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Gastroenterology

William G. Mitchell, MD

Works at hospitals in Bronx, NY · New York

Summary

William G. Mitchell, MD (Gastroenterology) is listed by Medicare at 1 hospital in Bronx, NY. NPI 1538629621. 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 G. Mitchell, 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

GastroenterologyPrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
7Years since medical school (graduated 2019)
Albert Einstein College Of Medicine Of Yeshiva UniversityMedical school
MaleGender (as listed)
Montefiore Medical CenterGroup practice

Quick answers

Which hospitals does William G. Mitchell work at?
Medicare's official clinician data lists William G. Mitchell at 1 hospital: Montefiore Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William G. Mitchell see patients?
Medicare's clinician data lists 2 practice locations, including Bronx, NY. Call before your visit to confirm the address.
What is William G. Mitchell's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does William G. Mitchell accept Medicare assignment?
Medicare's clinician data says William G. Mitchell may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does William G. Mitchell offer telehealth?
Medicare's clinician data says William G. Mitchell offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for William G. Mitchell?
(914) 378-6148, as listed in official Medicare / NPI Registry data.
What is William G. Mitchell's NPI number?
1538629621. 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 G. Mitchell works

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

Group practices

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

  • Montefiore Medical Center2,820 clinicians in the group

Specialties

Find other Gastroenterology doctors in New York →

Other gastroenterologists in Bronx

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

All gastroenterologists in Bronx →

Clinician information

CredentialMD
Medical schoolAlbert Einstein College Of Medicine Of Yeshiva University
Graduation year2019
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1538629621
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