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Internal Medicine

Gary Zeitlin, MD

Works at hospitals in Valhalla, NY · White Plains, NY · New York

Summary

Gary Zeitlin, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Valhalla, NY and White Plains, NY. NPI 1578510848. 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 Gary Zeitlin, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
26Years since medical school (graduated 2000)
State University Of New York At Stony Brook, School Of MedicineMedical school
MaleGender (as listed)
White Plains Physician Services PCGroup practice

Quick answers

Which hospitals does Gary Zeitlin work at?
Medicare's official clinician data lists Gary Zeitlin at 2 hospitals: Westchester Medical Center and White Plains Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gary Zeitlin see patients?
Medicare's clinician data lists 5 practice locations, including White Plains, NY, Mount Kisco, NY and Harrison, NY. Call before your visit to confirm the address.
What is Gary Zeitlin's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
Does Gary Zeitlin accept Medicare assignment?
Yes. Medicare's clinician data says Gary Zeitlin 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.
Does Gary Zeitlin offer telehealth?
Medicare's clinician data says Gary Zeitlin offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Gary Zeitlin?
(914) 242-2020, as listed in official Medicare / NPI Registry data.
What is Gary Zeitlin's NPI number?
1578510848. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gary Zeitlin works

Medicare's Facility Affiliation Data lists Gary Zeitlin 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 Gary Zeitlin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • White Plains Physician Services PC386 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in White Plains

Clinicians with the same Medicare primary specialty in White Plains, NY — not a recommendation.

All internal medicine doctors in White Plains →

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578510848
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