Medical groups in Lancaster, OH
- Medical groups
- 31
- Multi-specialty
- 4
- Single-specialty
- 27
- More than one site
- 16
- 100+ physicians
- 1
There are 31 medical groups in Lancaster with a Medicare PAC ID. Fairfield Healthcare Professionals is the largest, with 103 Ohio physicians, followed by Fairfield Anesthesia Associates with 16. 71% of Lancaster groups are independent.
Find the decision makers at all 31 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.
Fairfield Healthcare Professionals is the largest medical group in Lancaster, with 103 physicians
Ranked by physicians with an Ohio address linked to each group based in Lancaster. Fairfield Anesthesia Associates is second with 16, and Family Medicine Residency Clinic third with 12. 1 Lancaster group has 100 or more physicians.
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Sort and filter all 31 Lancaster medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Showing 1 to 10 of 31 medical groups in Lancaster
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Adena Occupational Health has the most physicians in Lancaster medical groups, with 130 across 3 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.
See every medical group, site and clinician under Adena Occupational Health
Org Hierarchy Explorer maps every group, site of care and clinician under the parent, with the leaders at each group.
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 31 Lancaster medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
71% 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
- Independent22
- Health system or hospital4
- Platform or corporate owner1
- Community or government2
- Other organization2
Source: Dmand AI Org Hierarchy Data
4 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.
Lancaster medical groups by site of care
- Hospitals4
- FQHCs2
- Hospices1
- Dialysis centers1
- Behavioral health facilities1
- Rural health clinics1
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 8
Each group is counted once, under its main specialty. Eye care groups are second, with 7, and 4 Lancaster groups are multi-specialty.
- Behavioral and mental health8
- Eye care7
- Primary care7
- Chiropractic4
- Anesthesia and pain2
- ENT and audiology2
- Orthopedics and sports medicine1
Source: Dmand AI Professional Profile Data
357 Ohio HCPs work in Lancaster medical groups, 154 of them physicians
Each clinician is counted once, across every Lancaster group they are linked to. Only clinicians with an Ohio address are counted.
HCPs in Lancaster medical groups by type
- Physicians (MD, DO)154
- Behavioral health clinicians75
- Nurses and nurse practitioners71
- Physician assistants23
- Chiropractors13
- Other HCPs21
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
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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 Lancaster medical group directory
| 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 inaccuracyRemove 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 31 medical groups based in Lancaster with a Medicare PAC ID: 4 multi-specialty and 27 single-specialty. 16 of them have more than one site.
What is the largest medical group in Lancaster?
Fairfield Healthcare Professionals, with 103 physicians and 164 HCPs with an Ohio address. Fairfield Anesthesia Associates is second with 16, and Family Medicine Residency Clinic is third with 12.
How many Lancaster medical groups are independent?
22, or 71%, have no larger parent organization in the Dmand AI org hierarchy. 4 belong to a health system or hospital and 1 to a physician platform or corporate owner.
How many Lancaster medical groups practice at a hospital?
4 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.
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