Quick answers
- Which hospitals does Gregory K. Terpstra work at?
- Medicare's official clinician data lists Gregory K. Terpstra at 5 hospitals: Mercy Hospital Jefferson, Palos Community Hospital, Parkland Health Center, Parkland Health Center - Bonne Terre and Washington County Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory K. Terpstra see patients?
- Medicare's clinician data lists 1 practice location in Potosi, MO. Call before your visit to confirm the address.
- What is Gregory K. Terpstra's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Gregory K. Terpstra accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory K. Terpstra 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 K. Terpstra?
- (573) 438-3660, as listed in official Medicare / NPI Registry data.
- What is Gregory K. Terpstra's NPI number?
- 1952399792. 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 K. Terpstra works
Medicare's Facility Affiliation Data lists Gregory K. Terpstra at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · CCN 260023
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
- Parkland Health CenterFarmington, MO · Acute Care Hospital · CCN 260163
- Parkland Health Center - Bonne TerreBonne Terre, MO · Rural Emergency Hospital · CCN 260779
- Washington County Memorial HospitalPotosi, MO · Critical Access Hospital · CCN 261308
Practice locations
Addresses where Gregory K. Terpstra is enrolled with Medicare (CMS data updated 2026-10-02).
- 612 E High St, Suite 210Potosi, MO 63664 (573) 438‑3660
Specialties
- Family Practiceprimary
Other family doctors in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952399792 |
| 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