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JOHN OPPENHEIMER, M.D., PLLC
NPI 1780956441
Internal Medicine - Geriatric Medicine in Sag Harbor, NY

Active since January 27, 2012
60 BAY ST, SAG HARBOR, NY 11963(621) 725-4600 Get Directions Write a Review

NPPES record last updated: January 27, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About John Oppenheimer, M.d., Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN OPPENHEIMER, M.D., PLLC (NPI 1780956441) is a healthcare organization registered as a geriatric medicine in Sag Harbor, New York and active in the NPI registry since January 2012. The organization lists John Oppenheimer, Physican, as its authorized official.

NPPES Registry Identity

NPI1780956441
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NameJOHN OPPENHEIMER, M.D., PLLC
Location Address60 BAY STSag Harbor, NY 11963-3106
Mailing AddressPo Box 3137Sag Harbor, NY 11963-0405 · (621) 725-4600
Phone(621) 725-4600
Organization SubpartNo
Authorized OfficialJohn OppenheimerPhysican · (631) 725-4600
Enumeration DateJanuary 27, 2012
✔ NPI 1780956441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License✔ Licensed in NY · 150853
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
60 BAY ST, Sag Harbor, NY 11963
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN K OPPENHEIMER M.D.
Internal Medicine
60 BAY ST
SAG HARBOR, NY 11963
Suffolk County (631) 725-4600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Oppenheimer, M.D., PLLC's NPI number?

The NPI number for John Oppenheimer, M.D., PLLC is 1780956441. It was assigned to this organization in the NPPES registry on January 27, 2012.

Where is John Oppenheimer, M.D., PLLC located?

John Oppenheimer, M.D., PLLC is located at 60 Bay St, Sag Harbor, NY 11963. The listed phone number is (621) 725-4600.

What is John Oppenheimer, M.D., PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

When was this NPI record last updated?

The NPPES record for John Oppenheimer, M.D., PLLC was last updated on January 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.