ALEXANDER GREGORY HILSER MD
NPI 1659219913
Student in an Organized Health Care Education/Training Program in Stony Brook, NY

Active since March 24, 2026
STONY BROOK MEDICINE, HSC LEVEL 4, ROOM 174, STONY BROOK, NY 11794(631) 638-8517 Get Directions Write a Review

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

About Alexander Gregory Hilser Md NPPES

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

ALEXANDER GREGORY HILSER MD (NPI 1659219913) is an individual student in an organized health care education/training program in Stony Brook, New York and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1659219913
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameALEXANDER GREGORY HILSERCredential: MD
Location AddressSTONY BROOK MEDICINE, HSC LEVEL 4, ROOM 174Stony Brook, NY 11794-8430
Mailing AddressStony Brook Medicine, Hsc Level 4, Room 174Stony Brook, NY 11794-8430 · (631) 638-8517
Sole ProprietorNo
Enumeration DateMarch 24, 2026
NPPES CertifiedMarch 24, 2026
NPI 1659219913 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

STONY BROOK MEDICINE, Stony Brook, NY 11794

Other Providers at the Same Location NPPES 7

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

Nurse Practitioner (Adult Health)
STONY BROOK MEDICINE, HSC DEPT OF UROLOGY ROOM 040 LEVEL 9
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
STONY BROOK MEDICINE
STONY BROOK, NY 11794
Physician Assistant
STONY BROOK MEDICINE, DEPT. OF EMERGENCY MEDICINE, HSC, LEVEL 4, ROOM 080
STONY BROOK, NY 11794
Nurse Practitioner (Adult Health)
STONY BROOK MEDICINE, NICOLLS ROAD HOSPITAL LEVEL 13
STONY BROOK, NY 11794
Pediatrics
STONY BROOK MEDICINE, HSC T-11, ROOM 040 DEPARTMENT OF PEDIATRICS
STONY BROOK, NY 11794
Student in an Organized Health Care Education/Training Program
STONY BROOK MEDICINE, HSC LEVEL 4, ROOM 174
STONY BROOK, NY 11794
Surgery
STONY BROOK MEDICINE, 101 NICOLLS ROAD, HSC T19-090
STONY BROOK, NY 11794

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 Alexander Hilser's NPI number?

The NPI number for Alexander Hilser is 1659219913. It was assigned to this individual provider in the NPPES registry on March 24, 2026.

Where is Alexander Hilser located?

Alexander Hilser practices at Stony Brook Medicine Hsc Level 4, Room 174, Stony Brook, NY 11794. The listed phone number is (631) 638-8517.

What is Alexander Hilser's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Alexander Hilser was last updated on March 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.