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

Katharine M Mason-Ellis, PA-C

Individual provider Physician Assistant · NPI 1174047393

Katharine M Mason-Ellis, PA-C is a Physician Assistant in Clackamas, Oregon. Qualified in 2017, 9 years ago. Practices with Portland Adventist Medical Center, a 272-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon and Washington.

Years since qualifying
9
Licensed in
OR, WA
In the registry since
2017
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

10151 SE Sunnyside Rd Ste 100
Clackamas, OR 97015-5705
Phone: (503) 659-0880
Fax: (503) 513-7425
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence PA202574 (OR)
Physician Assistant Taxonomy 363A00000X · Licence PA60779453 (WA)

Record details

NPI number1174047393
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 30, 2017
Last updated in NPPESApril 28, 2025
Certification dateApril 28, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Portland Adventist Medical Center — 272 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Clackamas