Updated October 2026

Medical groups in Buffalo, NY

Medical group directory
Buffalo, New York

Medical groups: 85
Multi-specialty: 30
Single-specialty: 55
More than one site: 57
100+ physicians: 8

There are 85 medical groups in Buffalo with a Medicare PAC ID. Kaleida Health is the largest, with 428 New York physicians, followed by Mercy Hospital of Buffalo with 284. 46% of Buffalo groups are independent.

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Kaleida Health is the largest medical group in Buffalo, with 428 physicians

Ranked by physicians with a New York address linked to each group based in Buffalo. Mercy Hospital of Buffalo is second with 284, and Sisters of Charity Hospital third with 280. 8 Buffalo groups have 100 or more physicians.

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Medical groups in Buffalo, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Kaleida HealthBuffalo · 53 sites	Parent on file	428	712	Decision makers
2	Mercy Hospital of BuffaloBuffalo · 31 sites	Parent on file	284	558	Decision makers
3	Sisters of Charity HospitalBuffalo · 52 sites	Parent on file	280	578	Decision makers
4	Erie County Medical Center (ECMC)Buffalo · 24 sites	Parent on file	233	434	Decision makers
5	Trinity MedicalBuffalo · 62 sites	Parent on file	199	376	Decision makers
6	UBMD PediatricsBuffalo · 17 sites	Parent on file	148	196	Decision makers
7	UBMD Emergency MedicineBuffalo · 21 sites	Parent on file	145	300	Decision makers
8	Roswell Park Comprehensive Cancer CenterBuffalo · 21 sites	Parent on file	118	212	Decision makers
9	Great Lakes AnesthesiologyBuffalo · 15 sites	Parent on file	74	137	Decision makers
10	Parkside Medical Anesthesia AssociatesBuffalo · 12 sites	Parent on file	58	93	Decision makers
11	UBMD SurgeryBuffalo · 9 sites	Parent on file	47	57	Decision makers
12	UBMD PsychiatryBuffalo · 4 sites	Parent on file	35	41	Decision makers
13	UBMD NeurologyBuffalo · 11 sites	Parent on file	34	51	Decision makers
14	Anesthesia Medical Consultants PLLCBuffalo · 10 sites	-	33	63	Decision makers
15	Abbott Anesthesiologist Associates PCBuffalo · 5 sites	-	28	31	Decision makers
16	SRA Medical ImagingBuffalo · 34 sites	-	27	31	Decision makers
17	UBMD PathologyBuffalo · 6 sites	Parent on file	24	26	Decision makers
18	Buffalo Hearing & Speech CenterBuffalo · 7 sites	Parent on file	23	60	Decision makers
19	Jericho Road Community Health CenterBuffalo · 5 sites	Parent on file	22	62	Decision makers
20	UBMD Obstetrics & GynecologyBuffalo · 7 sites	Parent on file	21	28	Decision makers
21	Eastern Great Lakes Pathology, P.C.Buffalo · 6 sites	-	19	19	Decision makers
22	Community Health Center of Buffalo, Inc.Buffalo · 4 sites	Parent on file	16	53	Decision makers
23	BryLin HospitalBuffalo · 2 sites	Parent on file	16	36	Decision makers
24	Neighborhood Health Center of WNY, Inc.Buffalo · 4 sites	Parent on file	15	83	Decision makers
25	BestSelf Behavioral HealthBuffalo · 16 sites	Parent on file	13	148	Decision makers
26	Evergreen HealthBuffalo · 5 sites	Parent on file	12	61	Decision makers
27	WNY MRIBuffalo · 7 sites	Parent on file	10	11	Decision makers
28	Urban Family Practice, P.C.Buffalo · 5 sites	-	7	70	Decision makers
29	Infinity Palliative Medicine PCBuffalo · 4 sites	Parent on file	7	30	Decision makers
30	Associated Physicians of Western New York, P.C.Buffalo · 1 site	-	7	20	Decision makers
31	Care Medical PracticeBuffalo · 6 sites	-	7	18	Decision makers
32	UBMD Internal Medicine, ECMC Internal Medicine CenterBuffalo · 6 sites	-	5	36	Decision makers
33	General Physician, PCBuffalo · 2 sites	Parent on file	4	18	Decision makers
34	Pinnacle Orthopedic & Spine SpecialistsBuffalo · 3 sites	-	4	17	Decision makers
35	Delaware Medical GroupBuffalo · 2 sites	-	4	9	Decision makers
36	Erie County Department of HealthBuffalo · 1 site	Parent on file	4	9	Decision makers
37	WNY BloodCareBuffalo · 3 sites	Parent on file	4	9	Decision makers
38	UB Oral & Maxillofacial SurgeryBuffalo · 2 sites	-	4	7	Decision makers
39	UBMD OtolaryngologyBuffalo · 1 site	Parent on file	4	5	Decision makers
40	Northtowns Medical Group, PCBuffalo · 1 site	-	3	7	Decision makers
41	Pediatric Cardiology Associates of WNYBuffalo · 2 sites	-	3	3	Decision makers
42	ConcertoCareBuffalo · 3 sites	Parent on file	2	25	Decision makers
43	Medical Care of Western New YorkBuffalo · 1 site	-	2	7	Decision makers
44	Rehabilitation and Lifestyle Medicine AssociatesBuffalo · 1 site	-	2	3	Decision makers
45	Community Action Organization of Western New YorkBuffalo · 1 site	Parent on file	2	2	Decision makers
46	People Inc. Rehabilitative ServicesBuffalo · 2 sites	Parent on file	1	30	Decision makers
47	Child & Family ServicesBuffalo · 2 sites	Parent on file	1	14	Decision makers
48	Gateway LongviewBuffalo · 3 sites	Parent on file	1	14	Decision makers
49	Jewish Family Services of Western New YorkBuffalo · 2 sites	Parent on file	1	9	Decision makers
50	Elmwood Village HealthBuffalo · 2 sites	-	1	5	Decision makers

Showing 1 to 10 of 85 medical groups in Buffalo

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

Ubmd Physicians' Group has the most physicians in Buffalo medical groups, with 445 across 8 groups

Dmand AI maps every Buffalo medical group to its parent organization, up to the health system or platform at the top. 6 parent organizations have two or more Buffalo medical groups. Each clinician counts once per parent organization.

Parent organizations with the most Buffalo medical groups
#	Parent organization	Buffalo groups	Physicians	HCPs
1	Ubmd Physicians' GroupAcademic health system	8	445	689
2	Kaleida HealthHealth system	3	439	758
3	Catholic Health SystemHealth system	4	417	890
4	BryLin HospitalHospital	2	17	38
5	Ognomy SleepPhysician practice platform	4	1	2
6	PeopleSocial and human services agency	2	1	37

Parent organizations with two or more Buffalo groups

Ubmd Physicians' GroupAcademic health system · 8 Buffalo medical groups
UBMD PediatricsMulti-specialty group · 17 sites
UBMD Emergency MedicineMedical group · 21 sites
6 more Buffalo 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 85 Buffalo medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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46% of Buffalo 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.

Buffalo medical groups by ownership

Independent3946%
Health system or hospital1922%
Platform or corporate owner78%
Community or government1720%
Other organization34%

Source: Dmand AI Org Hierarchy Data

37 Buffalo 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.

Buffalo medical groups by site of care

Hospitals3744%
FQHCs78%
Behavioral health facilities56%
Ambulatory surgery centers34%
Skilled nursing facilities22%
Therapy and rehab centers11%

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

Primary care groups are the most common medical groups in Buffalo, with 29

Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 15, and 30 Buffalo groups are multi-specialty.

Source: Dmand AI Professional Profile Data

3,615 New York HCPs work in Buffalo medical groups, 1,646 of them physicians

Each clinician is counted once, across every Buffalo group they are linked to. Only clinicians with a New York address are counted.

HCPs in Buffalo medical groups by type

Physicians (MD, DO)1,64646%
Nurses and nurse practitioners86324%
Physician assistants50714%
Behavioral health clinicians2497%
Non-clinical and support staff812%
Other HCPs2697%

Source: Dmand AI Affiliation Data

Each Buffalo 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 Buffalo 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 Buffalo with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in Buffalo

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 Buffalo?

There are 85 medical groups based in Buffalo with a Medicare PAC ID: 30 multi-specialty and 55 single-specialty. 57 of them have more than one site.

What is the largest medical group in Buffalo?

Kaleida Health, with 428 physicians and 712 HCPs with a New York address. Mercy Hospital of Buffalo is second with 284, and Sisters of Charity Hospital is third with 280.

Which health system has the most medical groups in Buffalo?

By physicians, Ubmd Physicians' Group, with 445 across 8 groups, followed by Kaleida Health with 439 and Catholic Health System with 417.

How many Buffalo medical groups are independent?

39, or 46%, have no larger parent organization in the Dmand AI org hierarchy. 19 belong to a health system or hospital and 7 to a physician platform or corporate owner.

How many Buffalo medical groups practice at a hospital?

37 Buffalo 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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