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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STUART NEMSER MD
NPI 1821031402
Internal Medicine in New York, NY

Active since June 13, 2006
172 AMSTERDAM AVE, NEW YORK, NY 10023(212) 496-4600 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Stuart Nemser Md NPPES

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

STUART NEMSER MD (NPI 1821031402) is an individual internal medicine provider in New York, New York, licensed in New York (079772) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1821031402
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTUART NEMSERCredential: MD
Location Address172 AMSTERDAM AVENew York, NY 10023-5034
Mailing Address172 Amsterdam AveNew York, NY 10023-5034 · (212) 496-4600
Phone(212) 496-4600
Sole ProprietorNo
Enumeration DateJune 13, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1821031402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 079772
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.
172 AMSTERDAM AVE, New York, NY 10023
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Other Providers at the Same Location NPPES

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

MANHATTAN'S PHYSICIAN GROUP
Family Medicine
172 AMSTERDAM AVE
NEW YORK, NY 10023
New York County (212) 496-4600

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 Stuart Nemser's NPI number?

The NPI number for Stuart Nemser is 1821031402. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Stuart Nemser located?

Stuart Nemser practices at 172 Amsterdam Ave, New York, NY 10023. The listed phone number is (212) 496-4600.

What is Stuart Nemser'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 Stuart Nemser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.