER Plastic surgery Proprietary 1 no case volume reported
BEL AIR SURGICAL AND VEIN CENTER, LLC BEL AIR Other surgery Proprietary 2 no case volume reported
BOX HILL SURGERY CENTER, LLC ABINGDON Pain management Proprietary 1 no case volume reported
CHECKERSPOT SURGERY CENTERS, LLC ODENTON Other surgery Proprietary 1 no case volume reported
CHESAPEAKE AMBULATORY SURGERY CENTER, LLC PASADENA Foot surgery Proprietary 2 no case volume reported
CLARKVIEW SURGERY CENTER, LLC BALTIMORE Foot surgeryPlastic surgery Proprietary 4 no case volume reported
CLEARWAY SURGERY CENTER OF ANNAPOLIS ANNAPOLIS Pain management Proprietary 1 no case volume reported
COLUMBIA AESTHETIC SURGERY CENTER, LLC COLUMBIA Plastic surgery Proprietary 1 no case volume reported
Columbia Parkway Surgery Center, LLC COLUMBIA Ophthalmology Proprietary 1 no case volume reported
COMPLETE PAIN SURGERY CENTER OF WHITE MARSH, LLC WHITE MARSH Pain management Proprietary 1 no case volume reported
ELDERSBURG SURGERY CENTER ELDERSBURG Foot surgery Proprietary 1 no case volume reported
EYE SURGERY CENTER OF WHITE MARSH, LLC BALTIMORE Ophthalmology Proprietary 2 no case volume reported
FEMI-CARE SURGERY CENTER, LLC Lutherville OB/GYN surgery Proprietary 2 no case volume reported
GEMINI ASC ELKRIDGE, LLC ELKRIDGE Pain management Proprietary 1 no case volume reported
Global Ambulatory Surgery Centers LLC PASADENA Pain management Proprietary 0 no case volume reported
GYNEMED SURGI CENTER BALTIMORE OB/GYN surgery Proprietary 1 no case volume reported
LASER SURGERY CENTER SEVERNA PARK Plastic surgery Proprietary 1 no case volume reported
MARYLAND PLASTIC SURGERY, LLC Millersville Plastic surgery Proprietary 1 no case volume reported
MARYLAND PODIATRY SURGICAL CENTER, LLC ELLICOTT CITY Foot surgery Proprietary 1 no case volume reported
MARYLAND SPINE AND SPORTS SURGI-CENTER, LLC CLARKSVILLE Pain management Proprietary 2 no case volume reported
METROPOLITAN SPINE ELLICOTT CITY Pain management Proprietary 1 no case volume reported
SGFC SURGERY CENTER TOWSON Other surgery Proprietary 1 no case volume reported
SUMMIT AMBULATORY SURGERY CENTER HAVRE DE GRACE Other surgery Proprietary 1 no case volume reported
SUMMIT AMBULATORY SURGICAL CENTER FULTON Other surgery Proprietary 2 no case volume reported
SURGERY CENTER OF YORK ROAD LLC LUTHERVILLE EndoscopyPlastic surgeryOther surgery Proprietary 2 no case volume reported
Timonium Endoscopy Center, LLC Lutherville Other surgery Proprietary 1 no case volume reported
TOWSON AMBULATORY SURGERY CENTER BALTIMORE Foot surgery Proprietary 1 no case volume reported
ZION AMBULATORY CENTER, LLC BALTIMORE Pain management Proprietary 1 no case volume reported
Advanced Eye Laser and Surgery Center, LLC SPARKS GLENCOE not filed — — no case volume reported
Baltimore Surgery Center, LLC Baltimore not filed — — no case volume reported
Clearway Surgery Center of Glen Burnie Glen Burnie not filed — — no case volume reported
Clearway Surgery Center of Timonium, LLC LUTHERVILLE TIMONIUM not filed — — no case volume reported
Clearway Surgery Center of Windsor Mill Windsor Mill not filed — — no case volume reported
Howard County Surgery Center, LLC MARRIOTTSVILLE not filed — — no case volume reported
PODIATRY ASSOCIATES AMBULATORY SURGICAL CENTER COCKEYSVILLE not filed — — no case volume reported
Washington Vascular Specialist of Baltimore Baltimore not filed — — no case volume reported

One measure shown per center — the one with reportable case volume. Every center reports on a different mix, which is why the full grid below is worth reading.

Center Colonoscopy
nat 9.9		Orthopedic
nat 2.4		Urology
nat 5.4		General surgery
nat 1		 Transfer
rate		 Rating Recommend Surveys
Johns Hopkins Surgery Center Series 9.5 As expected 2.4 As expected 5.1 As expected 0.9 As expected 0.156 97 95 559
Johns Hopkins Surgery Centers Series 10 As expected 2.3 As expected — 1 As expected 0.201 97 95 564
MAPLE LAWN SURGERY CENTER, LLC 10.1 As expected 2.7 As expected — — 0.087 96 95 226
SURGCENTER OF TOWSON — 2.5 As expected 5.3 As expected 1.1 As expected 0.069 94 95 296
UNIVERSITY OF MARYLAND SURGERY CENTER — 2.6 As expected — — 0.17 98 97 203
UROLOGICAL INSTITUTE OF MARYLAND — — 5.8 As expected — 0.07 96 96 41
AAMC SURGERY CENTER - ANNAPOLIS — 2.4 As expected — — 0.468 98 97 348
AAMC SURGERY CENTER - PASADENA — 2.5 As expected — 1 As expected 0.047 95 93 251
BEL AIR AMBULATORY SURGICAL CENTER — — 4.2 As expected — 0 96 90 25
DULANEY EYE INSTITUTE — — — 1 As expected 0.051 96 94 233
ENDOCENTRE AT QUARTERFIELD STATION 10.1 As expected — — — 0.109 97 96 536
ENDOCENTRE OF BALTIMORE 8.4 As expected — — — 0.159 96 95 470
GREENSPRING SURGERY CENTER, LLC — 2.4 As expected — — 0.025 97 95 164
LUTHERVILLE SURGERY CENTER — — — — 0 97 96 457
MARYLAND SPECIALTY SURGERY CENTER — 2.2 As expected — 1 As expected 0.313 97 96 118
MEDSTAR SURGERY CENTER AT TIMONIUM — 2.8 As expected — — 0.073 96 97 331
RUXTON SURGICENTER — 2 As expected — 1 As expected 0.067 97 96 346
SURGCENTER OF BEL AIR, LLC — 2.2 As expected — 1 As expected 0.079 95 94 169
SURGCENTER OF GLEN BURNIE, LLC — 2.6 As expected — 1 As expected 0.12 94 94 249
TIMONIUM SURGERY CENTER, LLC — 2.4 As expected — 1 As expected 0.058 94 94 315
TOWSON SURGICAL CENTER, LLC — — — 0.8 As expected 0.171 95 93 256
WESTMINSTER SURGERY CENTER, LLC — 1.9 As expected — — 0.04 97 97 205
ANNE ARUNDEL DIGESTIVE CENTER 9.2 As expected — — — 0.175 94 94 52
ASC DEVELOPMENT COMPANY, LLC — — — — 0 94 95 173
BALTIMORE EYE SURGICAL CENTER, , LLC — — — — 0 96 95 181
CARROLL COUNTY EYE SURGERY CENTER, LLC — — — — 0 96 96 159
Cascades Endoscopy Center, Llc 10 As expected — — — 0.02 94 95 117
CHESAPEAKE EYE SURGERY — — — 0.9 As expected 0.021 95 95 161
COLUMBIA SURGICAL INSTITUTE — — — — 0.047 96 97 147
GASTROINTESTINAL DIAGNOSTIC CENTER 10.9 As expected — — — 0.089 97 96 539
HARFORD ENDOSCOPY CENTER 8.2 As expected — — — 0.127 98 97 679
HOWARD COUNTY GASTROINTESTINAL DIAGNOSTIC CTR LLC 9.1 As expected — — — 0.126 94 96 208
Johns Hopkins Surgery Centers Series 9.8 As expected — — — 0.117 97 95 420
MARYLAND DIAGNOSTIC & THERAPEUTIC ENDO CENTER 10.5 As expected — — — 0.205 95 96 163
MARYLAND ENDOSCOPY CENTER, LLC 11.4 As expected — — — 0.139 95 94 619
PINEY ORCHARD SURGERY CENTER L — — — — 0.047 92 87 33
Snowden River Surgery Center, Llc — — — 1.1 As expected 0.027 97 96 227
SUMMIT AMBULATORY SURGERY CENTER, LLC — — 4.5 As expected — 0.042 94 95 214
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 4.9 As expected — 0.269 95 93 321
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 5.4 As expected — 0.29 94 93 232
SURGICAL CENTER OF GREATER ANNAPOLIS — — — — 0.077 98 98 113
ASC DEVELOPMENT COMPANY, LLC — — — — 0.087 85 81 61
ASC DEVELOPMENT COMPANY, LLC — — — — 0 93 93 115
BALTIMORE WASHINGTON EYE CENTER — — — — 0 94 95 115
MID-ATLANTIC SURGERY PAVILION — — — — 0 97 95 281
NORTHERN BALTIMORE SURGERY CENTER — — — — 0 94 95 55
RIVA ROAD SURGICAL CENTER, LLC — 2.2 As expected — 0.8 As expected 0.073 96 96 229
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 6.2 As expected — 0.099 93 92 264
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 4.9 As expected — 0.191 93 90 224
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 5.8 As expected — 0.245 94 93 222
ANNAPOLIS ENT SURGICAL CENTER — — — 0.9 As expected 0.139 98 98 148
ASC DEVELOPMENT COMPANY, LLC — — — — 0 88 84 30
ASC DEVELOPMENT COMPANY, LLC — — — — 0 94 93 143
ENDOSCOPY CENTER OF NORTH BALTIMORE, LLC 9.8 As expected — — — 0.027 95 93 160
MARYLAND CENTER FOR DIGESTIVE HEALTH, LLC 8.9 As expected — — — 0.073 93 94 388
SUMMIT AMBULATORY SURGERY CENTER — — 5.8 As expected — 0.18 95 95 214
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 4.5 As expected — 0.054 97 97 267
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 4.8 As expected — 0.212 94 93 245
BALTIMORE AMBULATORY CENTER FOR ENDOSCOPY 9.2 As expected — — — 0.071 96 97 264
CLEARWAY SURGERY CENTER OF ANNAPOLIS — — — — 0.022 92 89 88
CLEARWAY SURGERY CENTER OF BEL AIR, LLC — — — — 0.047 85 84 59
CLEARWAY SURGERY CENTER OF OWINGS MILLS — — — — 0.07 87 83 35
CLEARWAY SURGERY CENTER OF WESTMINSTER,LLC — — — — 0.032 96 95 71
CLEARWAY SURGERY CENTER OF WHITE MARSH, LLC — — — — 0.031 88 88 54
JOHN HOPKINS SURGERY CENTER SERIES — 2.1 As expected — 0.9 As expected 0 96 95 605
MedStar Health Surgery Center at Annapolis — — — — — 96 96 247
SOUTH BALTIMORE COUNTY MEDICAL CENTER ASC — — — — — 97 95 686
CLEARWAY SURGERY CENTER OF COLUMBIA — — — — 0.121 87 88 47
CLEARWAY SURGERY CENTERS OF KENT ISLAND — — — — — 92 93 89
DIALYSIS ACCESS SERVICES, LLC — — — — 0.564 95 92 91
LUTHERVILLE SURGICENTER, LLC — 1.6 As expected — 1 As expected — 96 96 44
MEDSTAR ENDOSCOPY AT LUTHERVILLE, LLC 10.2 As expected — — — — 94 95 111
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 5.2 As expected — — 94 95 89
Surgcenter Of Northern Baltimore — — — 1 As expected — 97 95 198
AMERICAN ACCESS CARE OF BALTIMORE ASC, LLC — — — — 0.158 93 90 128
ANNAPOLIS ENDOSCOPY CENTER, LLC 11.3 As expected — — — — 97 96 125
ANNE ARUNDEL UROLOGICAL SURGERY CENTER, LLC — — 4.2 Better — — 95 94 96
CLEARWAY SURGERY CENTER OF CATONSVILLE — — — — — 91 82 29
CLEARWAY SURGERY CENTER OF DUNDALK — — — — 0.044 95 94 73
KENILWORTH SURGERY CENTER — — — 0.6 Better — 97 97 82
SUMMIT AMBULATORY SURGICAL CENTER, LLC — — 4 As expected — — 94 95 147
Vsa Surgery Center of Lutherville, Llc — — — — 0.325 97 97 42
INNOVATIVE SURGERY CENTER — — — — — 95 94 99
JOHNS HOPKINS SURGERY CENTERS SERIES — — — — 0 98 97 195
SURGICENTER OF BALTIMORE, LLC 10.1 As expected 2.7 As expected — 1 As expected 0.179 — — —
CENTRAL MARYLAND ENDOSCOPY, LLC 8.9 As expected — — — 0 — — —
EndoCentre of Westminster 9.7 As expected — — — — 97 96 662
Kaiser Permanente Lutherville-Timonium Ambulatory surgery center — — — — — 97 95 487
UNIVERSITY OF MARYLAND UROLOGICAL SURGERY CENTER — — 6.6 As expected — 0 — — —
CLINICAL ASSOCIATES 9.2 As expected — — — 0.149 — — —
ELLICOTT CITY AMBULATORY SURGERY CENTER 10.1 As expected 2.4 As expected — 1 As expected 0.196 — — —
SIMCARE ASC,LLC — — — — 0 — — —
Summit Brachytherapy, LLC — — — — — 93 90 51
ARUNDEL AMBULATORY SURGERY CENTER — — — 1.1 As expected 0.129 — — —
CARROLL COUNTY ASC/YASH KUMAR 9.7 As expected — — 0.9 As expected — — — —
ENDOSCOPY CENTER AT BEL AIR, THE 10.7 As expected — — 1.1 As expected — — — —
33RD STREET SURGERY CENTER,THE — — — — — — — —
ABINGDON SURGICAL CENTER — — — — — — — —
AMBULATORY SURGERY CENTER FOR PELVIC NEURO SCIENCE — — 4.8 As expected — — — — —
BALTIMORE HARFORD SURGICAL CENTER, LLC — — 6.1 As expected — 0.352 — — —
CROSSROADS PODIATRIC SURGERY CENTER, LLC — 2.4 As expected — — — — — —
FACIAL PLASTIC SURGICENTER LTD — — — 1 As expected — — — —
GEORGE THOMAS GRACE SURGERY CE — — — 1 As expected — — — —
MD LASER SURGERY CENTER — — — — — — — —
MOHS AND SKIN SURGERY CENTER, LLC — — — 0.6 Better — — — —
PLASTIC SURGERY SPECIALISTS — — — 0.9 As expected — — — —
PODIATRY ASSOCIATES — 2.2 As expected — — — — — —
PODIATRY ASSOCIATES AMBULATORY SURGICAL CENTER — 2.2 As expected — — — — — —
Surgery Center Of Annapolis — — — — — — — —
SURGICAL SPECIALTY SUITES, INC. — — — 1 As expected — — — —
BALTIMORE COLUMBIA SURGERY CENTER — — — 0.9 As expected — — — —
COSMETIC SURGERY FACILITY, LLC — — — — — — — —
DOWNTOWN BALTIMORE SURGERY CENTER 9.7 As expected — — — — — — —
ELKRIDGE ASC, LLC — — — — — — — —
ENDOSCOPY CENTER OF ESSEX, LLC — — — — — — — —
Family Footcare Ambulatory Surgery Center, LLC — — — — — — — —
HARFORD PODIATRIC SURGERY CENTER, INC — — — — — — — —
LISA RENFRO SURGERY CENTER, LLC — — — 1.1 As expected — — — —
MARYLAND AESTHETIC & RECONSTRUCTIVE ASC — — — — — — — —
PLAZA AMBULATORY SURGICAL CENTER — 2.3 As expected — — — — — —
PODIATRY GROUP OF ANNAPOLIS AMBULATORY SURGERY CEN — — — — — — — —
POOLE ENDOSCOPY CENTER 10 As expected — — — — — — —
WEST ANNAPOLIS SURGERY CENTER, LLC — — — 0.9 As expected — — — —
9106 PHILADELPHIA ROAD ASC, LLC — — — — — — — —
ADVANCED CENTER FOR PLASTIC SURGERY — — — — — — — —
AMERICAN ACCESS CARE OF TOWSON ASC, LLC — — — — — — — —
ARUNDEL MILLS SURGERY CENTER, INC — — — — — — — —
BEL AIR SURGICAL AND VEIN CENTER, LLC — — — — — — — —
BOX HILL SURGERY CENTER, LLC — — — — — — — —
CHECKERSPOT SURGERY CENTERS, LLC — — — — — — — —
CHESAPEAKE AMBULATORY SURGERY CENTER, LLC — — — — — — — —
CLARKVIEW SURGERY CENTER, LLC — — — — — — — —
CLEARWAY SURGERY CENTER OF ANNAPOLIS — — — — — — — —
COLUMBIA AESTHETIC SURGERY CENTER, LLC — — — — — — — —
Columbia Parkway Surgery Center, LLC — — — — — — — —
COMPLETE PAIN SURGERY CENTER OF WHITE MARSH, LLC — — — — — — — —
ELDERSBURG SURGERY CENTER — — — — — — — —
EYE SURGERY CENTER OF WHITE MARSH, LLC — — — — — — — —
FEMI-CARE SURGERY CENTER, LLC — — — — — — — —
GEMINI ASC ELKRIDGE, LLC — — — — — — — —
Global Ambulatory Surgery Centers LLC — — — — — — — —
GYNEMED SURGI CENTER — — — — — — — —
LASER SURGERY CENTER — — — — — — — —
MARYLAND PLASTIC SURGERY, LLC — — — — — — — —
MARYLAND PODIATRY SURGICAL CENTER, LLC — — — — — — — —
MARYLAND SPINE AND SPORTS SURGI-CENTER, LLC — — — — — — — —
METROPOLITAN SPINE — — — — — — — —
SGFC SURGERY CENTER — — — — — — — —
SUMMIT AMBULATORY SURGERY CENTER — — — — — — — —
SUMMIT AMBULATORY SURGICAL CENTER — — — — — — — —
SURGERY CENTER OF YORK ROAD LLC — — — — — — — —
Timonium Endoscopy Center, LLC — — — — — — — —
TOWSON AMBULATORY SURGERY CENTER — — — — — — — —
ZION AMBULATORY CENTER, LLC — — — — — — — —
Advanced Eye Laser and Surgery Center, LLC — — — — — — — —
Baltimore Surgery Center, LLC — — — — — — — —
Clearway Surgery Center of Glen Burnie — — — — — — — —
Clearway Surgery Center of Timonium, LLC — — — — — — — —
Clearway Surgery Center of Windsor Mill — — — — — — — —
Howard County Surgery Center, LLC — — — — — — — —
PODIATRY ASSOCIATES AMBULATORY SURGICAL CENTER — — — — — — — —
Washington Vascular Specialist of Baltimore — — — — — — — —

Rates are per-100 risk-standardized 7-day hospital visits; "nat" is the national rate for that measure. Rating and Recommend are OAS CAHPS linear mean scores (0–100). A dash means CMS did not report a value — usually too few cases, which is not a bad score.

Sources: CMS Provider of Services file (iQIES, 2026 Q2) for the facility list, specialties and room counts; CMS ASCQR facility-level quality measures; CMS OAS CAHPS patient survey. Metro grouping is by CBSA code 12580; the area name is the U.S. Census Bureau's own title for it, not one we invented.