Quick answers
- Which hospitals does Jennifer C. Williams work at?
- Medicare's official clinician data lists Jennifer C. Williams at 1 hospital: Yakima Valley Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jennifer C. Williams see patients?
- Medicare's clinician data lists 1 practice location in Yakima, WA. Call before your visit to confirm the address.
- What is Jennifer C. Williams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jennifer C. Williams accept Medicare assignment?
- Medicare's clinician data says Jennifer C. Williams may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Jennifer C. Williams?
- (509) 966-7899, as listed in official Medicare / NPI Registry data.
- What is Jennifer C. Williams's NPI number?
- 1003007279. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jennifer C. Williams works
Medicare's Facility Affiliation Data lists Jennifer C. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Yakima Valley MemorialYakima, WA · Acute Care Hospital · CCN 500036
Practice locations
Addresses where Jennifer C. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 3911 Castlevale RdYakima, WA 98902 (509) 966‑7899
Group practices
Medicare enrollment lists Jennifer C. Williams as a member of this group (CMS data updated 2026-10-02).
- Yakima Valley Dermatology Inc PS8 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Yakima
Clinicians with the same Medicare primary specialty in Yakima, WA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1003007279 |
| 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