Quick answers
- Which hospitals does Sydney D. Phelps work at?
- Medicare's official clinician data lists Sydney D. Phelps at 1 hospital: Providence Centralia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sydney D. Phelps see patients?
- Medicare's clinician data lists 3 practice locations, including Centralia, WA and Olympia, WA. Call before your visit to confirm the address.
- What is Sydney D. Phelps's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Sydney D. Phelps accept Medicare assignment?
- Yes. Medicare's clinician data says Sydney D. Phelps 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 Sydney D. Phelps?
- (360) 827-8100, as listed in official Medicare / NPI Registry data.
- What is Sydney D. Phelps's NPI number?
- 1619757747. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sydney D. Phelps works
Medicare's Facility Affiliation Data lists Sydney D. Phelps at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Centralia HospitalCentralia, WA · Acute Care Hospital · CCN 500019
Practice locations
Addresses where Sydney D. Phelps is enrolled with Medicare (CMS data updated 2026-10-02).
- 1720 Cooks Hill RdCentralia, WA 98531 (360) 827‑8100
- 525 Lilly Rd NEOlympia, WA 98506
- 914 S Scheuber RdCentralia, WA 98531 (360) 736‑2803
Group practices
Medicare enrollment lists Sydney D. Phelps as a member of this group (CMS data updated 2026-10-02).
- Providence Health and Services Washington475 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Centralia
Clinicians with the same Medicare primary specialty in Centralia, WA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619757747 |
| 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