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

MS. Andrea Loran Matsumura, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1487761136

MS. Andrea Loran Matsumura, MD is an Internal Medicine in Portland, Oregon. Qualified in 1999, 27 years ago. Practices with Cascadia Health, a 62-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
27
Licensed in
OR
In the registry since
2006
Specialties on file
2
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

3036 NE Mlk Jr Blvd
Portland, OR 97212-3053
Phone: (503) 283-3763
Show map & directions

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

Additional practice locations (3)

  • 12360 Se Sunnyside Rd, Clackamas, OR 97015-9320 — (503) 303-4000
  • 4212 Se Division St Ste 100, Portland, OR 97206-1680 — (503) 238-0705
  • 10373 Ne Hancock St Ste 125, Portland, OR 97220-3873 — (503) 253-6754

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD22819 (OR)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence MD22819 (OR)

Record details

NPI number1487761136
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESSeptember 9, 2024
Certification dateSeptember 9, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Cascadia Health — 62 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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