Updated October 2026

Largest anesthesia and pain groups in Maryland

Medical group directory
Maryland
Anesthesia and pain

Groups: 100
Anesthesiology groups: 43
Nurse Anesthetist, Certified Registered groups: 42
Anesthesiologists: 343
Nurse anesthetist, certified registered specialists: 630

There are 100 anesthesia and pain groups in Maryland with a Medicare PAC ID: 43 anesthesiology, 42 nurse anesthetist, certified registered and 14 pain medicine. Anesthesia Company, LLC is the largest anesthesiology group, with 249 anesthesiologists, and US Anesthesia Partners the largest nurse anesthetist, certified registered group, with 307 nurse anesthetist, certified registered specialists.

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Anesthesia Company, LLC is the largest anesthesia and pain group in Maryland, with 251 physicians

Ranked by physicians with a Maryland address linked to each group. US Anesthesia Partners is second with 224, and R Adams Cowley Shock Trauma Center at the University of Maryland third with 180. 4 Maryland groups have 100 or more physicians.

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Anesthesia and pain groups in Maryland, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Anesthesia Company, LLCAnnapolis · 61 sites	Parent on file	251	431	Decision makers
2	US Anesthesia PartnersColumbia · 77 sites	Parent on file	224	533	Decision makers
3	R Adams Cowley Shock Trauma Center at the University of MarylandBaltimore · 17 sites	Parent on file	180	419	Decision makers
4	North American Partners in Anesthesia (NAPA)Prince Frederick · 45 sites	Parent on file	138	377	Decision makers
5	University of MD Anesthesiology Associates PABaltimore · 16 sites	Parent on file	96	223	Decision makers
6	North Calvert Anesthesiology ServicesBaltimore · 15 sites	-	40	86	Decision makers
7	Clearway Pain SolutionsAnnapolis · 41 sites	Parent on file	38	86	Decision makers
8	LifeLinc AnesthesiaRandallstown · 9 sites	Parent on file	37	126	Decision makers
9	Potomac Anesthesia AssociatesBurtonsville · 8 sites	-	35	59	Decision makers
10	GBMC HealthCareBaltimore · 11 sites	Parent on file	34	61	Decision makers
11	Capital Care Anesthesia CentersCrownsville · 17 sites	Parent on file	24	49	Decision makers
12	Woodholme Gastroenterology AssociatesPikesville · 12 sites	-	23	99	Decision makers
13	Digestive Disease AssociatesCatonsville · 10 sites	Parent on file	21	90	Decision makers
14	Gastro Center of MarylandColumbia · 10 sites	Parent on file	21	78	Decision makers
15	Capitol Anesthesia AssociatesGermantown · 10 sites	Parent on file	21	33	Decision makers
16	Tidewater Anesthesia AssociatesEaston · 6 sites	Parent on file	20	37	Decision makers
17	Comfort Sedation LLCRockville · 7 sites	-	20	32	Decision makers
18	Global Anesthesia ServicesBel Air · 5 sites	-	18	37	Decision makers
19	SurgCenter of Glen BurnieGlen Burnie · 3 sites	Parent on file	15	24	Decision makers
20	NorthriumClinton · 5 sites	Parent on file	12	18	Decision makers
21	Capital Anesthesia PartnersChevy Chase · 13 sites	-	11	62	Decision makers
22	Pain and Spine Specialists of MarylandMount Airy · 21 sites	Parent on file	11	31	Decision makers
23	Carroll County Anesthesia AssociatesWestminster · 4 sites	Parent on file	10	22	Decision makers
24	Gastro AssociatesGlen Burnie · 4 sites	-	9	20	Decision makers
25	Clearway Pain SolutionsAnnapolis · 4 sites	Parent on file	9	13	Decision makers
26	Charm City AnesthesiaBethesda · 2 sites	-	9	9	Decision makers
27	Bestgate Anesthesia LLCAnnapolis · 6 sites	-	8	38	Decision makers
28	Complete Pain Care of MDAbingdon · 5 sites	-	7	23	Decision makers
29	Western Maryland Anesthesia AssociatesFrederick · 4 sites	Parent on file	7	21	Decision makers
30	RelievusAnnapolis · 22 sites	Parent on file	7	18	Decision makers
31	Xenon HealthOwings Mills · 2 sites	Parent on file	7	7	Decision makers
32	Montgomery Anesthesia Care, LLCRockville · 8 sites	-	6	43	Decision makers
33	Advanced Spine and Pain CentersBel Air · 10 sites	-	6	8	Decision makers
34	Capital Children's Surgery CenterUpper Marlboro · 2 sites	Parent on file	6	8	Decision makers
35	Upper Bay Surgery CenterElkton · 1 site	Parent on file	6	8	Decision makers
36	Waldorf Anesthesia ServicesWaldorf · 1 site	-	6	8	Decision makers
37	CHOICE Pain & Rehabilitation CenterGreenbelt · 11 sites	-	5	25	Decision makers
38	Greenbelt Anesthesia AssociatesLanham · 2 sites	Parent on file	5	20	Decision makers
39	Bel Air SedationBel Air · 3 sites	-	5	15	Decision makers
40	Anesthesia DynamicsHagerstown · 3 sites	Parent on file	5	5	Decision makers
41	Georgetown Pain ManagementGreenbelt · 1 site	-	4	13	Decision makers
42	Elite Spine & PainFrederick · 4 sites	-	4	9	Decision makers
43	University of Maryland St. Joseph Pain SpecialistsTowson · 1 site	Parent on file	4	8	Decision makers
44	Northern Baltimore Surgery CenterTowson · 2 sites	Parent on file	4	4	Decision makers
45	UM St. Joseph Medical GroupTowson · 14 sites	Parent on file	3	124	Decision makers
46	Potomac Anesthesia AssociatesRockville · 8 sites	-	3	27	Decision makers
47	Greater Maryland Pain ManagementOdenton · 8 sites	-	3	13	Decision makers
48	Pain Management Associates LLCGreenbelt · 1 site	-	3	13	Decision makers
49	Metro Spine Pain CentersOxon Hill · 3 sites	-	3	11	Decision makers
50	Global Pain ManagementPasadena · 2 sites	-	3	10	Decision makers

Showing 1 to 10 of 100 anesthesia and pain groups in Maryland

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Anesthesia Company, LLC is the largest anesthesiology group in Maryland, with 249 anesthesiologists

Ranked by anesthesiologists with a Maryland address linked to each group whose main sub-specialty is anesthesiology. Potomac Anesthesia Associates is second with 34, and GBMC HealthCare third with 33.

Largest anesthesiology groups in Maryland
#	Medical group	Parent organization	Anesthesiologists	HCPs
1	Anesthesia Company, LLCAnnapolis · 61 sites	Parent on file	249	431
2	Potomac Anesthesia AssociatesBurtonsville · 8 sites	-	34	59
3	GBMC HealthCareBaltimore · 11 sites	Parent on file	33	61
4	Capitol Anesthesia AssociatesGermantown · 10 sites	Parent on file	21	33
5	Tidewater Anesthesia AssociatesEaston · 6 sites	Parent on file	20	37
6	Comfort Sedation LLCRockville · 7 sites	-	20	32
7	SurgCenter of Glen BurnieGlen Burnie · 3 sites	Parent on file	15	24
8	NorthriumClinton · 5 sites	Parent on file	12	18
9	Charm City AnesthesiaBethesda · 2 sites	-	9	9
10	Xenon HealthOwings Mills · 2 sites	Parent on file	7	7

Top 10 of 43 Maryland anesthesiology groups

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

US Anesthesia Partners is the largest nurse anesthetist, certified registered group in Maryland, with 307 nurse anesthetist, certified registered specialists

Ranked by nurse anesthetist, certified registered specialists with a Maryland address linked to each group whose main sub-specialty is nurse anesthetist, certified registered. North American Partners in Anesthesia (NAPA) is second with 237, and UM St. Joseph Medical Group third with 116.

Largest nurse anesthetist, certified registered groups in Maryland
#	Medical group	Parent organization	Nurse anesthetist, certified registered specialists	HCPs
1	US Anesthesia PartnersColumbia · 77 sites	Parent on file	307	533
2	North American Partners in Anesthesia (NAPA)Prince Frederick · 45 sites	Parent on file	237	377
3	UM St. Joseph Medical GroupTowson · 14 sites	Parent on file	116	124
4	University of MD Anesthesiology Associates PABaltimore · 16 sites	Parent on file	113	223
5	LifeLinc AnesthesiaRandallstown · 9 sites	Parent on file	81	126
6	Digestive Disease AssociatesCatonsville · 10 sites	Parent on file	62	90
7	Gastro Center of MarylandColumbia · 10 sites	Parent on file	57	78
8	R Adams Cowley Shock Trauma Center at the University of MarylandBaltimore · 17 sites	Parent on file	57	419
9	Woodholme Gastroenterology AssociatesPikesville · 12 sites	-	54	99
10	Capital Anesthesia PartnersChevy Chase · 13 sites	-	51	62

Top 10 of 42 Maryland nurse anesthetist, certified registered groups

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Gonzaga Interventional Pain Management and Elite Spine & Pain have the most pain medicine specialists of any Maryland pain medicine group, with 2 each

Ranked by pain medicine specialists with a Maryland address linked to each group whose main sub-specialty is pain medicine. Global Pain Management is third with 1.

Largest pain medicine groups in Maryland
#	Medical group	Parent organization	Pain medicine specialists	HCPs
1	Gonzaga Interventional Pain ManagementLavale · 2 sites	-	2	5
2	Elite Spine & PainFrederick · 4 sites	-	2	9
3	Global Pain ManagementPasadena · 2 sites	-	1	10
4	Greater Maryland Pain ManagementOdenton · 8 sites	-	1	13
5	RelievusAnnapolis · 22 sites	Parent on file	1	18
6	Capitol Pain & Wellness CenterGreenbelt · 1 site	-	1	2
7	Vein Treatment ClinicBethesda · 3 sites	Parent on file	1	2

Top 7 of 14 Maryland pain medicine groups

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

University of Maryland Medical System has the most physicians in Maryland anesthesia and pain groups, with 268 across 4 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 5 parent organizations have two or more Maryland anesthesia and pain groups. Each clinician counts once per parent organization.

Parent organizations with the most Maryland anesthesia and pain groups
#	Parent organization	Maryland groups	Physicians	HCPs
1	University of Maryland Medical SystemHealth system	4	268	632
2	Clearway Pain SolutionsPhysician practice platform	3	46	109
3	Tenet HealthcareHealth system	2	21	32
4	Well Health TechnologiesPhysician practice platform	2	7	22
5	Ascension Health AllianceHealth system	2	-	40

Parent organizations with two or more Maryland groups

University of Maryland Medical SystemHealth system · 4 Maryland anesthesia and pain groups
R Adams Cowley Shock Trauma Center at the University of MarylandMulti-specialty group · Baltimore
University of MD Anesthesiology Associates PAMedical group · Baltimore
2 more Maryland groups and their practice sites

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Source: Dmand AI Org Hierarchy Data

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60% of Maryland anesthesia and pain groups are independent, with no larger parent organization

A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.

Maryland anesthesia and pain groups by ownership

Independent6060%
Health system or hospital1010%
Platform or corporate owner2626%
Other organization44%

Sites of care beyond their own offices

Practice at a surgery center46

Practice at a hospital42

Practice at a rehab center1

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Source: Dmand AI Org Hierarchy Data

46 Maryland anesthesia and pain groups practice at a surgery center site, and 42 at a hospital

Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.

Maryland anesthesia and pain groups by site of care

Ambulatory surgery centers4646%
Hospitals4242%
Therapy and rehab centers11%
Hospices11%
Dialysis centers11%
Behavioral health facilities11%

Clinicians in Maryland anesthesia and pain groups

Anesthesiologists343

Nurse anesthetist, certified registered specialists630

Pain medicine specialists8

All HCPs2,187

Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data

Annapolis has the most anesthesia and pain groups in Maryland, with 7

7anesthesia and pain groups in Annapolis

6anesthesia and pain groups in Frederick

5anesthesia and pain groups in Baltimore

5anesthesia and pain groups in Bel Air

5anesthesia and pain groups in Greenbelt

5anesthesia and pain groups in Rockville

More Maryland cities with anesthesia and pain groups

Towson4
Bethesda3
Bowie3
Easton3
Elkton3
Westminster3
Clinton2
Columbia2
Fulton2
Glen Burnie2
Lanham2
Oxon Hill2
Prince Frederick2
Waldorf2
Aberdeen1

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Maryland anesthesia and pain group profile shows the parent, sites, clinicians and identifiers

Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
Parent organizationThe health system, platform or owner above the groupOn every profile
Every clinician and siteThe full roster and every practice locationWith a free account
Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account

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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data

Sources for the Maryland anesthesia and pain group list

Sources for the data on this page
Data on this page	Source
Medical groups, specialties and sites	Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data
Parent organizations and independence	Dmand AI Org Hierarchy Data
Physicians and HCPs	Dmand AI Affiliation Data
Group NPI and PAC ID	NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS)

Data last refreshed October 2026Report an inaccuracy Remove my information

Groups whose main specialty is anesthesia and pain and that have a Medicare PAC ID.

FAQ

Frequently asked questions about anesthesia and pain groups in Maryland

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What is the largest anesthesiology group in Maryland?

Anesthesia Company, LLC, based in Annapolis, with 249 anesthesiologists and 431 HCPs. Potomac Anesthesia Associates is second with 34.

What is the largest nurse anesthetist, certified registered group in Maryland?

US Anesthesia Partners, based in Columbia, with 307 nurse anesthetist, certified registered specialists and 533 HCPs. North American Partners in Anesthesia (NAPA) is second with 237.

How many anesthesia and pain groups are in Maryland?

There are 100 anesthesia and pain groups in Maryland with a Medicare PAC ID: 43 anesthesiology, 42 nurse anesthetist, certified registered and 14 pain medicine. Between them they have 343 anesthesiologists, 630 nurse anesthetist, certified registered specialists and 8 pain medicine specialists.

Which companies own the most anesthesia and pain groups?

By physicians, University of Maryland Medical System, with 268 across 4 groups, followed by Clearway Pain Solutions with 46 and Tenet Healthcare with 21.

How many Maryland anesthesia and pain groups are independent?

60, or 60%, have no larger parent organization in the Dmand AI org hierarchy. 10 belong to a health system or hospital and 26 to a physician platform or corporate owner.

Why are anesthesia and pain listed together?

They share one specialty category in the Dmand AI medical group data. This page also ranks each sub-specialty on its own, by its own specialists.

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