Quick answers
- Where does John M. Hackenberger see patients?
- Medicare's clinician data lists 1 practice location in Warren, MI. Call before your visit to confirm the address.
- What is John M. Hackenberger's specialty?
- Medicare lists Maxillofacial Surgery as the primary specialty, and also Oral Surgery.
- Does John M. Hackenberger accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Hackenberger 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 M. Hackenberger?
- (586) 755-9340, as listed in official Medicare / NPI Registry data.
- What is John M. Hackenberger's NPI number?
- 1790730406. 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 M. Hackenberger is enrolled with Medicare (CMS data updated 2026-10-02).
- 29427 Ryan RdWarren, MI 48092 (586) 755‑9340
Group practices
Medicare enrollment lists John M. Hackenberger as a member of this group (CMS data updated 2026-10-02).
- Summit Oral and Maxillofacial Surgery PC7 clinicians in the group
Specialties
- Maxillofacial Surgeryprimary
- Oral Surgeryalso
Other maxillofacial surgeons in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | DDS |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790730406 |
| 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
- 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