Quick answers
- Which hospitals does Gregory E. Stempky work at?
- Medicare's official clinician data lists Gregory E. Stempky at 3 hospitals: Spectrum Health, Trinity Health Grand Haven Hospital and Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory E. Stempky see patients?
- Medicare's clinician data lists 1 practice location in Spring Lake, MI. Call before your visit to confirm the address.
- What is Gregory E. Stempky's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gregory E. Stempky accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory E. Stempky 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 E. Stempky?
- (616) 296-2062, as listed in official Medicare / NPI Registry data.
- What is Gregory E. Stempky's NPI number?
- 1639123557. 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 E. Stempky works
Medicare's Facility Affiliation Data lists Gregory E. Stempky at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
- Trinity Health Grand Haven HospitalGrand Haven, MI · Acute Care Hospital · CCN 230174
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · CCN 230066
Practice locations
Addresses where Gregory E. Stempky is enrolled with Medicare (CMS data updated 2026-10-02).
- 17202 Van Wagoner RdSpring Lake, MI 49456 (616) 296‑2062
Specialties
- Family Practiceprimary
Other family doctors in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639123557 |
| 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