Quick answers
- Which hospitals does Gregory G. Green work at?
- Medicare's official clinician data lists Gregory G. Green at 1 hospital: Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory G. Green see patients?
- Medicare's clinician data lists 1 practice location in Muskegon, MI. Call before your visit to confirm the address.
- What is Gregory G. Green's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Gregory G. Green accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory G. Green 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.
- Does Gregory G. Green offer telehealth?
- Medicare's clinician data says Gregory G. Green offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory G. Green?
- (231) 724-1111, as listed in official Medicare / NPI Registry data.
- What is Gregory G. Green's NPI number?
- 1780673525. 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 G. Green works
Medicare's Facility Affiliation Data lists Gregory G. Green at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · CCN 230066
Practice locations
Addresses where Gregory G. Green is enrolled with Medicare (CMS data updated 2026-10-02).
- 376 E Apple AveMuskegon, MI 49442 (231) 724‑1111
Group practices
Medicare enrollment lists Gregory G. Green as a member of this group (CMS data updated 2026-10-02).
- County of Muskegon37 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Muskegon
Clinicians with the same Medicare primary specialty in Muskegon, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780673525 |
| 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