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

Mrs. Melissa Johnson Rhyasen, PA

Individual provider Medical Physician Assistant · NPI 1336411412

Mrs. Melissa Johnson Rhyasen, PA is a Physician Assistant in Lake Oswego, Oregon. Qualified in 2013, 13 years ago. Practices with Clear Choice Dermatology, a 48-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
13
Licensed in
OR
In the registry since
2012
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Practice location Address checks out

123 C Ave
Lake Oswego, OR 97034-2353
Phone: (503) 905-9006
Show map & directions

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

Additional practice locations (3)

  • 349 Se 7th Ave, Hillsboro, OR 97123-4112 — (503) 905-9006
  • 966 12th St Se Ste 130, Salem, OR 97302-2860 — (503) 905-9006
  • 1815 Hudson St, Longview, WA 98632-2913 — (503) 905-9006

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence PA179385 (OR)

Record details

NPI number1336411412
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedFebruary 3, 2012
Last updated in NPPESDecember 23, 2024
Certification dateDecember 16, 2024

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Clear Choice Dermatology — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Lake Oswego