Quick answers
- Which hospitals does Peter S. Park work at?
- Medicare's official clinician data lists Peter S. Park at 1 hospital: Prosser Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter S. Park see patients?
- Medicare's clinician data lists 5 practice locations, including Grandview, WA and Prosser, WA. Call before your visit to confirm the address.
- What is Peter S. Park's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Peter S. Park accept Medicare assignment?
- Yes. Medicare's clinician data says Peter S. Park 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 Peter S. Park?
- (509) 203-1080, as listed in official Medicare / NPI Registry data.
- What is Peter S. Park's NPI number?
- 1154937241. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter S. Park works
Medicare's Facility Affiliation Data lists Peter S. Park at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Prosser Memorial HospitalProsser, WA · Critical Access Hospital · CCN 501312
Practice locations
Addresses where Peter S. Park is enrolled with Medicare (CMS data updated 2026-10-02).
- 1003 Wallace WayGrandview, WA 98930 (509) 203‑1080
- 200 Prosser Health DrProsser, WA 99350 (509) 788‑6022
- 336 Chardonnay AveProsser, WA 99350
- 723 Memorial StProsser, WA 99350
- 820 Memorial St, Suite 3Prosser, WA 99350
Group practices
Medicare enrollment lists Peter S. Park as a member of this group (CMS data updated 2026-10-02).
- Prosser Public Hospital District of Benton County109 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Grandview
Clinicians with the same Medicare primary specialty in Grandview, WA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154937241 |
| 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