Medical groups in Commack, NY
- Medical groups
- 28
- Multi-specialty
- 3
- Single-specialty
- 25
- More than one site
- 11
There are 28 medical groups in Commack with a Medicare PAC ID. Lighthouse Gastroenterology PC is the largest, with 20 New York physicians, followed by MDCS: Manhattan Dermatology and Cosmetic Surgery with 11. 93% of Commack groups are independent.
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Lighthouse Gastroenterology PC is the largest medical group in Commack, with 20 physicians
Ranked by physicians with a New York address linked to each group based in Commack. MDCS: Manhattan Dermatology and Cosmetic Surgery is second with 11, and Long Island Spine Specialists third with 10.
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Showing 1 to 10 of 28 medical groups in Commack
Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data
93% of Commack 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.
Commack medical groups by ownership
- Independent26
- Other organization2
Source: Dmand AI Org Hierarchy Data
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Dmand AI maps the owners, administrators and physician leaders at each of the 28 Commack medical groups, with the parent organization above each one, and finds validated work emails and mobile numbers.
4 Commack 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.
Commack medical groups by site of care
- Hospitals4
- Ambulatory surgery centers1
- Skilled nursing facilities1
- Behavioral health facilities1
Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data
Primary care groups are the most common medical groups in Commack, with 8
Each group is counted once, under its main specialty. Behavioral and mental health groups are second, with 7, and 3 Commack groups are multi-specialty.
- Primary care8
- Behavioral and mental health7
- Rehabilitation and therapy4
- Anesthesia and pain2
- Orthopedics and sports medicine2
- Podiatry2
- Chiropractic1
- Dermatology1
- Eye care1
Source: Dmand AI Professional Profile Data
189 New York HCPs work in Commack medical groups, 60 of them physicians
Each clinician is counted once, across every Commack group they are linked to. Only clinicians with a New York address are counted.
HCPs in Commack medical groups by type
- Behavioral health clinicians64
- Physicians (MD, DO)60
- Nurses and nurse practitioners26
- Physician assistants18
- Therapists (PT and OT)8
- Other HCPs13
Source: Dmand AI Affiliation Data
Each Commack 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 Commack 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 Commack with a Medicare PAC ID.
FAQ
Frequently asked questions about medical groups in Commack
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 Commack?
There are 28 medical groups based in Commack with a Medicare PAC ID: 3 multi-specialty and 25 single-specialty. 11 of them have more than one site.
What is the largest medical group in Commack?
Lighthouse Gastroenterology PC, with 20 physicians and 23 HCPs with a New York address. MDCS: Manhattan Dermatology and Cosmetic Surgery is second with 11, and Long Island Spine Specialists is third with 10.
How many Commack medical groups are independent?
26, or 93%, have no larger parent organization in the Dmand AI org hierarchy.
How many Commack medical groups practice at a hospital?
4 Commack 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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