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MARY RACHEL WESTERFIELD FNP
NPI 1063395622
Nurse Practitioner - Family in Horseheads, NY

Active since July 30, 2025PECOS EnrolledAccepts Medicare Assignment
100 JOHN ROEMMELT DR STE 302, HORSEHEADS, NY 14845(607) 873-1810(607) 562-3157 Get Directions Write a Review

NPPES record last updated: July 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary Rachel Westerfield Fnp NPPES

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

MARY RACHEL WESTERFIELD FNP (NPI 1063395622) is an individual family provider in Horseheads, New York, licensed in New York (357408) and active in the NPI registry since July 2025. She is enrolled in Medicare PECOS, is affiliated with Arnot Ogden Medical Center, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1063395622
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY RACHEL WESTERFIELDCredential: FNP
Location Address100 JOHN ROEMMELT DR STE 302Horseheads, NY 14845-8304
Mailing Address600 Ivy St Ste 206Elmira, NY 14905-1627 · (607) 271-2050 · Fax (607) 271-2071
Phone(607) 873-1810
Fax(607) 562-3157
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJuly 30, 2025
NPPES CertifiedJune 30, 2025
✔ NPI 1063395622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · 357408
100 JOHN ROEMMELT DR STE 302, Horseheads, NY 14845
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Rachel Westerfield Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8426555970
PECOS Enrollment IDI20251009002330
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Arnot Ogden Medical Center

Acute Care Hospitals · Elmira, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330090
Location600 Roe AvenueElmira, NY 14905 · Chemung County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14845 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

MR. ABDELKADER MALLOUK MD, OD
Family Medicine
100 JOHN ROEMMELT DR STE 302
HORSEHEADS, NY 14845
Chemung County (607) 873-1810
KATHLEEN A MACHUGA NP
Nurse Practitioner
100 JOHN ROEMMELT DR STE 302
HORSEHEADS, NY 14845
Chemung County (607) 873-1810
SEAN ALLEN STRYKER MD
Family Medicine
100 JOHN ROEMMELT DR STE 302
HORSEHEADS, NY 14845
Chemung County (607) 873-1810
DR. MUHAMMAD HASSAN KHAN MD
Family Medicine
100 JOHN ROEMMELT DR STE 302
HORSEHEADS, NY 14845
Chemung County (607) 873-1810

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 Mary Westerfield's NPI number?

The NPI number for Mary Westerfield is 1063395622. It was assigned to this individual provider in the NPPES registry on July 30, 2025.

Where is Mary Westerfield located?

Mary Westerfield practices at 100 John Roemmelt Dr Ste 302, Horseheads, NY 14845. The listed phone number is (607) 873-1810.

What is Mary Westerfield's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Mary Westerfield enrolled in Medicare?

Yes. Mary Westerfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Mary Westerfield affiliated with any hospitals?

According to CMS data, Mary Westerfield is affiliated with Arnot Ogden Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Westerfield was last updated on July 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.