MICHAEL W. MENDELSON, M.D., P.C.
NPI 1023318292
Internal Medicine in Port Jefferson Station, NY

Active since October 22, 2010
5360 NESCONSET HWY STE B, PORT JEFFERSON STATION, NY 11776(631) 331-3200(631) 331-3694 Get Directions Write a Review

NPPES record last updated: May 24, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Michael W. Mendelson, M.d., P.c. NPPES

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

MICHAEL W. MENDELSON, M.D., P.C. (NPI 1023318292) is a healthcare organization registered as an internal medicine in Port Jefferson Station, New York and active in the NPI registry since October 2010. The organization lists Michael W Mendelson, President, as its authorized official.

NPPES Registry Identity

NPI1023318292
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMICHAEL W. MENDELSON, M.D., P.C.
Location Address5360 NESCONSET HWY STE BPort Jefferson Station, NY 11776-2018
Mailing Address5360 Nesconset Hwy Ste BPort Jefferson Station, NY 11776-2018 · (631) 331-3200 · Fax (631) 331-3694
Fax(631) 331-3694
Organization SubpartNo
Authorized OfficialMichael W MendelsonPresident · (631) 331-3200
Enumeration DateOctober 22, 2010
Last NPPES UpdateMay 24, 2021
NPPES CertifiedMay 24, 2021
NPI 1023318292 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 110115
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 110115 (NY)
5360 NESCONSET HWY STE B, Port Jefferson Station, NY 11776

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Michael W. Mendelson, M.D., P.C.'s NPI number?

The NPI number for Michael W. Mendelson, M.D., P.C. is 1023318292. It was assigned to this organization in the NPPES registry on October 22, 2010.

Where is Michael W. Mendelson, M.D., P.C. located?

Michael W. Mendelson, M.D., P.C. is located at 5360 Nesconset Hwy Ste B, Port Jefferson Station, NY 11776. The listed phone number is (631) 331-3200.

What is Michael W. Mendelson, M.D., P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Michael W. Mendelson, M.D., P.C. was last updated on May 24, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.