Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Sierra Robertson

Individual provider Physician Assistant · NPI 1457937724

Sierra Robertson is a Physician Assistant in Walla Walla, Washington. Qualified in 2020, 6 years ago. Practices with Providence Health and Services - Washington, a 264-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
6
Licensed in
WA
In the registry since
2021

Practice location Address checks out

401 W Poplar St
Walla Walla, WA 99362-2846
Phone: (509) 897-3320
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA.61129971 (WA)

Record details

NPI number1457937724
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 18, 2021
Last updated in NPPESMarch 18, 2021
Certification dateMarch 18, 2021
Mailing address751 Grandview Ave, College Place, WA 99324-1436

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Providence Health And Services - Washington — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Walla Walla