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Internal Medicine

James D. Walter, MD

Works at hospitals in Grand Blanc, MI · Detroit, MI · Michigan

Summary

James D. Walter, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Grand Blanc, MI and Detroit, MI. NPI 1912009580. 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 James D. Walter, 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
36Years since medical school (graduated 1990)
University Of Michigan Medical SchoolMedical school
MaleGender (as listed)
Henry Ford Medical Group GenesysGroup practice

Quick answers

Which hospitals does James D. Walter work at?
Medicare's official clinician data lists James D. Walter at 2 hospitals: Ascension Genesys Hospital and Henry Ford Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James D. Walter see patients?
Medicare's clinician data lists 1 practice location in Davison, MI. Call before your visit to confirm the address.
What is James D. Walter's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does James D. Walter accept Medicare assignment?
Yes. Medicare's clinician data says James D. Walter 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 James D. Walter offer telehealth?
Medicare's clinician data says James D. Walter offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for James D. Walter?
(810) 653-4145, as listed in official Medicare / NPI Registry data.
What is James D. Walter's NPI number?
1912009580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James D. Walter works

Medicare's Facility Affiliation Data lists James D. Walter 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 James D. Walter is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Henry Ford Medical Group Genesys97 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Davison

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

All internal medicine doctors in Davison →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912009580
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