Individual Healthcare Provider
Diana Leon, M.D.
Provider's NPPES record last updated: December 3, 2019
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1649538554
- Primary Specialty
- Obstetrics & Gynecology
- Practice Location
- Setauket, New York
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 10:27 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Obstetrics & Gynecology
Allopathic & Osteopathic Physicians
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Taxonomy code 207V00000X Obstetrics & Gynecology
Obstetrics
Allopathic & Osteopathic Physicians
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions.
Taxonomy code 207VX0000XObstetrics & Gynecology
Gynecology
Allopathic & Osteopathic Physicians
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions.
Taxonomy code 207VG0400X
Provider-Reported License Information
- Obstetrics & Gynecology (New York)
- 262109
- Obstetrics & Gynecology (New York)
- 262109
- Obstetrics & Gynecology (New York)
- 262109
Practice Locations
Practice Location
100 S Jersey Ave Unit 16
Setauket, New York 11733-2036
Phone: (631) 689-6400
Additional Practice Location
285 Sills Rd Ste D
East Patchogue, New York 11772-4869
Phone: (631) 447-1032
Record Information
- Enumeration Date
- April 27, 2012
- Provider's NPPES Record Last Updated
- December 3, 2019
- NPISignal NPPES Dataset
- August 2026
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