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Gastroenterology

John F. Walling Jr., DO

Sees patients in East Lansing, MI · Michigan

Summary

John F. Walling Jr., DO (Gastroenterology) is enrolled with Medicare at 1 practice location in East Lansing, MI. NPI 1073579512. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John F. Walling Jr., 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
40Years since medical school (graduated 1986)
R Franklin University Of Med & Sci/chicago Medical SchoolMedical school
MaleGender (as listed)
Troy Gastroenterology PCGroup practice

Quick answers

Where does John F. Walling Jr. see patients?
Medicare's clinician data lists 1 practice location in East Lansing, MI. Call before your visit to confirm the address.
What is John F. Walling Jr.'s specialty?
Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
Does John F. Walling Jr. accept Medicare assignment?
Yes. Medicare's clinician data says John F. Walling Jr. 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 John F. Walling Jr.?
(517) 332-1200, as listed in official Medicare / NPI Registry data.
What is John F. Walling Jr.'s NPI number?
1073579512. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where John F. Walling Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John F. Walling Jr. as a member of this group (CMS data updated 2026-10-02).

  • Troy Gastroenterology PC49 clinicians in the group

Specialties

Find other Gastroenterology doctors in Michigan →

Other gastroenterologists in East Lansing

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

All gastroenterologists in East Lansing →

Clinician information

CredentialDO
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073579512
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians