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Gastroenterology

William D. Chey, MD

Works at hospitals in Ann Arbor, MI · Michigan

Summary

William D. Chey, MD (Gastroenterology) is listed by Medicare at 1 hospital in Ann Arbor, MI. NPI 1487736906. 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 D. Chey, 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
YesAccepts Medicare assignment
YesOffers telehealth
40Years since medical school (graduated 1986)
Emory University School Of MedicineMedical school
MaleGender (as listed)
Regents of the University of MichiganGroup practice

Quick answers

Which hospitals does William D. Chey work at?
Medicare's official clinician data lists William D. Chey at 1 hospital: University of Michigan Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William D. Chey see patients?
Medicare's clinician data lists 17 practice locations, including Ann Arbor, MI. Call before your visit to confirm the address.
What is William D. Chey's specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does William D. Chey accept Medicare assignment?
Yes. Medicare's clinician data says William D. Chey 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 William D. Chey offer telehealth?
Medicare's clinician data says William D. Chey offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for William D. Chey?
(734) 936-5738, as listed in official Medicare / NPI Registry data.
What is William D. Chey's NPI number?
1487736906. 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 D. Chey works

Medicare's Facility Affiliation Data lists William D. Chey 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 D. Chey is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 17; the Medicare profile lists all.

Group practices

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

  • Regents of the University of Michigan3,346 clinicians in the group

Specialties

Find other Gastroenterology doctors in Michigan →

Other gastroenterologists in Ann Arbor

Clinicians with the same Medicare primary specialty in Ann Arbor, MI — not a recommendation.

All gastroenterologists in Ann Arbor →

Clinician information

CredentialMD
Medical schoolEmory University School Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1487736906
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