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Pathology

William Gesztes, MD

Works at hospitals in Mount Kisco, NY · Sleepy Hollow, NY · New York

Summary

William Gesztes, MD (Pathology) is listed by Medicare at 2 hospitals in Mount Kisco, NY and Sleepy Hollow, NY. NPI 1477016582. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William Gesztes, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
MaleGender (as listed)
North Shore-Lij Medical PCGroup practice

Quick answers

Which hospitals does William Gesztes work at?
Medicare's official clinician data lists William Gesztes at 2 hospitals: Northern Westchester Hospital and Phelps Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Gesztes see patients?
Medicare's clinician data lists 1 practice location in Forest Hills, NY. Call before your visit to confirm the address.
What is William Gesztes's specialty?
Medicare lists Pathology as the primary specialty.
Does William Gesztes accept Medicare assignment?
Yes. Medicare's clinician data says William Gesztes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for William Gesztes?
(718) 830-4000, as listed in official Medicare / NPI Registry data.
What is William Gesztes's NPI number?
1477016582. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William Gesztes works

Medicare's Facility Affiliation Data lists William Gesztes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William Gesztes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William Gesztes as a member of this group (CMS data updated 2026-10-02).

  • North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

Find other Pathology doctors in New York →

Other pathologists in Forest Hills

Clinicians with the same Medicare primary specialty in Forest Hills, NY — not a recommendation.

All pathologists in Forest Hills →

Clinician information

CredentialMD
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477016582
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians