Updated October 2026

Medical groups in Lancaster, PA

Medical group directory
Lancaster, Pennsylvania

Medical groups: 82
Multi-specialty: 15
Single-specialty: 67
More than one site: 48
100+ physicians: 4

There are 82 medical groups in Lancaster with a Medicare PAC ID. Penn Medicine Lancaster General Health is the largest, with 2,843 Pennsylvania physicians, followed by Penn Medicine Lancaster General Health Physicians, Behavioral Health with 443. 74% of Lancaster groups are independent.

Find the decision makers at all 82 Lancaster medical groups

Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.

View contacts for free

Penn Medicine Lancaster General Health is the largest medical group in Lancaster, with 2,843 physicians

Ranked by physicians with a Pennsylvania address linked to each group based in Lancaster. Penn Medicine Lancaster General Health Physicians, Behavioral Health is second with 443, and Penn Medicine Lancaster General Health third with 407. 4 Lancaster groups have 100 or more physicians.

Filter this list with a free account

Sort and filter all 82 Lancaster medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.

Filter in Dmand AI

Medical groups in Lancaster, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Penn Medicine Lancaster General HealthLancaster · 282 sites	Parent on file	2,843	4,783	Decision makers
2	Penn Medicine Lancaster General Health Physicians, Behavioral HealthLancaster · 108 sites	Parent on file	443	859	Decision makers
3	Penn Medicine Lancaster General HealthLancaster · 49 sites	Parent on file	407	785	Decision makers
4	Regional Gastroenterology Associates of Lancaster (RGAL)Lancaster · 50 sites	-	202	408	Decision makers
5	Orthopedic Associates of LancasterLancaster · 10 sites	-	48	120	Decision makers
6	Lancaster Radiology AssociatesLancaster · 23 sites	-	37	42	Decision makers
7	The Heart Group of Lancaster General HealthLancaster · 7 sites	Parent on file	36	65	Decision makers
8	Lancaster Orthopedic GroupLancaster · 5 sites	-	29	83	Decision makers
9	Lancaster Emergency AssociatesLancaster · 2 sites	Parent on file	28	58	Decision makers
10	Union Community CareLancaster · 25 sites	Parent on file	26	93	Decision makers
11	MRI GroupLancaster · 8 sites	Parent on file	26	27	Decision makers
12	Lancaster Behavioral Health HospitalLancaster · 2 sites	Parent on file	21	40	Decision makers
13	Palliative Medicine ConsultantsLancaster · 2 sites	Parent on file	15	21	Decision makers
14	Hypertension & Kidney SpecialistsLancaster · 4 sites	-	13	21	Decision makers
15	Keystone Urology SpecialistsLancaster · 2 sites	Parent on file	12	21	Decision makers
16	Apollo Medical GroupLancaster · 1 site	Parent on file	12	12	Decision makers
17	ReNew Physical TherapyLancaster · 5 sites	Parent on file	11	27	Decision makers
18	Dermatology Physicians, Inc.Lancaster · 3 sites	-	11	17	Decision makers
19	Ponessa Behavioral HealthLancaster · 9 sites	Parent on file	10	60	Decision makers
20	RGAL - Regional Gastroenterology Associates of LancasterLancaster · 50 sites	-	9	229	Decision makers
21	Lancaster Pediatric AssociatesLancaster · 2 sites	-	9	15	Decision makers
22	Pulmonary Associates of LancasterLancaster · 2 sites	-	7	26	Decision makers
23	Penn Medicine LG Health Physicians Ob/Gyn May GrantLancaster · 7 sites	Parent on file	7	25	Decision makers
24	TeamCare Behavioral HealthLancaster · 3 sites	-	6	33	Decision makers
25	Argires Marotti Neurosurgical Associates of LancasterLancaster · 6 sites	-	6	32	Decision makers
26	Prime Anesthesia AssociatesLancaster · 4 sites	-	5	21	Decision makers
27	Dermatology Associates of LancasterLancaster · 1 site	-	5	11	Decision makers
28	Eye Associates of LancasterLancaster · 1 site	-	5	7	Decision makers
29	Eye Doctors of LancasterLancaster · 1 site	-	5	7	Decision makers
30	Lancaster Retina SpecialistsLancaster · 1 site	-	4	4	Decision makers
31	Manning Rommel & Thode AssociatesLancaster · 1 site	-	4	4	Decision makers
32	The ENT CenterLancaster · 1 site	-	3	16	Decision makers
33	Lancaster Cancer CenterLancaster · 3 sites	-	3	5	Decision makers
34	Lancaster Ear, Nose & ThroatLancaster · 1 site	-	3	5	Decision makers
35	Nuestra ClínicaLancaster · 3 sites	Parent on file	3	3	Decision makers
36	Dr. David J. Silverstein AssociatesLancaster · 1 site	-	2	6	Decision makers
37	Behavioral Healthcare CorporationLancaster · 1 site	-	2	5	Decision makers
38	Family Eye GroupLancaster · 1 site	-	2	4	Decision makers
39	Allergy & Asthma CenterLancaster · 1 site	-	2	3	Decision makers
40	Lancaster Family AllergyLancaster · 1 site	-	2	2	Decision makers
41	Spencer Phillips, MD, FAAFPLancaster · 1 site	Parent on file	2	2	Decision makers
42	Rivera Physical TherapyLancaster · 1 site	-	1	9	Decision makers
43	Conestoga EyeLancaster · 2 sites	-	1	6	Decision makers
44	Lancaster Skin Center PCLancaster · 1 site	-	1	3	Decision makers
45	New Horizons Counseling Services, Inc.Lancaster · 1 site	-	1	3	Decision makers
46	Advanced Vein & Laser CenterLancaster · 2 sites	-	1	2	Decision makers
47	Vein Center of LancasterLancaster · 1 site	-	1	1	Decision makers
48	Behavioral Healthcare ConsultantsLancaster · 3 sites	-	-	26	Decision makers
49	Samaritan Counseling CenterLancaster · 2 sites	Parent on file	-	25	Decision makers
50	Ellie Mental Health - Lancaster, PALancaster · 2 sites	Parent on file	-	18	Decision makers

Showing 1 to 10 of 82 medical groups in Lancaster

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

University of Pennsylvania has the most physicians in Lancaster medical groups, with 3,571 across 10 groups

Dmand AI maps every Lancaster medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more Lancaster medical groups. Each clinician counts once per parent organization.

Parent organizations with the most Lancaster medical groups
#	Parent organization	Lancaster groups	Physicians	HCPs
1	University of PennsylvaniaAcademic health system	10	3,571	6,246

Parent organizations with two or more Lancaster groups

University of PennsylvaniaAcademic health system · 10 Lancaster medical groups
Penn Medicine Lancaster General HealthMulti-specialty group · 282 sites
Penn Medicine Lancaster General Health Physicians, Behavioral HealthMulti-specialty group · 108 sites
8 more Lancaster groups and their practice sites

See every medical group, site and clinician under University of Pennsylvania

Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.

Try for free

Source: Dmand AI Org Hierarchy Data

For sales teams

Find the decision makers at Lancaster medical groups

Dmand AI maps the owners, administrators and physician leaders at each of the 82 Lancaster medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

Try for free Book a meeting

74% of Lancaster 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.

Lancaster medical groups by ownership

Independent6174%
Health system or hospital1113%
Platform or corporate owner34%
Community or government56%
Other organization22%

Source: Dmand AI Org Hierarchy Data

15 Lancaster 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

Behavioral and mental health groups are the most common medical groups in Lancaster, with 18

Each group is counted once, under its main specialty. Primary care groups are second, with 16, and 15 Lancaster groups are multi-specialty.

Source: Dmand AI Professional Profile Data

7,564 Pennsylvania HCPs work in Lancaster medical groups, 3,986 of them physicians

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

HCPs in Lancaster medical groups by type

Physicians (MD, DO)3,98653%
Nurses and nurse practitioners1,95126%
Physician assistants90512%
Behavioral health clinicians3314%
Non-clinical and support staff1091%
Other HCPs2824%

Source: Dmand AI Affiliation Data

Each Lancaster 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

Free account: 30 days free, self-serve, no credit card.

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

Sources for the Lancaster 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 Lancaster with a Medicare PAC ID.

FAQ

Frequently asked questions about medical groups in Lancaster

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 Lancaster?

There are 82 medical groups based in Lancaster with a Medicare PAC ID: 15 multi-specialty and 67 single-specialty. 48 of them have more than one site.

What is the largest medical group in Lancaster?

Penn Medicine Lancaster General Health, with 2,843 physicians and 4,783 HCPs with a Pennsylvania address. Penn Medicine Lancaster General Health Physicians, Behavioral Health is second with 443, and Penn Medicine Lancaster General Health is third with 407.

How many Lancaster medical groups are independent?

61, or 74%, have no larger parent organization in the Dmand AI org hierarchy. 11 belong to a health system or hospital and 3 to a physician platform or corporate owner.

How many Lancaster medical groups practice at a hospital?

15 Lancaster 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.

Dmand AI

Find the right contacts at every Lancaster medical group

Search 82 groups by specialty, size and parent organization, with the physicians and leaders at each one.

Start free trial Book a demo

30 days free
Self-serve
No credit card