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Gastroenterology

John P. Milliken, MD

Works at hospitals in Kalkaska, MI · Cadillac, MI · Grayling, MI … · Michigan

Summary

John P. Milliken, MD (Gastroenterology) is listed by Medicare at 5 hospitals in Kalkaska, MI, Cadillac, MI and Grayling, MI and other places. NPI 1013048057. 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 John P. Milliken, 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
YesOffers telehealth
38Years since medical school (graduated 1988)
Wayne State University School Of MedicineMedical school
MaleGender (as listed)
Kalkaska Memorial Health CenterGroup practice

Quick answers

Which hospitals does John P. Milliken work at?
Medicare's official clinician data lists John P. Milliken at 5 hospitals: Kalkaska Memorial Health Center, Munson Healthcare Cadillac Hospital, Munson Healthcare Grayling Hospital, Munson Healthcare Otsego Memorial Hospital and Munson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John P. Milliken see patients?
Medicare's clinician data lists 4 practice locations, including Traverse City, MI and Kalkaska, MI. Call before your visit to confirm the address.
What is John P. Milliken's specialty?
Medicare lists Gastroenterology as the primary specialty.
Does John P. Milliken accept Medicare assignment?
Yes. Medicare's clinician data says John P. Milliken 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 John P. Milliken offer telehealth?
Medicare's clinician data says John P. Milliken offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for John P. Milliken?
(231) 258-7500, as listed in official Medicare / NPI Registry data.
What is John P. Milliken's NPI number?
1013048057. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John P. Milliken works

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

  • 224 Circle DrTraverse City, MI 49684
  • 224 Circle Dr, Suite ATraverse City, MI 49684
  • 224 Circle Dr ATraverse City, MI 49684
  • 419 S Coral StKalkaska, MI 49646 (231) 258‑7500

Group practices

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

  • Kalkaska Memorial Health Center58 clinicians in the group

Specialties

Find other Gastroenterology doctors in Michigan →

Other gastroenterologists in Traverse City

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

All gastroenterologists in Traverse City →

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1013048057
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