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Emergency Medicine

Michael P. Williams, MD

Works at hospitals in Kalamazoo, MI · Michigan

Summary

Michael P. Williams, MD (Emergency Medicine) is listed by Medicare at 1 hospital in Kalamazoo, MI. NPI 1033158183. 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 Michael P. 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Minnesota Medical SchoolMedical school
MaleGender (as listed)
Ascension Medical Group PromedGroup practice

Quick answers

Which hospitals does Michael P. Williams work at?
Medicare's official clinician data lists Michael P. Williams at 1 hospital: Borgess Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael P. Williams see patients?
Medicare's clinician data lists 1 practice location in Kalamazoo, MI. Call before your visit to confirm the address.
What is Michael P. Williams's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Michael P. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Michael P. 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.
What is the phone number for Michael P. Williams?
(269) 226-5165, as listed in official Medicare / NPI Registry data.
What is Michael P. Williams's NPI number?
1033158183. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael P. Williams works

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

Group practices

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

  • Ascension Medical Group Promed262 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Michigan →

Other emergency medicine doctors in Kalamazoo

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

All emergency medicine doctors in Kalamazoo →

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1033158183
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