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HILLARY FEDER M.S.
NPI 1437105566
Nurse Practitioner in Yonkers, NY

Active since May 26, 2006PECOS Enrolled
2 PARK AVENUE TER APT 4W, YONKERS, NY 10703(914) 964-7723(914) 964-7321 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hillary Feder M.s. NPPES

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

HILLARY FEDER M.S. (NPI 1437105566) is an individual nurse practitioner in Yonkers, New York, licensed in New York (F333582) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437105566
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameHILLARY FEDERCredential: M.S.
Location Address2 PARK AVENUE TER APT 4WYonkers, NY 10703-1500
Mailing Address2 Park Ave # 4westYonkers, NY 10703-3402 · (914) 964-7723 · Fax (914) 964-7321
Phone(914) 964-7723
Fax(914) 964-7321
Sole ProprietorNo
Enumeration DateMay 26, 2006
Last NPPES UpdateJanuary 29, 2026
NPPES CertifiedJanuary 29, 2026
✔ NPI 1437105566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in NY · F333582
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2 PARK AVENUE TER APT 4W, Yonkers, NY 10703
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hillary Feder M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Hillary Feder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. John's Riverside Hospital-Hs
0.6 mi
Internal Medicine
967 N BROADWAY
Yonkers, NY 10701
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: St. John's Riverside Hospital
  • 6 clinicians in this Medicare group
NPI 1235171018 (914) 966-9787

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10703 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

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 Hillary Feder's NPI number?

The NPI number for Hillary Feder is 1437105566. It was assigned to this individual provider in the NPPES registry on May 26, 2006.

Where is Hillary Feder located?

Hillary Feder practices at 2 Park Avenue Ter Apt 4W, Yonkers, NY 10703. The listed phone number is (914) 964-7723.

What is Hillary Feder's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Hillary Feder enrolled in Medicare?

Yes. Hillary Feder is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hillary Feder's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Feder reassigns Medicare benefits to St. John's Riverside Hospital-Hs (Yonkers, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hillary Feder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hillary Feder was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.