1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Orthopaedic Surgery
  6. NPI Profile

DR. HILARY WINIKOFF ALPERT MD
NPI 1508077173
Orthopaedic Surgery - Foot and Ankle Surgery in New York, NY

Active since May 25, 2007PECOS Enrolled
20 E 46TH ST, NEW YORK, NY 10017(973) 928-1325(973) 365-2333 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 1, 2024, Oct 19, 2023, May 14, 2018 (3 updates tracked since 2018).

About Dr. Hilary Winikoff Alpert Md NPPES

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

DR. HILARY WINIKOFF ALPERT MD (NPI 1508077173) is an individual foot and ankle surgery provider in New York, New York, licensed in New York (271676-1) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Clifton.

NPPES Registry Identity

NPI1508077173
Entity TypeIndividualFemale
Primary Taxonomy207XX0004X
Provider Legal NameDR. HILARY WINIKOFF ALPERTCredential: MD
Location Address20 E 46TH STNew York, NY 10017-2417
Mailing Address20 E 46th StNew York, NY 10017-2417 · (973) 928-1325 · Fax (973) 365-2333
Phone(973) 928-1325
Fax(973) 365-2333
Sole ProprietorNo
Enumeration DateMay 25, 2007
Last NPPES UpdateOctober 14, 20253 updates tracked since enumeration
NPPES CertifiedOctober 14, 2025
✔ NPI 1508077173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Foot and Ankle SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XX0004X
Licenses✔ Licensed in NY · 271676-1✔ Licensed in NJ · 25MA09465500
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 271676-1 (NY)
20 E 46TH ST, New York, NY 10017
Open in Google Maps ↗

Secondary Practice Location 1

Location 150 Mount Prospect Ave Ste 104Clifton, NJ 07013-1900 · Phone (973) 928-1325 · Fax (973) 365-2371

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hilary Winikoff Alpert Md 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 Hilary Alpert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

True North Medical Group PC
23 mi
Orthopaedic Surgery
1728 SUNRISE HWY
Merrick, NY 11566
  • Reassigned Medicare billing, New York enrollment
  • 178 clinicians in this Medicare group
NPI 1659883486 (516) 992-4700

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
34 services19 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
32 services32 patients

Other Providers at the Same Location NPPES 20

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

DR. AMANDA HWE CHAN D.D.S.
Dentist
20 E 46TH ST, SUITE #1000
NEW YORK, NY 10017
New York County (212) 813-0850
DOMINIC EMEKA ONYEMA M.D.
Internal Medicine (Nephrology)
20 E 46TH ST, 9TH FLOOR
NEW YORK, NY 10017
New York County (646) 490-5475
DR. LASAUNDRA C ESTELLE DDS
Dentist (General Practice)
20 E 46TH ST, STE 400
NEW YORK, NY 10017
New York County (212) 426-3790
MS. IRENE PARK APRN, BC
Nurse Practitioner (Adult Health)
20 E 46TH ST
NEW YORK, NY 10017
New York County (212) 481-3600
CORTES HEALTH AND WELLNESS
Chiropractor
20 E 46TH ST, 9TH FLOOR
NEW YORK, NY 10017
New York County (201) 857-4011
PATIENTS FIRST MEDICAL, P.C.
Clinic/Center (Ambulatory Surgical)
20 E 46TH ST, 7TH FLOOR
NEW YORK, NY 10017
New York County (212) 758-3939
RHONDA JANE POMERANTZ MD
Dermatology
20 E 46TH ST, SUITE 1101
NEW YORK, NY 10017
New York County (212) 335-0488
20 EAST CHIROPRACTIC OF MIDTOWN
Chiropractor
20 E 46TH ST, SUITE 202
NEW YORK, NY 10017
New York County (212) 687-3865

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 Hilary Alpert's NPI number?

The NPI number for Hilary Alpert is 1508077173. It was assigned to this individual provider in the NPPES registry on May 25, 2007.

Where is Hilary Alpert located?

Hilary Alpert practices at 20 E 46th St, New York, NY 10017. The listed phone number is (973) 928-1325.

What is Hilary Alpert's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Foot and Ankle Surgery, with taxonomy code 207XX0004X.

Is Hilary Alpert enrolled in Medicare?

Yes. Hilary Alpert is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hilary Alpert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Alpert reassigns Medicare benefits to True North Medical Group PC (Merrick, 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 Hilary Alpert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hilary Alpert accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Hilary Alpert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Hilary Alpert was last updated on October 14, 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.