Quick answers
- Which hospitals does Gregory S. Washington work at?
- Medicare's official clinician data lists Gregory S. Washington at 1 hospital: Detroit Receiving Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory S. Washington see patients?
- Medicare's clinician data lists 2 practice locations, including Detroit, MI. Call before your visit to confirm the address.
- What is Gregory S. Washington's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Gregory S. Washington accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory S. Washington 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 Gregory S. Washington?
- (800) 527-6266, as listed in official Medicare / NPI Registry data.
- What is Gregory S. Washington's NPI number?
- 1568679314. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory S. Washington works
Medicare's Facility Affiliation Data lists Gregory S. Washington at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Detroit Receiving HospitalDetroit, MI · Acute Care Hospital · CCN 230273
Practice locations
Addresses where Gregory S. Washington is enrolled with Medicare (CMS data updated 2026-10-02).
- 4100 John R StDetroit, MI 48201 (800) 527‑6266
- 4201 Saint Antoine StDetroit, MI 48201
Group practices
Medicare enrollment lists Gregory S. Washington as a member of this group (CMS data updated 2026-10-02).
- University Physician Group403 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Detroit
Clinicians with the same Medicare primary specialty in Detroit, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568679314 |
| 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