Quick answers
- Which hospitals does Gary R. Katz work at?
- Medicare's official clinician data lists Gary R. Katz at 4 hospitals: Ascension Providence Hospital, Southfield and Novi…, Henry Ford Health Hospital, 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 R. Katz see patients?
- Medicare's clinician data lists 4 practice locations, including Warren, MI, Southfield, MI and Detroit, MI. Call before your visit to confirm the address.
- What is Gary R. Katz's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Gary R. Katz accept Medicare assignment?
- Yes. Medicare's clinician data says Gary R. Katz 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 R. Katz?
- (586) 573-5000, as listed in official Medicare / NPI Registry data.
- What is Gary R. Katz's NPI number?
- 1255329355. 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 R. Katz works
Medicare's Facility Affiliation Data lists Gary R. Katz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ascension Providence Hospital, Southfield and Novi…Southfield, MI · Acute Care Hospital · CCN 230019
- Henry Ford Health HospitalDetroit, MI · Acute Care Hospital · CCN 230053
- 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 R. Katz is enrolled with Medicare (CMS data updated 2026-10-02).
- 11800 E 12 Mile Rd, Ascension Macomb Oakland HospitalWarren, MI 48093 (586) 573‑5000
- 16001 W 9 Mile RdSouthfield, MI 48075 (248) 849‑3000
- 22101 Moross RdDetroit, MI 48236 (313) 343‑4000
- 27483 Dequindre Rd, Suite 301Madison Heights, MI 48071 (248) 546‑2600
Group practices
Medicare enrollment lists Gary R. Katz as a member of these groups (CMS data updated 2026-10-02).
- Michigan Healthcare Professionals PC529 clinicians in the group
- Henry Ford Health Providence Hospital375 clinicians in the group
- Henry Ford Health Macomb Oakland Hospital172 clinicians in the group
- Acute Care Surgeons PC15 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Warren
Clinicians with the same Medicare primary specialty in Warren, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1255329355 |
| 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