Quick answers
- Which hospitals does Thomas R. Hartzell work at?
- Medicare's official clinician data lists Thomas R. Hartzell at 2 hospitals: 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 Thomas R. Hartzell see patients?
- Medicare's clinician data lists 1 practice location in Saint Clair Shores, MI. Call before your visit to confirm the address.
- What is Thomas R. Hartzell's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Thomas R. Hartzell accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas R. Hartzell 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 Thomas R. Hartzell?
- (810) 447-5100, as listed in official Medicare / NPI Registry data.
- What is Thomas R. Hartzell's NPI number?
- 1619966256. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas R. Hartzell works
Medicare's Facility Affiliation Data lists Thomas R. Hartzell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- 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 Thomas R. Hartzell is enrolled with Medicare (CMS data updated 2026-10-02).
- 21000 E 12 Mile Rd, Suite 102Saint Clair Shores, MI 48081 (810) 447‑5100
Group practices
Medicare enrollment lists Thomas R. Hartzell as a member of this group (CMS data updated 2026-10-02).
- Henry Ford Semi Medical Group240 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Saint Clair Shores
Clinicians with the same Medicare primary specialty in Saint Clair Shores, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619966256 |
| 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