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

Mason C Paas, MD

Individual provider Internal Medicine Physician · NPI 1386215986

Mason C Paas, MD is an Internal Medicine in Portland, Oregon. Graduated from University of Kentucky College of Medicine in 2022, 4 years ago. Practices with Providence Health and Services Oregon, a 1,426-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
4
Trained at
University of Kentucky College of Medicine
Licensed in
OR
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4805 NE Glisan St Ste BG12
Portland, OR 97213-2933
Phone: (503) 215-2392
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD225581 (OR)

Record details

NPI number1386215986
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2021
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF KENTUCKY COLLEGE OF MEDICINE
Graduated 2022 (4 years in practice)
Group practice Providence Health And Services Oregon — 1426 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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