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Family Practice

Mark A. Langlois, MD

Works at hospitals in Cadillac, MI · Traverse City, MI · Frankfort, MI · Michigan

Summary

Mark A. Langlois, MD (Family Practice) is listed by Medicare at 3 hospitals in Cadillac, MI, Traverse City, MI and Frankfort, MI. NPI 1295154656. 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 Mark A. Langlois, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
MaleGender (as listed)
Great Lakes Therapy Housecalls PCGroup practice

Quick answers

Which hospitals does Mark A. Langlois work at?
Medicare's official clinician data lists Mark A. Langlois at 3 hospitals: Munson Healthcare Cadillac Hospital, Munson Medical Center and Paul Oliver Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Langlois see patients?
Medicare's clinician data lists 1 practice location in Traverse City, MI. Call before your visit to confirm the address.
What is Mark A. Langlois's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mark A. Langlois accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Langlois 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 Mark A. Langlois?
(231) 941-8100, as listed in official Medicare / NPI Registry data.
What is Mark A. Langlois's NPI number?
1295154656. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Langlois works

Medicare's Facility Affiliation Data lists Mark A. Langlois 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 Mark A. Langlois is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark A. Langlois as a member of this group (CMS data updated 2026-10-02).

  • Great Lakes Therapy Housecalls PC73 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Traverse City

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

All family doctors in Traverse City →

Clinician information

CredentialMD
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295154656
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