Quick answers
- Which hospitals does Holly S. Cooper work at?
- Medicare's official clinician data lists Holly S. Cooper at 2 hospitals: Kadlec Regional Medical Center and Providence St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Holly S. Cooper see patients?
- Medicare's clinician data lists 3 practice locations, including Kennewick, WA, Walla Walla, WA and Richland, WA. Call before your visit to confirm the address.
- What is Holly S. Cooper's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Holly S. Cooper accept Medicare assignment?
- Yes. Medicare's clinician data says Holly S. Cooper 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 Holly S. Cooper?
- (925) 251-6961, as listed in official Medicare / NPI Registry data.
- What is Holly S. Cooper's NPI number?
- 1821039447. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Holly S. Cooper works
Medicare's Facility Affiliation Data lists Holly S. Cooper 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
- Providence St Mary Medical CenterWalla Walla, WA · Acute Care Hospital · CCN 500002
Practice locations
Addresses where Holly S. Cooper is enrolled with Medicare (CMS data updated 2026-10-02).
- 3290 W 19th AveKennewick, WA 99337 (925) 251‑6961
- 401 W Poplar StWalla Walla, WA 99362 (509) 897‑2500
- 888 Swift BlvdRichland, WA 99352 (509) 946‑4611
Group practices
Medicare enrollment lists Holly S. Cooper as a member of these groups (CMS data updated 2026-10-02).
- Northwest Emergency Physicians LLC271 clinicians in the group
- Providence Health and Services - Washington270 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Kennewick
Clinicians with the same Medicare primary specialty in Kennewick, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821039447 |
| 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