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Cardiovascular Disease (Cardiology)

Robert A. Williams, DO

Works at hospitals in Kalamazoo, MI · Battle Creek, MI · Paw Paw, MI … · Michigan

Summary

Robert A. Williams, DO (Cardiovascular Disease (Cardiology)) is listed by Medicare at 5 hospitals in Kalamazoo, MI, Battle Creek, MI and Paw Paw, MI and other places. NPI 1730109778. 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 Robert 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

Cardiovascular Disease (Cardiology)Primary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
Michigan State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Bronson Methodist HospitalGroup practice (+3 more)

Quick answers

Which hospitals does Robert A. Williams work at?
Medicare's official clinician data lists Robert A. Williams at 5 hospitals: Borgess Medical Center, Bronson Battle Creek Hospital, Bronson Lakeview Hospital, Bronson Methodist Hospital and Bronson South Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert A. Williams see patients?
Medicare's clinician data lists 22 practice locations, including Vicksburg, MI, Portage, MI and Battle Creek, MI. Call before your visit to confirm the address.
What is Robert A. Williams's specialty?
Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine.
Does Robert A. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Robert 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.
What is the phone number for Robert A. Williams?
(269) 649-2012, as listed in official Medicare / NPI Registry data.
What is Robert A. Williams's NPI number?
1730109778. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert A. Williams works

Medicare's Facility Affiliation Data lists Robert 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 Robert A. Williams is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 22; the Medicare profile lists all.

Group practices

Medicare enrollment lists Robert A. Williams as a member of these groups (CMS data updated 2026-10-02).

  • Bronson Methodist Hospital729 clinicians in the group
  • Bronson Battle Creek Hospital193 clinicians in the group
  • Bronson Lakeview Hospital76 clinicians in the group
  • Bronson South Haven Hospital39 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Michigan →

Other cardiologists in Vicksburg

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

All cardiologists in Vicksburg →

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730109778
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