Updated October 2026

Medical groups in Columbia, MD

Medical group directory
Columbia, Maryland

Medical groups: 88
Multi-specialty: 18
Single-specialty: 70
More than one site: 50
100+ physicians: 1

There are 88 medical groups in Columbia with a Medicare PAC ID. US Anesthesia Partners is the largest, with 224 Maryland physicians, followed by Maryland Oncology Hematology with 63. 67% of Columbia groups are independent.

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US Anesthesia Partners is the largest medical group in Columbia, with 224 physicians

Ranked by physicians with a Maryland address linked to each group based in Columbia. Maryland Oncology Hematology is second with 63, and Ascension Saint Agnes OB/GYN Columbia third with 59. 1 Columbia group has 100 or more physicians.

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Medical groups in Columbia, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	US Anesthesia PartnersColumbia · 77 sites	Parent on file	224	533	Decision makers
2	Maryland Oncology HematologyColumbia · 23 sites	-	63	106	Decision makers
3	Ascension Saint Agnes OB/GYN ColumbiaColumbia · 17 sites	Parent on file	59	100	Decision makers
4	University of Maryland Faculty Physicians Immediate CareColumbia · 6 sites	Parent on file	34	56	Decision makers
5	University of Maryland Department of NeurosurgeryColumbia · 9 sites	Parent on file	25	32	Decision makers
6	Gastro Center of MarylandColumbia · 3 sites	Parent on file	23	33	Decision makers
7	Gastro Center of MarylandColumbia · 10 sites	Parent on file	21	78	Decision makers
8	HealthDriveColumbia · 5 sites	Parent on file	16	31	Decision makers
9	University of Maryland DermatologyColumbia · 6 sites	Parent on file	16	22	Decision makers
10	Sheppard Pratt at Howard CountyColumbia · 15 sites	Parent on file	15	134	Decision makers
11	Centennial Medical GroupColumbia · 10 sites	-	15	55	Decision makers
12	Columbia Medical PracticeColumbia · 3 sites	-	15	29	Decision makers
13	Star Choice HealthColumbia · 3 sites	Parent on file	11	18	Decision makers
14	FirstCall Medical CenterColumbia · 9 sites	-	10	48	Decision makers
15	Maryland EndocrineColumbia · 3 sites	-	10	12	Decision makers
16	CounterPoint Health ServicesColumbia · 6 sites	-	8	97	Decision makers
17	Arthritis Care Specialists of MarylandColumbia · 2 sites	-	6	7	Decision makers
18	Neuromonitoring Associates (NMA)Columbia · 36 sites	Parent on file	6	6	Decision makers
19	Charter RadiologyColumbia · 3 sites	-	5	5	Decision makers
20	Gastro Center of MarylandColumbia · 2 sites	Parent on file	5	5	Decision makers
21	Allergy & Asthma Center of Central MarylandColumbia · 3 sites	-	4	7	Decision makers
22	Summit Medical GroupColumbia · 2 sites	-	4	6	Decision makers
23	Provider PartnersColumbia · 35 sites	-	3	40	Decision makers
24	EC Primary Care PhysiciansColumbia · 2 sites	-	3	4	Decision makers
25	Howard County Center for Lung and Sleep MedicineColumbia · 6 sites	-	3	4	Decision makers
26	Crossroads Psychological AssociatesColumbia · 2 sites	-	2	10	Decision makers
27	Premier Health Express Urgent CareColumbia · 2 sites	Parent on file	2	4	Decision makers
28	Medical & Aesthetic DermatologyColumbia · 3 sites	-	2	3	Decision makers
29	Nava Health and Vitality CenterColumbia · 3 sites	Parent on file	2	3	Decision makers
30	ISIM IncColumbia · 1 site	-	2	2	Decision makers
31	Patient Care MDColumbia · 1 site	-	2	2	Decision makers
32	Visionary Women's HealthColumbia · 1 site	-	2	2	Decision makers
33	Personal Physician CareColumbia · 3 sites	-	1	13	Decision makers
34	Joshi & MerchantColumbia · 2 sites	-	1	11	Decision makers
35	Synergy StriveColumbia · 2 sites	-	1	6	Decision makers
36	Columbia Aesthetic Plastic SurgeryColumbia · 1 site	-	1	4	Decision makers
37	Dabbs Rehab Center of MarylandColumbia · 1 site	-	1	3	Decision makers
38	Goel Vision ColumbiaColumbia · 1 site	-	1	3	Decision makers
39	Health First Medical CareColumbia · 3 sites	-	1	3	Decision makers
40	NewPsychColumbia · 1 site	-	1	3	Decision makers
41	Buckner Vein and AestheticsColumbia · 1 site	-	1	2	Decision makers
42	Family Health & Beauty CenterColumbia · 1 site	-	1	2	Decision makers
43	Glaucoma Plus Eye CareColumbia · 2 sites	-	1	2	Decision makers
44	United Care TeamColumbia · 4 sites	Parent on file	1	2	Decision makers
45	AbsoluteCareColumbia · 2 sites	Parent on file	1	1	Decision makers
46	AbsoluteCareColumbia · 2 sites	Parent on file	1	1	Decision makers
47	New Hope Primary CareColumbia · 1 site	-	1	1	Decision makers
48	Pacific Neuromonitoring AssociatesColumbia · 4 sites	Parent on file	1	1	Decision makers
49	Congruent Counseling ServicesColumbia · 1 site	-	-	47	Decision makers
50	4 Oaks Physical TherapyColumbia · 7 sites	Parent on file	-	21	Decision makers

Showing 1 to 10 of 88 medical groups in Columbia

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

Gastro Center of Maryland has the most physicians in Columbia medical groups, with 44 across 3 groups

Dmand AI maps every Columbia medical group to its parent organization, up to the health system or platform at the top. 3 parent organizations have two or more Columbia medical groups. Among health systems, University of Maryland, Baltimore Umb has the most groups, 2. Each clinician counts once per parent organization.

Parent organizations with the most Columbia medical groups
#	Parent organization	Columbia groups	Physicians	HCPs
1	Gastro Center of MarylandPhysician practice platform	3	44	111
2	University of Maryland, Baltimore UmbAcademic health system	2	41	54
3	AbsolutecarePhysician practice platform	3	1	1

Parent organizations with two or more Columbia groups

Gastro Center of MarylandPhysician practice platform · 3 Columbia medical groups
Gastro Center of MarylandMulti-specialty group · 3 sites
Gastro Center of MarylandMedical group · 10 sites
1 more Columbia groups and their practice sites

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Source: Dmand AI Org Hierarchy Data

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Dmand AI maps the owners, administrators and physician leaders at each of the 88 Columbia medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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67% of Columbia 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.

Columbia medical groups by ownership

Independent5967%
Health system or hospital56%
Platform or corporate owner1517%
Community or government22%
Other organization78%

Source: Dmand AI Org Hierarchy Data

12 Columbia 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 Columbia, with 38

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 16, and 18 Columbia groups are multi-specialty.

Source: Dmand AI Professional Profile Data

1,681 Maryland HCPs work in Columbia medical groups, 609 of them physicians

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

HCPs in Columbia medical groups by type

Nurses and nurse practitioners66440%
Physicians (MD, DO)60936%
Behavioral health clinicians23414%
Therapists (PT and OT)634%
Physician assistants573%
Other HCPs543%

Source: Dmand AI Affiliation Data

Each Columbia 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 Columbia 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 Columbia with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in Columbia

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 Columbia?

There are 88 medical groups based in Columbia with a Medicare PAC ID: 18 multi-specialty and 70 single-specialty. 50 of them have more than one site.

What is the largest medical group in Columbia?

US Anesthesia Partners, with 224 physicians and 533 HCPs with a Maryland address. Maryland Oncology Hematology is second with 63, and Ascension Saint Agnes OB/GYN Columbia is third with 59.

Which health system has the most medical groups in Columbia?

By physicians, Gastro Center of Maryland, with 44 across 3 groups, followed by University of Maryland, Baltimore Umb with 41 and Absolutecare with 1.

How many Columbia medical groups are independent?

59, or 67%, have no larger parent organization in the Dmand AI org hierarchy. 5 belong to a health system or hospital and 15 to a physician platform or corporate owner.

How many Columbia medical groups practice at a hospital?

12 Columbia 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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