Medical groups in Harrison, NY
- Medical groups
- 25
- Single-specialty
- 25
- More than one site
- 20
There are 25 medical groups in Harrison with a Medicare PAC ID. Somnia Anesthesia is the largest, with 49 New York physicians, followed by Somnia Anesthesia with 38. 24% of Harrison groups are independent.
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Work emails and mobile numbers for practice owners, administrators and physician leaders, found through healthcare waterfall enrichment, with a free Dmand AI account.
Somnia Anesthesia is the largest medical group in Harrison, with 49 physicians
Ranked by physicians with a New York address linked to each group based in Harrison. Somnia Anesthesia is second with 38, and Somnia Anesthesia third with 27.
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Sort and filter all 25 Harrison medical groups by specialty, parent organization, group size, EHR in use and decision makers in Dmand AI.
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
Somnia has the most physicians in Harrison medical groups, with 113 across 17 groups
Dmand AI maps every Harrison medical group to its parent organization, up to the health system or platform at the top. 1 parent organizations have two or more Harrison medical groups. Each clinician counts once per parent organization.
See every medical group, site and clinician under Somnia
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 25 Harrison medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
24% of Harrison 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.
Harrison medical groups by ownership
- Independent6
- Platform or corporate owner19
Source: Dmand AI Org Hierarchy Data
18 Harrison 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.
Harrison medical groups by site of care
- Hospitals18
- Ambulatory surgery centers9
- Skilled nursing facilities2
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Anesthesia and pain groups are the most common medical groups in Harrison, with 18
Each group is counted once, under its main specialty. Dermatology groups are second, with 1.
- Anesthesia and pain18
- Dermatology1
- ENT and audiology1
- Orthopedics and sports medicine1
- Plastic and cosmetic surgery1
- Podiatry1
- Primary care1
- Rehabilitation and therapy1
Source: Dmand AI Professional Profile Data
563 New York HCPs work in Harrison medical groups, 133 of them physicians
Each clinician is counted once, across every Harrison group they are linked to. Only clinicians with a New York address are counted.
HCPs in Harrison medical groups by type
- Therapists (PT and OT)321
- Physicians (MD, DO)133
- Nurses and nurse practitioners86
- Speech therapists and audiologists8
- Non-clinical and support staff7
- Other HCPs8
Source: Dmand AI Affiliation Data
Each Harrison 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 Harrison 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 Harrison with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Harrison
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 Harrison?
There are 25 medical groups based in Harrison with a Medicare PAC ID. 20 of them have more than one site.
What is the largest medical group in Harrison?
Somnia Anesthesia, with 49 physicians and 107 HCPs with a New York address. Somnia Anesthesia is second with 38, and Somnia Anesthesia is third with 27.
How many Harrison medical groups are independent?
6, or 24%, have no larger parent organization in the Dmand AI org hierarchy. 19 to a physician platform or corporate owner.
How many Harrison medical groups practice at a hospital?
18 Harrison 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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