Quick answers
- Which hospitals does Jonathan P. Crosier work at?
- Medicare's official clinician data lists Jonathan P. Crosier at 5 hospitals: Columbia Basin Hospital, Dayton General Hospital, Lincoln Hospital, Quincy Valley Medical Center and Whitman Hospital and Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan P. Crosier see patients?
- Medicare's clinician data lists 3 practice locations, including Dayton, WA, Ephrata, WA and Quincy, WA. Call before your visit to confirm the address.
- What is Jonathan P. Crosier's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Jonathan P. Crosier accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan P. Crosier 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 Jonathan P. Crosier?
- (509) 382-2531, as listed in official Medicare / NPI Registry data.
- What is Jonathan P. Crosier's NPI number?
- 1366533481. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan P. Crosier works
Medicare's Facility Affiliation Data lists Jonathan P. Crosier at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Columbia Basin HospitalEphrata, WA · Critical Access Hospital · CCN 501317
- Dayton General HospitalDayton, WA · Critical Access Hospital · CCN 501302
- Lincoln HospitalDavenport, WA · Critical Access Hospital · CCN 501305
- Quincy Valley Medical CenterQuincy, WA · Critical Access Hospital · CCN 501320
- Whitman Hospital and Medical CenterColfax, WA · Critical Access Hospital · CCN 501327
Practice locations
Addresses where Jonathan P. Crosier is enrolled with Medicare (CMS data updated 2026-10-02).
- 1012 S 3rd StDayton, WA 99328 (509) 382‑2531
- 200 Nat Washington Way, Columbia Basin HospitalEphrata, WA 98823 (509) 754‑4631
- 908 10th Ave SWQuincy, WA 98848 (509) 787‑3531
Group practices
Medicare enrollment lists Jonathan P. Crosier as a member of these groups (CMS data updated 2026-10-02).
- Grant County Public Hospital District No. 368 clinicians in the group
- Columbia County Hospital District51 clinicians in the group
- Grant County Hospital District No. 29 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Dayton
Clinicians with the same Medicare primary specialty in Dayton, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366533481 |
| 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