Internists in Port Jefferson, NY
- Internists
- 60
- Linked to a hospital or group
- 49
- Hospitals with an internist
- 11
- Medical groups with an internist
- 21
- Practice at a hospital
- 44
There are 60 internists in Port Jefferson. Mather Hospital has the most, 18, and Mather Hospital has the most affiliated internists, 33. 43% finished medical school 30 or more years ago.
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Port Jefferson internists, listed A to Z by last name
Each internist on the list has internal medicine as their primary specialty and a Port Jefferson practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.
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The list shows the 49 internists with a public profile. The other 11 are counted in the total and searchable with a free account.
Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data
For health IT teams
Dmand AI has the EHR for 51 of 60 Port Jefferson internists, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.
Mather Hospital has the most internists in Port Jefferson, with 18
Southwest Suffolk Medical PC is second with 9, and Mather Medical Group third with 6. Counts are internists with a New York address linked to each group.
Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data
Mather Hospital has the most affiliated internists in Port Jefferson, with 33
Good Samaritan University Hospital St. Charles Campus is second with 16, and Stony Brook University Hospital third with 10. Port Jefferson internists are affiliated with 11 hospitals in all.
See every hospital and group for each Port Jefferson internist
Each public profile names one place an internist practices. A free account shows all of them, with the employer, the EHR and validated contacts.
Source: Dmand AI Affiliation Data
Most Port Jefferson internists practice at a hospital: 44 of the 47 with a mapped site
31 also practice at skilled nursing facilities, and 11 at a medical group site. An internist can practice at several kinds of site, so the shares overlap.
Port Jefferson internists by site of care
- Hospitals44
- Skilled nursing facilities31
- Medical group practices11
- Home health agencies10
- Physician offices7
Sources: Dmand AI Affiliation Data and Dmand AI Practice Data
43% of Port Jefferson internists finished medical school 30 or more years ago
20 of the 46 Port Jefferson internists with a graduation year on file. 2 graduated in the last 10 years, fewer than graduated 40 or more years ago.
Physicians by years since medical school
- Under 10 years ago2
- 10 to 19 years ago15
- 20 to 29 years ago9
- 30 to 39 years ago11
- 40 or more years ago9
Source: Dmand AI Professional Profile Data
Every Port Jefferson internist profile shows current hospitals and groups, Medicare activity and NPI details
- Primary practiceThe main place they practice, with its type and cityOn every profile
- Every site of careEach hospital, clinic and group where they practice nowWith a free account
- EmployerThe organization they work for, when one is on fileWith a free account
- Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
- Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
- Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
- Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
- Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
- NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
- Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
- EHR in useThe EHR at each site where they practiceWith a free account
- Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account
Free account: 30 days free, self-serve, no credit card.
Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data
Sources for the Port Jefferson internist directory
| Data on this page | Source |
|---|---|
| HCPs, types and specialties | NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data |
| Sites of care, hospitals and medical groups | Dmand AI Affiliation Data |
| Medical school graduation year | Dmand AI Professional Profile Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
Internists are HCPs whose primary specialty is internal medicine (taxonomy code 207R00000X), with an active NPI and a Port Jefferson practice address.
FAQ
Frequently asked questions about internists in Port Jefferson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
How many internists are in Port Jefferson?
60 internists have an active NPI, a Port Jefferson practice address and internal medicine (taxonomy code 207R00000X) as their primary specialty. 49 of them are linked to a hospital or medical group.
Which Port Jefferson medical groups have the most internists?
Mather Hospital, with 18, followed by Southwest Suffolk Medical PC with 9 and Mather Medical Group with 6.
Which Port Jefferson hospitals have the most internists?
Mather Hospital, with 33 affiliated internists, followed by Good Samaritan University Hospital St. Charles Campus with 16 and Stony Brook University Hospital with 10.
What share of Port Jefferson internists practice at a hospital?
44 of the 47 Port Jefferson internists with a mapped site of care, or 94%, have a current hospital affiliation.
What is the taxonomy code for internal medicine?
207R00000X is the NPPES taxonomy code for internal medicine. Sub-specialties with their own code are counted on their own lists.
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