How many ambulatory surgery centers are in Maryland?

There are 284 Medicare-certified ambulatory surgery centers (ASCs) in Maryland, per the CMS ASC quality dataset. The full list — facility name, city, CCN, and NPI — is available below.

What is an ambulatory surgery center (ASC)?

An ambulatory surgery center (ASC) is a healthcare facility where surgical procedures are performed on an outpatient basis — patients are not admitted overnight. ASCs are Medicare-certified and reimbursed separately from hospital outpatient departments.

▸ ASC DIRECTORY · MD

Ambulatory Surgery Centers in Maryland

284 Medicare-certified ambulatory surgery centers (ASCs) operate in Maryland. Each entry below links to the facility's full profile — CCN, NPI, location, and CMS quality measures. Sourced from CMS dataset 4jcv-atw7, refreshed monthly.

Need the full Maryland ASC list as a spreadsheet? CSV/Excel export with NPIs and contact fields is included on any paid plan. See pricing →

Facility	City	CCN	NPI
33RD STREET SURGERY CENTER LLC	BALTIMORE	21C0001384	1467470930
AAU GREENBELT ASC LLC	GREENBELT	21C0001646	1487239059
ABINGDON SURGICAL CENTER PC	ABINGDON	21C0001593	1033560420
ABULATORY PLASTIC SURGERY CENTER ASSOCIATES CHTD	ROCKVILLE	21C0001050	1144255415
ADVANCED SURGERY CENTER LLC	ROCKVILLE	21C0001400	1669426706
ADVANCED SURGERY CENTER OF BETHESDA LLC	BETHESDA	21C0001538	1972869881
ADVANCED SURGICAL CARE OF MARYLAND LLC	LANHAM	21C0001658	1679149330
ADVENTIST HEALTH CARE SURGERY CENTER AT NATIONAL HARBOR	OXON HILL	21C0001671	1841955358
ALLEGANY AMBULATORY SURGERY CENTER	CUMBERLAND	21C0001348	1235117052
AMBER MEADOWS SURGERY CENTER LLC	FREDERICK	21C0001527	1588785208
AMBULATORY CENTER FOR AESTHETIC AND RECONSTRUCTIVE SURGERY	FREDERICK	21C0001455	1841325214
AMBULATORY ENDOSCOPY CENTER OF MARYLAND	LAUREL	21C0001099	1609871680
AMBULATORY FOOT AND ANKLE CENTER INC	SILVER SPRING	21C0001260	1679566228
AMBULATORY SURGERY CENTER FOR PELVIC NEURO SCIENCE LLC	LUTHERVILLE TIMONIUM	21C0001596	1871941468
AMBULATORY SURGERY CENTER OF B	NORTH BETHESDA	21C0001371	1407947112
AMBULATORY UROLOGY SURGICAL CENTER LLC	CUMBERLAND	21C0001262	1891022000
AMERICAN ACCESS CARE OF BALTIMORE ASC LLC	NOTTINGHAM	21C0001597	1922531268
ANDOCHICK SURGICAL CENTER LLC	FREDERICK	21C0001340	1710952841
ANNAPOLIS ENDOSCOPY CENTER LLC	ANNAPOLIS	21C0001635	1225665292
ANNAPOLIS ENT SURGICAL CENTER LLC	ANNAPOLIS	21C0001360	1629094917
ANNE ARUNDEL DIGESTIVE CENTER	PASADENA	21C0001208	1740387257
ANNE ARUNDEL SURGERY CENTER PASADENA	PASADENA	21C0001613	1225531544
ANNE ARUNDEL SURGERY CENTER ANNAPOLIS	ANNAPOLIS	21C0001627	1154805646
ANNE ARUNDEL UROLOGICAL SURGERY CENTER	ANNAPOLIS	21C0001235	1023199601
ANTIETAM UROSURGICAL CENTER LLC ASC	HAGERSTOWN	21C0001224	1437106846
ARTURO BETANCOURT MD PA DBA BALTIMORE WASHINGTON EYE CENTER	GLEN BURNIE	21C0001009	1700881539
ARUNDEL AMBULATORY SURGERY CENTER	ANNAPOLIS	21C0001067	1083701742
ASC DEVELOPMENT COMPANY LLC	GERMANTOWN	21C0001589	1518208883
ASC DEVELOPMENT COMPANY LLC	BEL AIR	21C0001488	1053560896
ASC DEVELOPMENT COMPANY LLC	FREDERICK	21C0001436	1093757379
ASC DEVELOPMENT COMPANY LLC	HAGERSTOWN	21C0001372	1942458062
ASC DEVELOPMENT COMPANY LLC	WHITE PLAINS	21C0001617	1114491073
ASC DEVELOPMENT COMPANY LLC	PIKESVILLE	21C0001324	1215185335
ASC DEVELOPMENT COMPANY LLC	BOWIE	21C0001458	1225286354
ASC DEVELOPMENT COMPANY LLC	COLUMBIA	21C0001440	1407004534
AZAR EYE SURGERY CENTER LLC	SALISBURY	21C0001355	1548263619
BALTIMORE AMBULATORY CENTER FOR ENDOSCOPY	BALTIMORE	21C0001159	1346270428
BALTIMORE COLUMBIA SURGERY CENTER LLC	ELLICOTT CITY	21C0001584	1740647353
BALTIMORE EYE SURGICAL CENTER LLC	BALTIMORE	21C0001403	1720139512
BALTIMORE HARFORD SURGICAL CENTERS	BEL AIR	21C0001284	1972711612
BAY SURGERY CENTERS GLEN BURNIE	GLEN BURNIE	21C0001505	1750612446
BAY SURGERY CENTERS KENT ISLAND	STEVENSVILLE	21C0001504	1396076980
BAY SURGERY CENTERS LLC DBA CLEARWAY SURGERY CENTER OF ANNAPOLIS	ANNAPOLIS	21C0001637	1861001372
BAY SURGERY CENTERS WALDORF LLC DBA CLEARWAY SURGERY CENTER OF WALDORF	WALDORF	21C0001655	1720752629
BEL AIR AMBULATORY SURGICAL CENTER LLC	FOREST HILL	21C0001078	1851342430
BELCREST SURGERY CENTER	HYATTSVILLE	21C0001163	1720128929
BELMONT SURGERY CENTER LLC	CHEVY CHASE	21C0001513	1528386497
BELTSVILLE AMBULATORY SURGERY CENTER INC	BELTSVILLE	21C0001216	1437189354
BERGMAN EYE SURGERY CENTER LLC	HAGERSTOWN	21C0001482	1235304312
BETHESDA CHEVY CHASE SURGERY CENTER LLC DBA BETHESDA CHEVY CHASE SURGERY CENTER	BETHESDA	21C0001514	1134431323
BETHESDA ENDOSCOPY CENTER LLC	BETHESDA	21C0001171	1316969058
BETHESDA ENDOSCOPY CENTER LLC	NORTH BETHESDA	21C0001676	1609568922
CALVERT AMBULATORY FOOT SURGERY CENTER	PRINCE FREDERICK	21C0001325	1760491633
CALVERT DIGESTIVE DISEASE ASSOCIATES ENDOSCOPY AND SURGERY CENTER LLC	PRINCE FREDERICK	21C0001605	1699219766
CAPITAL ENDOSCOPY LLC	HYATTSVILLE	21C0001391	1770513855
CAPITAL ORTHOPAEDIC SURGERY CENTER LLC	GERMANTOWN	21C0001629	1548896095
CAPITOL SURGICAL CENTER LLC	BETHESDA	21C0001399	1245529189
CARROLL COUNTY AMBULATORY SURGICAL CENTER	WESTMINSTER	21C0001290	1063459451
CARROLL COUNTY DIGESTIVE DISEASE CENTER LLC	WESTMINSTER	21C0001245	1386614832
CARROLL COUNTY EYE SURGERY CENTER LLC	WESTMINSTER	21C0001394	1255390670
CASCADES ENDOSCOPY CENTER LLC	COLUMBIA	21C0001475	1780699546
CEC SURGICAL SERVICES LLC	SALISBURY	21C0001549	1194163576
CENTER FOR PAIN MANAGEMENT ASC LLC	GLEN BURNIE	21C0001396	1023266145
CENTRAL MARYLAND ENDOSCOPY LLC	ELKRIDGE	21C0001418	1316976137
CHARLES REGIONAL SURGICAL CENTER LLC	LA PLATA	21C0001633	1932718822
CHESAPEAKE EYE SURGERY CENTER LLC	ANNAPOLIS	21C0001358	1346215316
CHEVY CHASE ENDOSCOPY CENTER	CHEVY CHASE	21C0001251	1316919574
CIVISTA CLINICAL SERVICES DBA UM CHARLES REGIONAL ENDOSCOPY CENTER	LA PLATA	21C0001638	1689212151
CLEARWAY SURGERY CENTER OF BEL AIR LLC	BEL AIR	21C0001642	1578154514
CLEARWAY SURGERY CENTER OF BETHESDA LLC	BETHESDA	21C0001657	1043974694
CLEARWAY SURGERY CENTER OF CATONSVILLE	BALTIMORE	21C0001615	1649735861
CLEARWAY SURGERY CENTER OF COLUMBIA		21C0001625	1871052712
CLEARWAY SURGERY CENTER OF DUNDALK	DUNDALK	21C0001619	1336605351
CLEARWAY SURGERY CENTER OF EASTON LLC	EASTON	21C0001640	1417566217
CLEARWAY SURGERY CENTER OF ELKTON LLC	ELKTON	21C0001661	1104563444
CLEARWAY SURGERY CENTER OF PRINCE FREDERICK LLC	PRINCE FREDERICK	21C0001639	1962011775
CLEARWAY SURGERY CENTER OF SALISBURY LLC	SALISBURY	21C0001649	1396329033
CLEARWAY SURGERY CENTER OF WESTMINSTER LLC	WESTMINSTER	21C0001648	1013584762
CLINICAL ASSOCIATES PA DBA CLINICAL ASSOCIATES ASC	TOWSON	21C0001063	1982074001
COLLEGE PARK SURGERY CENTER LLC	GLENN DALE	21C0001515	1962711614
COLUMBIA SURGICAL INSTITUTE LLC	ELKRIDGE	21C0001541	1942553300
COSMETIC SURGERY FACILITY LLC	LUTHERVILLE TIMONIUM	21C0001462	1578763199
COURT ENDOSCOPY CENTER OF FREDERICK INC	FREDERICK	21C0001398	1407829732
CROSSROADS PODIATRIC SURGERY CENTER LLC	OWINGS MILLS	21C0001450	1003912957
CUMBERLAND VALLEY SURGERY CENTER	HAGERSTOWN	21C0001380	1881658524
DEER POINTE SURGICAL CENTER LLC	SALISBURY	21C0001511	1689986879
DELMAR SURGICAL CENTER LLC	ELKTON	21C0001277	1306924170
DELMARVA ENDOSCOPY CENTER LLC	BERLIN	21C0001620	1922566066
DIALYSIS ACCESS SERVICES LLC	TIMONIUM	21C0001594	1396142733
DIALYSIS ACCESS SERVICES LLC	BALTIMORE	21C0001590	1356890172
DISTRICT SURGERY CENTER LLC	BETHESDA	21C0001672	1235819533
DOWNTOWN BALTIMORE SURGERY CENTER LLC	BALTIMORE	21C0001334	1255446910
DULANEY EYE INSTITUTE	TOWSON	21C0001161	1376546721
DUNDALK AMBULATORY SURG CNTR	BALTIMORE	21C0001020	1306063177
EASTERN SHORE ENDOSCOPY LLC	EASTON	21C0001542	1215287156
ELKRIDGE ASC LLC	ELKRIDGE	21C0001606	1487169769
ELLICOTT CITY AMBULATORY SURGERY CENTER LLLP	ELLICOTT CITY	21C0001003	1114025608
ENDOCENTRE AT QUARTERFIELD STATION	GLEN BURNIE	21C0001377	1205013273
ENDOCENTRE OF BALTIMORE	BALTIMORE	21C0001068	1043497019
ENDOSCOPIC SURGICAL CENTER OF MARYLAND NORTH	ROCKVILLE	21C0001368	1073675583
ENDOSCOPIC SURGICAL CENTRE OF MARYLAND	SILVER SPRING	21C0001226	1770645905
ENDOSCOPY CENTER AT ROBINWOOD LLC	HAGERSTOWN	21C0001364	1184664609
ENDOSCOPY CENTER OF ESSEX LLC	BALTIMORE	21C0001447	1437266673
ENDOSCOPY CENTER OF NORTH BALTIMORE	TOWNSON	21C0001385	1417987595
FACIAL PLASTIC SURGICENTER LTD	BALTIMORE	21C0001054	1831118892
FALLSGROVE ENDOSCOPY CENTER LLC	ROCKVILLE	21C0001628	1972141455
FOOT AND ANKLE CENTER AT THE BURKLAND MEDICAL CENTER INC	SILVER SPRING	21C0001309	1457320962
FOUR CORNERS AMBULATORY SURGICAL CENTER LLC	SILVER SPRING	21C0001093	1285633818
FREDERICK ENDOSCOPY CENTER LLC	FREDERICK	21C0001244	1063519866
FREDERICK FOOT AND ANKLE ASC LLC	FREDERICK	21C0001561	1902220627
FREDERICK SURGICAL CENTER	FREDERICK	21C0001039	1376542076
FRIENDSHIP HEIGHTS ENDOSCOPY ASC LLC	CHEVY CHASE	21C0001674	1316651136
GAITHERSBURG AMBULATORY SURGERY CENTER	GAITHERSBURG	21C0001539	1497023188
GAITHERSBURG FOOT AND ANKLE SURGERY CTR LLC	GAITHERSBURG	21C0001427	1760507834
GALLERIA SURGERY CENTER LLC	HAGERSTOWN	21C0001040	1225221435
GASTROINTESTINAL DIAGNOSTIC CENTER	CATONVILLE	21C0001160	1043282775
GASTROINTESTINAL ENDOSCOPY ASSOCIATES LLC	ROCKVILLE	21C0001192	1871568329
GI WELLNESS CENTER OF FREDERICK	FREDERICK	21C0001579	1013372986
GI WELLNESS CENTER OF FREDERICK LLC	FREDERICK	21D2113134	1013372986
GLEN ECHO SURGERY CENTER	CHEVY CHASE	21C0001583	1356704027
GREENBELT AMBULATORY SURGERY LP	GREENBELT	21C0001379	1255909842
GREENBELT ENDOSCOPY CENTER LLC	LANHAM	21C0001212	1538116439
GREENBELT UROLOGY INSTITUTE LLC	GREENBELT	21C0001490	1871514067
GREENSPRING SURGERY CENTER	BALTIMORE	21C0001443	1033141825
HAGERSTOWN SURGERY CENTER LLC	HAGERSTOWN	21C0001525	1831489335
HARBOR HEIGHTS SURGERY CENTER	OXON HILL	21C0001581	1245605633
HARBORSIDE SURERY CENTER LLC	NATIONAL HARBOR	21C0001535	1912267592
HARFORD ENDOSCOPY CENTER	BEL AIR	21C0001126	1730152869
HARFORD PODIATRIC SURGERY CENTER	PERRY HALL	21C0001242	1962407726
HENDI AMBULATORY SURGERY CENTER	CHEVY CHASE	21C0001484	1710151063
HICKORY RIDGE SURGERY CTR	COLUMBIA	21C0001388	1649393695
HOWARD COUNTY GASTROINTESTINAL DIAGNOSTIC CTR LLC	COLUMBIA	21C0001342	1336159284
JAMES P THOMPSON MD PA	EASTON	21C0001035	1235354002
JESSCO LLC	BERLIN	21C0001448	1033290499
JOHNS HOPKINS SCS	BETHESDA	21C0001351	1295385482
JOHNS HOPKINS SURGERY CENTER SERIES	LUTHERVILLE	21C0001663	1053039883
JOHNS HOPKINS SURGERY CENTER SERIES	LUTHERVILLE	21C0001618	1316406523
JOHNS HOPKINS SURGERY CENTERS SERIES	COLUMBIA	21C0001650	1871260554
JOHNS HOPKINS SURGERY CENTERS SERIES DBA KNOLL NORTH SURGERY CENTER	COLUMBIA	21C0001591	1720514359
JOHNS HOPKINS SURGERY CENTERS SERIES DBA LUTHERVILLE SURGERY CENTER	LUTHERVILLE	21C0001145	1700437423
JOHNS HOPKINS SURGERY CENTERS SERIES DBA WHITE MARSH SURGERY CENTER SERIES	NOTTINGHAM	21C0001451	1639290026
KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES INC	LARGO	21C0001556	1366781700
KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES INC	KENSINGTON	21C0001043	1578638425
KAISER FOUNDATION MID ATLANTIC STATES DBA KAISER PERMANENTE LUTHERVILLE TIMONIUM ASC	TIMONIUM	21C0001656	1457023616
KENILWORTH SURGERY CENTER LLC	TOWSON	21C0001367	1801952346
KIRURGS LLC	CUMBERLAND	21C0001278	1861449571
LA PLATA UROLOGY CENTER	LA PLATA	21C0001480	1336310986
LAKEFOREST AMBULATORY SURGERY CENTER	GAITHERSBURG	21C0001136	1487779435
LAKEVIEW SURGERY CENTER	BOWIE	21C0001599	1629429410
LAUREL FOOT AND ANKLE CENTER	LAUREL	21C0001149	1992904734
LEONARDTOWN SURGERY CENTER LLC	LEONARDTOWN	21C0001524	1174802045
LISA RENFRO SURGERY CENTER LLC	ANNAPOLIS	21C0001369	1073601332
LOCKWOOD AMBULATORY SURGERY CENTER	SILVER SPRING	21C0001189	1154385813
LUTHERVILLE SURGERY CENTER LLC DBA SURGCENTER OF TOWSON	TOWSON	21C0001608	1609375682
LUTHERVILLE SURGICENTER LLC	LUTHERVILLE	21C0001302	1124058946
MAPLE LAWN SURGERY CENTER	FULTON	21C0001491	1255577045
MAPLE SPRING PODIATRIC SURGICAL CENTER INC	GAITHERSBURG	21C0001129	1447442876
MARYLAND AESTHETIC AND RECONSTRUCTIVE ASC LLC	TOWSON	21C0001296	1528134293
MARYLAND DIAGNOSTIC AND THERAPEUTIC ENDO CENTER LLC	ANNAPOLIS	21C0001500	1083855092
MARYLAND ENDOSCOPY CENTER LLC	TOWSON	21C0001140	1710952130
MARYLAND EYE SURGERY CENTER LLC	PRINCE FREDERICK	21C0001333	1255347050
MARYLAND SPECIALTY SURGERY CENTER LLC	LINTHICUM	21C0001536	1164771762
MARYLAND SURGERY CENTER	ROCKVILLE	21C0001347	1720048242
MASSACHUSETTS AVE SURGERY CENTER	BETHESDA	21C0001409	1568513950
MD LASER SURGERY CENTER	COLUMBIA	21C0001546	1346581105
MECHANICSVILLE AMBULATORY SURGERY CENTER LLC	MECHANICSVILLE	21C0001402	1528153111
MEDSTAR ENDOSCOPY CENTER AT LUTHERVILLE	LUTHERVILLE	21C0001602	1164934212
MEDSTAR HEALTH ENDOSCOPY CENTER SILVER SPRING LLC	SILVER SPRING	21C0001652	1518634732
MEDSTAR MEDICAL GROUP SOUTHERN MARYLAND LLC	HOLLYWOOD	21C0001565	1730571118
MEDSTAR SURGERY CENTER 1 DBA MEDSTAR HEALTH SURGERY CENTER AT ANNAPOLIS	ANNAPOLIS	21C0001677	1669176020
MEDSTAR SURGERY CENTER AT BRANDYWINE	BRANDYWINE	21C0001604	1386161495
MEDSTAR SURGERY CENTER AT TIMONIUM	TIMONIUM	21C0001600	1033635206
METRO AMBULATORY SURGICAL CENTER	TEMPLE HILLS	21C0001240	1578600979
METROPOLITAN VASCULAR INSTITUTE LLC	WALDORF	21C0001643	1871187245
MITCHELL A BARBER DPM ASC LLC	LAUREL	21C0001231	1285718981
MOHS AND SKIN SURGERY CENTER LLC	LUTHERVILLE	21C0001586	1124492996
MONOCACY SURGERY CENTER LLC	FREDERICK	21C0001551	1821421256
MONTGOMERY SURGERY CENTER LIMITED PARTNERSHIP	ROCKVILLE	21C0001008	1437120953
MONTGOMERY SURGERY CENTER LIMITED PARTNERSHIP DBA MONTGOMERY SURGERY CENTER	ROCKVILLE	21C0001213	1437120953
MSC AMBULATORY SURGICAL CENTER	FREDERICK	21C0001422	1710032842
MSC AMBULATORY SURGICAL CENTER LLC	BETHESDA	21C0001489	1417118407
NATIONAL SPINE AND PAIN	ROSEDALE	21C0001550	1619221801
NATIONAL SPINE AND PAIN	ROSEDALE	21C0001801	1619221801
NEWBRIDGE SURGERY CENTER AT FREDERICK	FREDERICK	21C0001507	1508199720
NEWBRIDGE SURGERY CENTER AT PRINCE FREDERICK LLC	PRINCE FREDERICK	21C0001517	1285944504
NEWBRIDGE SURGERY CENTER AT WALDORF	WALDORF	21C0001540	1710112669
NORTHERN BALTIMORE SURGERY CENTER LLC	TOWSON	21C0001187	1447319603
NSPC SURGERY CENTER OF MARYLAND	OXON HILL	21C0001636	1346862869
OXON HILL UROLOGY SURGERY CENTER PC	OXON HILL	21C0001563	1316375884
PARKWAY SURGERY CENTER	HAGERSTOWN	21C0001438	1821036534
PENINSULA EYE CENTER PA	SALISBURY	21C0001060	1811059306
PENINSULA WOMENS CENTER LLC	SALISBURY	21C0001576	1790167740
PG COUNTY ENDOSCOPY CENTER LLC	RIVERDALE	21C0001662	1629713730
PICCARD SURGERY CENTER LLC	ROCKVILLE	21C0001508	1023349909
PINEY ORCHARD SURGERY CENTER LLC	ODENTON	21C0001185	1780618801
PLASTIC SURGERY SPECIALISTS PC	ANNAPOLIS	21C0001026	1538109384
PLASTIC SURGERY SPECIALISTS PC	SEVERNA PARK	21C0001056	1538109384
PLAZA AMBULATORY SURGERY CENTER	BALTIMORE	21C0001175	1194778167
PODIATRY ASSOCIATES ASC LLC	BALTIMORE	21C0001013	1346308962
PODIATRY ASSOCIATES ASC LLC	BEL AIR	21C0001017	1346308962
PODIATRY ASSOCIATES ASC LLC	BALTIMORE	21C0001015	1346308962
PODIATRY ASSOCIATES ASC LLC	COLUMBIA	21C0001014	1346308962
PODIATRY GROUP OF ANNAPOLIS AMBULATORY SURGICAL CENTER	ANNAPOLIS	21C0001134	1285736207
POINT OF ROCKS SURGERY CENTER LLC	POINT OF ROCKS	21C0001568	1114302353
POOLE ENDOSCOPY CENTER LLC	WESTMINSTER	21C0001191	1124443809
POTOMAC UROLOGY SURGERY CENTER LLC	OXON HILL	21C0001660	1629659800
POTOMAC VIEW SURGERY CENTER LLC	OXON HILL	21C0001566	1568867075
PRINCE FREDERICK SURGERY CENTER LLC	PRINCE FREDERICK	21C0001502	1366684326
PRINCE GEORGES MULTI SPECIALTY SURGERY CENTER	LANDOVER	21C0001073	1871718270
PRIVATE SURGICAL SUITE	CHEVY CHASE	21C0001291	1073644399
RIVA ROAD SURGICAL CENTER LLC	ANNAPOLIS	21C0001449	1902959190
RIVERSIDE AMBULATORY SURGERY CENTER LLC	SALISBURY	21C0001077	1356311419
ROCKVILLE AMBULATORY SURGERY LP	ROCKVILLE	21C0001254	1225128424
ROCKVILLE EYE SURGERY CENTER LLC	BETHESDA	21C0001406	1336255827
ROCKVILLE SURGICAL SUITES LLC	ROCKVILLE	21C0001610	1336635747
RUXTON SURGICENTER LLC	TOWSON	21C0001273	1841347143
SEIDENBERG PROTZKO SURGERY CENTER LLC	ABERDEEN	21C0001432	1922055235
SILVER SPRING OPHTHALMOLOGY LLC	SILVER SPRING	21C0001177	1003853136
SIMCARE ASC LLC	MOUNT AIRY	21C0001534	1538427943
SKIN CANCER TREATMENT CENTER LLC	CHEVY CHASE	21C0001469	1770753998
SMART PAIN SURGERY CENTER AT OWINGS MILLS LLC	OWINGS MILLS	21C0001555	1457784852
SMART PAIN SURGERY CENTER AT WHITE MARSH	NOTTINGHAM	21C0001588	1164877684
SNOWDEN RIVER SURGERY CENTER LLC	ELLICOTT CITY	21C0001416	1447258603
SOUTH BALTIMORE COUNTY ASC LBN KAISER FOUNDATION HEALTH PLAN OF THE MID ATLANTIC STATES, INC	HALETHORPE	21C0001560	1942546486
SOUTHERN MARYLAND ENDOSCOPY CENTER LLC	CLINTON	21C0001345	1770551517
ST AGNES HEALTHCARE INC	CATONSVILLE	21C0001300	1720227176
SUMMIT AMBULATORY SURGERY CENTER	COLUMBIA	21C0001142	1912434697
SUMMIT AMBULATORY SURGICAL CENTER	GERMANTOWN	21C0001611	1134613979
SUMMIT AMBULATORY SURGICAL CENTER LLC	BALTIMORE	21C0001152	1992992994
SUMMIT AMBULATORY SURGICAL CENTER LLC	BEL AIR	21C0001496	1538390539
SUMMIT AMBULATORY SURGICAL CENTER LLC	OWINGS MILLS	21C0001190	1588610190
SUMMIT AMBULATORY SURGICAL CENTER LLC	ROCKVILLE	21C0001082	1649707324
SUMMIT AMBULATORY SURGICAL CENTER LLC	BRANDYWINE	21C0001467	1659793040
SUMMIT AMBULATORY SURGICAL CENTER LLC	BRANDYWINE	21C0001580	1659793040
SUMMIT AMBULATORY SURGICAL CENTER LLC	OWINGS MILLS	21C0001445	1295923670
SUMMIT AMBULATORY SURGICAL CENTER LLC	ANNAPOLIS	21C0001632	1215548524
SUMMIT AMBULATORY SURGICAL CENTER LLC	BALTIMORE	21C0001168	1205023280
SUMMIT AMBULATORY SURGICAL CENTER LLC	BALTIMORE	21C0001247	1194913574
SUMMIT AMBULATORY SURGICAL CENTER LLC	SALISBURY	21C0001421	1184125809
SUMMIT AMBULATORY SURGICAL CENTER LLC	HANOVER	21C0001587	1891148219
SUMMIT AMBULATORY SURGICAL CENTER LLC	WESTMINSTER	21C0001461	1114196151
SUMMIT AMBULATORY SURGICAL CENTER LLC	SILVER SPRING	21C0001362	1972886190
SUMMIT AMBULATORY SURGICAL CENTER LLC	BALTIMORE	21C0001297	1518154517
SURGCENTER OF BEL AIR	BEL AIR	21C0001483	1912158684
SURGCENTER OF GLEN BURNIE LLC	GLEN BURNIE	21C0001476	1942472931
SURGCENTER OF GREENBELT LLC	GREENBELT	21C0001510	1932430816
SURGCENTER OF NORTHERN BALTIMORE LLC	HUNT VALLEY	21C0001612	1184106049
SURGCENTER OF SILVER SPRING LLC	SILVER SPRING	21C0001531	1962788059
SURGCENTER OF SOUTHERN MARYLAND	CLINTON	21C0001494	1396919783
SURGCENTER OF THE POTOMAC LLC	BETHESDA	21C0001575	1659748184
SURGCENTER OF WESTERN MARYLAND LLC	CUMBERLAND	21C0001521	1699054098
SURGCENTER OF WHITE MARSH LLC	BALTIMORE	21C0001519	1962714154
SURGERY CENTER OF ANNAPOLIS	ANNAPOLIS	21C0001532	1235416959
SURGERY CENTER OF CHEVY CHASE	CHEVY CHASE	21C0001281	1942264619
SURGERY CENTER OF EASTON LP	EASTON	21C0001236	1093786501
SURGERY CENTER OF POTOMAC	ROCKVILLE	21C0001404	1710079470
SURGICAL SPECIALTY CENTER OF MID ATLANTIC LLC	BETHESDA	21C0001562	1659772648
SURGICAL SPECIALTY SUITES INC	LUTHERVILLE	21C0001361	1376657890
SURGICENTER OF BALTIMORE LLC	OWINGS MILLS	21C0001045	1447254172
THE ASC AT WAUGH CHAPEL	GAMBRILLS	21C0001512	1386885556
THE CENTER FOR AESTHETIC SURGERY LLC	SALISBURY	21C0001007	1487609335
THE ENDOSCOPY CENTER AT BEL AIR	BEL AIR	21C0001366	1265455463
THE EYE SURGERY CENTER LLC	SILVER SPRING	21C0001139	1396983847
THE FRIENDSHIP AMBULATORY SURGERY CENTER	CHEVY CHASE	21C0001131	1215967351
THE MARYLAND CENTER FOR DIGESTIVE HEALTH LLC	ANNAPOLIS	21C0001065	1952333882
THE SURGICAL CENTER OF GREATER ANNAPOLIS INC	ARNOLD	21C0001029	1831153527
THE WESTMINSTER ENDOSCOPY ASC LLC DBA ENDOCENTRE OF WESTMINSTER	WESTMINSTER	21C0001680	1023892411
THOMAS JOHNSON SURGERY CENTER	FREDERICK	21C0001465	1679757959
TIMONIUM SURGERY CENTER LLC	TIMONIUM	21C0001498	1295060069
TOTAL FOOT CARE SURGERY CENTER	GREENBELT	21C0001075	1194944926
TOWSON SURGICAL CENTER LLC	TOWSON	21C0001186	1699711382
UM SHORE REGIONAL HEALTH SURGERY CENTER AT CAMBRIDGE LLC	CAMBRIDGE	21C0001651	1285213009
UMM SHORE SURGERY CENTERS	EASTON	21C0001503	1649501073
UNIVERSITY OF MARYLAND MEDICINE ASC LLC	COLUMBIA	21C0001577	1043684129
UNIVERSITY OF MARYLAND UROLOGICAL SURGERY CENTER	BALTIMORE	21C0001298	1083624225
UPPER BAY SURGERY CENTER LLC	ELKTON	21C0001466	1215116611
URBANA GI ENDOSCOPY CENTER LLC	IJAMSVILLE	21C0001460	1821115700
UROLOGICAL INSTITUTE OF MARYLAND LLC	TIMONIUM	21C0001645	1316536352
VSA SURGERY CENTER OF LUTHERVILLE DBA VSA SURGERY CENTER LLC	TIMONIUM	21C0001614	1194239996
WALDORF ENDOSCOPY CENTER	WALDORF	21C0001062	1003889379
WEST ANNAPOLIS SURGERY CENTER LLC	ANNAPOLIS	21C0001582	1467844068
WESTMINSTER SURGERY CENTER	WESTMINSTER	21C0001477	1871751859
WHITE FLINT SURGERY LLC	ROCKVILLE	21C0001317	1366511057
WHITE MARSH FOOT AND ANKLE SURGERY CENTER LLC	WHITE MARSH	21C0001393	1144221375

← All states