Quick answers
- Which hospitals does Phillip Merrill work at?
- Medicare's official clinician data lists Phillip Merrill at 2 hospitals: Kadlec Regional Medical Center and Prosser Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Phillip Merrill see patients?
- Medicare's clinician data lists 3 practice locations, including Prosser, WA, Kennewick, WA and Richland, WA. Call before your visit to confirm the address.
- What is Phillip Merrill's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Phillip Merrill accept Medicare assignment?
- Yes. Medicare's clinician data says Phillip Merrill 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 Phillip Merrill?
- (509) 788-6022, as listed in official Medicare / NPI Registry data.
- What is Phillip Merrill's NPI number?
- 1124680095. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Phillip Merrill works
Medicare's Facility Affiliation Data lists Phillip Merrill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kadlec Regional Medical CenterRichland, WA · Acute Care Hospital · CCN 500058
- Prosser Memorial HospitalProsser, WA · Critical Access Hospital · CCN 501312
Practice locations
Addresses where Phillip Merrill is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Prosser Health DrProsser, WA 99350 (509) 788‑6022
- 3290 W 19th AveKennewick, WA 99337 (925) 251‑6961
- 888 Swift BlvdRichland, WA 99352 (509) 946‑4611
Group practices
Medicare enrollment lists Phillip Merrill as a member of these groups (CMS data updated 2026-10-02).
- Northwest Emergency Physicians LLC271 clinicians in the group
- Prosser Public Hospital District of Benton County109 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Prosser
Clinicians with the same Medicare primary specialty in Prosser, WA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124680095 |
| 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