Individual Healthcare Provider
Peggy Ann Estime Margetson, DNP, WHNP-BC
Provider's NPPES record last updated: March 3, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1013444637
- Primary Specialty
- Obstetrics & Gynecology
- Practice Location
- Deer Park, 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, 6:58 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 Nurse Practitioner
Obstetrics & Gynecology
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 363LX0001XObstetrics & Gynecology
Gynecology
Allopathic & Osteopathic Physicians
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions.
Taxonomy code 207VG0400XRegistered Nurse
Women's Health Care, Ambulatory
Nursing Service Providers
Definition to come...
Taxonomy code 163WW0101XNurse Practitioner
Women's Health
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 363LW0102X
Provider-Reported License Information
- Obstetrics & Gynecology (New York)
- 421288
- Nurse Practitioner (New York)
- 421288
- Obstetrics & Gynecology (New York)
- 421288
- Registered Nurse (New York)
- 639989-1
- Nurse Practitioner (New York)
- 421288
Practice Locations
Practice Location
1644 Deer Park Ave Ste Lower
Deer Park, New York 11729-5211
Phone: (929) 788-7878
Additional Practice Location
318 Gates Ave Ste C2
Brooklyn, New York 11216-1306
Phone: (929) 788-7878
Fax: (347) 803-1889
Record Information
- Enumeration Date
- May 12, 2017
- Provider's NPPES Record Last Updated
- March 3, 2026
- Certification Date
- March 3, 2026
- NPISignal NPPES Dataset
- August 2026
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