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Internal Medicine

Stephen A. Williams, MD

Works at hospitals in Farmington Hills, MI · Grosse Pointe, MI · Royal Oak, MI … · Michigan

Summary

Stephen A. Williams, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Farmington Hills, MI, Grosse Pointe, MI and Royal Oak, MI and other places. NPI 1962464982. 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 Stephen A. Williams, 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
31Years since medical school (graduated 1995)
Wayne State University School Of MedicineMedical school
MaleGender (as listed)
Mandy Care, LLCGroup practice

Quick answers

Which hospitals does Stephen A. Williams work at?
Medicare's official clinician data lists Stephen A. Williams at 4 hospitals: Beaumont Hospital - Farmington Hills, Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak and Beaumont Hospital, Troy. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephen A. Williams see patients?
Medicare's clinician data lists 2 practice locations, including Troy, MI and West Bloomfield, MI. Call before your visit to confirm the address.
What is Stephen A. Williams's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Stephen A. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Stephen A. Williams 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 Stephen A. Williams offer telehealth?
Medicare's clinician data says Stephen A. Williams offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Stephen A. Williams?
(248) 688-0917, as listed in official Medicare / NPI Registry data.
What is Stephen A. Williams's NPI number?
1962464982. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen A. Williams works

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

Group practices

Medicare enrollment lists Stephen A. Williams as a member of this group (CMS data updated 2026-10-02).

  • Mandy Care, LLC7 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Troy

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

All internal medicine doctors in Troy →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962464982
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