NPPES file of Aug 9, 2026

Mary Rachel Westerfield, FNP

Family Nurse Practitioner · Horseheads, NY

Mary Rachel Westerfield, FNP is a family nurse practitioner with a practice address in Horseheads, New York, and NPI 1063395622, issued on Jul 30, 2025. Check the license (New York 357408, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063395622
Name
Mary Rachel Westerfield
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
357408 NY
Self-reported in NPPES; status is on the state search
Practice location
100 John Roemmelt Dr Ste 302, Horseheads, NY 14845
Phone
(607) 873-1810
Enumerated
Jul 30, 2025
Record last updated
Jul 30, 2025
Fax
(607) 562-3157
Medicare enrollment
Enrolled (PECOS I20251009002330); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 John Roemmelt Dr Ste 302

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Muhammad Khan, MDFamily Medicine Physician1619559531
  2. Kathleen Machuga, NPNurse Practitioner1538210752
  3. Abdelkader Mallouk, MD, ODFamily Medicine Physician1407949621
  4. Sean Stryker, MDFamily Medicine Physician1558354936

Verify Mary Rachel Westerfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 357408
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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One hospital affiliation

  1. Arnot Ogden Medical CenterHorseheads, NY · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Mary Rachel Westerfield among 14,805 family nurse practitioner records in New York

Mary Rachel Westerfield, FNP is one of 14,805 family nurse practitioner records with a practice address in New York. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 90% of them.

  • NPI issued2025 · 90% of these records are older, 4% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 49% of these records are
  • Graduated2025 · median 2019 among the 7,239 with a school on file
  • Record last updated2025 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 family nurse practitioner records list a practice address in Horseheads

They are 19 of the 310 NPPES records with a practice address in Horseheads, and 14,805 family nurse practitioner records in New York.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Julie Boersen, RN FNP-BCHorseheads, NY 148451790877611
  2. Jennilee BrinksHorseheads, NY 148451609412774
  3. Rebecca Carr, NPHorseheads, NY 148451629695796
  4. Wendy Christmas, FNP-C, RNHorseheads, NY 148451790476109
  5. Leigh Dries, NPHorseheads, NY 148451518349547
  6. Rosalyn Dubois, FNP, GNPHorseheads, NY 148451093973802
  7. Robin French, NPHorseheads, NY 148451508278789
  8. Ann Newman, NURSE PRACTITIONERHorseheads, NY 148451538388673

Common questions

What is Mary Rachel Westerfield, FNP's NPI number?

Mary Rachel Westerfield, FNP's National Provider Identifier (NPI) is 1063395622, issued on Jul 30, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mary Rachel Westerfield, FNP located?

The NPPES record lists a practice address at 100 John Roemmelt Dr Ste 302, Horseheads, NY, 14845. Phone: (607) 873-1810. Providers update this record themselves, so call before visiting.

How can I verify Mary Rachel Westerfield, FNP's license?

NPPES lists New York license number 357408, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.