Updated October 2026

Medical groups in Baltimore, MD

Medical group directory
Baltimore, Maryland

Medical groups: 305
Multi-specialty: 61
Single-specialty: 244
More than one site: 141
100+ physicians: 13

There are 305 medical groups in Baltimore with a Medicare PAC ID. Johns Hopkins University is the largest, with 2,516 Maryland physicians, followed by Johns Hopkins Medicine with 481. 57% of Baltimore groups are independent.

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Johns Hopkins University is the largest medical group in Baltimore, with 2,516 physicians

Ranked by physicians with a Maryland address linked to each group based in Baltimore. Johns Hopkins Medicine is second with 481, and Sinai Rehab Pain Medicine Associates third with 452. 13 Baltimore groups have 100 or more physicians.

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Medical groups in Baltimore, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Johns Hopkins UniversityBaltimore · 217 sites	Parent on file	2,516	3,680	Decision makers
2	Johns Hopkins MedicineBaltimore · 75 sites	Parent on file	481	692	Decision makers
3	Sinai Rehab Pain Medicine AssociatesBaltimore · 48 sites	Parent on file	452	734	Decision makers
4	University of Maryland Medical Center Gastroenterology and HepatologyBaltimore · 43 sites	Parent on file	385	560	Decision makers
5	Greater Baltimore Medical Center (GBMC)Baltimore · 47 sites	Parent on file	305	530	Decision makers
6	Mercy Personal Physicians DowntownBaltimore · 86 sites	Parent on file	257	472	Decision makers
7	R Adams Cowley Shock Trauma Center at the University of MarylandBaltimore · 17 sites	Parent on file	180	419	Decision makers
8	Baltimore Medical SystemBaltimore · 23 sites	Parent on file	142	219	Decision makers
9	Kennedy Krieger InstituteBaltimore · 21 sites	Parent on file	141	321	Decision makers
10	Mercy Family Care PhysiciansBaltimore · 31 sites	Parent on file	140	308	Decision makers
11	University of Maryland Emergency MedicineBaltimore · 6 sites	Parent on file	123	194	Decision makers
12	University of Maryland Pediatric AssociatesBaltimore · 14 sites	Parent on file	112	169	Decision makers
13	Johns Hopkins MedicineBaltimore · 15 sites	Parent on file	110	123	Decision makers
14	University of MD Anesthesiology Associates PABaltimore · 16 sites	Parent on file	96	223	Decision makers
15	University of Maryland Surgical CareBaltimore · 17 sites	Parent on file	88	169	Decision makers
16	University of Maryland Diagnostic Imaging SpecialistsBaltimore · 48 sites	Parent on file	83	84	Decision makers
17	Sheppard PrattBaltimore · 6 sites	Parent on file	81	178	Decision makers
18	University of Maryland Psychiatry Associates, P.A.Baltimore · 6 sites	Parent on file	80	87	Decision makers
19	University Imaging CenterBaltimore · 8 sites	Parent on file	70	71	Decision makers
20	Mercy Personal Physicians DowntownBaltimore · 10 sites	Parent on file	53	100	Decision makers
21	University of Maryland Urgent CareBaltimore · 4 sites	Parent on file	47	95	Decision makers
22	University of Maryland Neurology Associates, P.A.Baltimore · 8 sites	Parent on file	47	69	Decision makers
23	Chase Brexton Health CareBaltimore · 9 sites	Parent on file	46	200	Decision makers
24	University of Maryland Medical Center Midtown CampusBaltimore · 7 sites	Parent on file	43	123	Decision makers
25	University of Maryland Family & Community Medicine at Paca StreetBaltimore · 6 sites	Parent on file	43	67	Decision makers
26	Mid-Atlantic Nephrology AssociatesBaltimore · 12 sites	-	43	64	Decision makers
27	North Calvert Anesthesiology ServicesBaltimore · 15 sites	-	40	86	Decision makers
28	UM Obstetrical and Gynecological Associates, PABaltimore · 5 sites	Parent on file	40	71	Decision makers
29	University of Maryland Orthopaedic Trauma AssociatesBaltimore · 7 sites	Parent on file	40	47	Decision makers
30	University of Maryland OrthopaedicsBaltimore · 12 sites	Parent on file	38	86	Decision makers
31	Mt. Washington Pediatric HospitalBaltimore · 4 sites	Parent on file	36	52	Decision makers
32	Grace Medical CenterBaltimore · 7 sites	Parent on file	35	57	Decision makers
33	GBMC HealthCareBaltimore · 11 sites	Parent on file	34	61	Decision makers
34	University of Maryland Eye AssociatesBaltimore · 21 sites	Parent on file	34	42	Decision makers
35	University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center (UMGCCC)Baltimore · 14 sites	Parent on file	32	92	Decision makers
36	University of Maryland Radiation Oncology AssociatesBaltimore · 12 sites	Parent on file	30	40	Decision makers
37	University of Maryland Pathology Associates, P.A.Baltimore · 5 sites	Parent on file	29	29	Decision makers
38	Total Health Care, Inc.Baltimore · 12 sites	Parent on file	28	100	Decision makers
39	Post-Acute Physician PartnersBaltimore · 10 sites	Parent on file	19	45	Decision makers
40	Univ Of Maryland Otorhinolaryngology Head & Neck Surgery PaBaltimore · 15 sites	Parent on file	19	29	Decision makers
41	Saluja Medical AssociatesBaltimore · 5 sites	-	18	26	Decision makers
42	AlignMed PartnersBaltimore · 74 sites	Parent on file	14	46	Decision makers
43	JAI Medical CenterBaltimore · 4 sites	-	14	30	Decision makers
44	M Medical GroupBaltimore · 21 sites	Parent on file	13	20	Decision makers
45	Nephrology Center of MarylandBaltimore · 4 sites	-	13	18	Decision makers
46	Symphony Medical Associates PABaltimore · 3 sites	-	12	17	Decision makers
47	Brain Spine Institute Neurology - Suite 200Baltimore · 11 sites	Parent on file	10	78	Decision makers
48	Health Care for the HomelessBaltimore · 3 sites	Parent on file	9	32	Decision makers
49	JAI Medical CenterBaltimore · 2 sites	-	9	21	Decision makers
50	Mace MedicalBaltimore · 2 sites	-	9	19	Decision makers

Showing 1 to 10 of 305 medical groups in Baltimore

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

University of Maryland Medical System has the most physicians in Baltimore medical groups, with 1,225 across 20 groups

Dmand AI maps every Baltimore medical group to its parent organization, up to the health system or platform at the top. 13 parent organizations have two or more Baltimore medical groups. Each clinician counts once per parent organization.

Parent organizations with the most Baltimore medical groups
#	Parent organization	Baltimore groups	Physicians	HCPs
1	University of Maryland Medical SystemHealth system	20	1,225	2,044
2	Johns Hopkins Health SystemAcademic health system	3	517	744
3	LifeBridge HealthHealth system	4	483	823
4	Mercy Medical CenterHealth system	7	422	766
5	GBMC HealthCareHealth system	5	341	594
6	University of Maryland, Baltimore UmbAcademic health system	3	142	229
7	M Medical GroupPhysician staffing company	3	13	21
8	MedStar HealthHealth system	4	7	24
9	ENT PartnersPhysician practice platform	2	7	12
10	Erickson Senior LivingSkilled nursing and senior living	3	4	8

Top 10 of 13 parent organizations with two or more Baltimore groups

University of Maryland Medical SystemHealth system · 20 Baltimore medical groups
University of Maryland Medical Center Gastroenterology and HepatologyMedical group · 43 sites
R Adams Cowley Shock Trauma Center at the University of MarylandMulti-specialty group · 17 sites
18 more Baltimore groups and their practice sites

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Source: Dmand AI Org Hierarchy Data

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57% of Baltimore medical 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.

Baltimore medical groups by ownership

Independent17457%
Health system or hospital5418%
Platform or corporate owner176%
Community or government3210%
Other organization289%

Source: Dmand AI Org Hierarchy Data

65 Baltimore medical groups practice at a hospital site

Beyond their own offices, groups practice at the sites of care linked to them in the org hierarchy. A group can practice at several kinds of site, so the shares overlap.

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

Primary care groups are the most common medical groups in Baltimore, with 120

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 84, and 61 Baltimore groups are multi-specialty.

Source: Dmand AI Professional Profile Data

10,224 Maryland HCPs work in Baltimore medical groups, 5,531 of them physicians

Each clinician is counted once, across every Baltimore group they are linked to. Only clinicians with a Maryland address are counted.

HCPs in Baltimore medical groups by type

Physicians (MD, DO)5,53154%
Nurses and nurse practitioners2,35823%
Behavioral health clinicians8468%
Physician assistants8388%
Therapists (PT and OT)2272%
Other HCPs4244%

Source: Dmand AI Affiliation Data

Each Baltimore medical 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 Baltimore medical group directory

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

The directory lists groups based in Baltimore with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in Baltimore

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many medical groups are in Baltimore?

There are 305 medical groups based in Baltimore with a Medicare PAC ID: 61 multi-specialty and 244 single-specialty. 141 of them have more than one site.

What is the largest medical group in Baltimore?

Johns Hopkins University, with 2,516 physicians and 3,680 HCPs with a Maryland address. Johns Hopkins Medicine is second with 481, and Sinai Rehab Pain Medicine Associates is third with 452.

Which health system has the most medical groups in Baltimore?

By physicians, University of Maryland Medical System, with 1,225 across 20 groups, followed by Johns Hopkins Health System with 517 and LifeBridge Health with 483.

How many Baltimore medical groups are independent?

174, or 57%, have no larger parent organization in the Dmand AI org hierarchy. 54 belong to a health system or hospital and 17 to a physician platform or corporate owner.

How many Baltimore medical groups practice at a hospital?

65 Baltimore groups practice at a hospital site linked to them in the Dmand AI org hierarchy.

How do I find a medical group's NPI or PAC ID?

Each medical group profile lists the group NPI and Medicare PAC ID at the top, with the main address and phone number. The NPI comes from the NPPES NPI Registry and the PAC ID from CMS Medicare enrollment.

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