Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Josiah Odhiambo Owinyo, PA-C

Individual provider Surgical Physician Assistant · NPI 1114575966

Josiah Odhiambo Owinyo, PA-C is a Physician Assistant in Issaquah, Washington. Qualified in 2019, 7 years ago. Practices with Swedish Health Services, a 1,045-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
7
Licensed in
WA
In the registry since
2019
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

751 NE Blakely Dr Ste 4020
Issaquah, WA 98029-6201
Phone: (425) 313-7124
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA60995870 (WA)

Record details

NPI number1114575966
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 26, 2019
Last updated in NPPESJanuary 10, 2020
Certification dateJanuary 10, 2020

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Swedish Health Services — 1045 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients47
Services billed 71 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Swedish Issaquah Hospital · Issaquah, WA

Colleagues at Swedish Health Services

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1045 clinicians in the practice; 12 are shown here.

Other providers in Issaquah