Quick answers
- Which hospitals does Gary B. Langnas work at?
- Medicare's official clinician data lists Gary B. Langnas at 5 hospitals: Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak, Beaumont Hospital, Troy, Henry Ford Health St John Hospital and Henry Ford Health Warren Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary B. Langnas see patients?
- Medicare's clinician data lists 2 practice locations, including Macomb, MI and Madison Heights, MI. Call before your visit to confirm the address.
- What is Gary B. Langnas's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gary B. Langnas accept Medicare assignment?
- Yes. Medicare's clinician data says Gary B. Langnas 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 Gary B. Langnas?
- (313) 647-3900, as listed in official Medicare / NPI Registry data.
- What is Gary B. Langnas's NPI number?
- 1063496818. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary B. Langnas works
Medicare's Facility Affiliation Data lists Gary B. Langnas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Beaumont Hospital - Grosse PointeGrosse Pointe, MI · Acute Care Hospital · CCN 230089
- Beaumont Hospital Royal OakRoyal Oak, MI · Acute Care Hospital · CCN 230130
- Beaumont Hospital, TroyTroy, MI · Acute Care Hospital · CCN 230269
- Henry Ford Health St John HospitalDetroit, MI · Acute Care Hospital · CCN 230165
- Henry Ford Health Warren HospitalWarren, MI · Acute Care Hospital · CCN 230195
Practice locations
Addresses where Gary B. Langnas is enrolled with Medicare (CMS data updated 2026-10-02).
- 17900 23 Mile RdMacomb, MI 48044 (313) 647‑3900
- 27483 Dequindre Rd, Suite 302Madison Heights, MI 48071 (248) 547‑6600
Group practices
Medicare enrollment lists Gary B. Langnas as a member of these groups (CMS data updated 2026-10-02).
- Michigan Healthcare Professionals PC529 clinicians in the group
- Henry Ford Semi Medical Group240 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Macomb
Clinicians with the same Medicare primary specialty in Macomb, MI — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063496818 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians