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

Masuma Chowdhury, MD

Individual provider Internal Medicine Physician · NPI 1861572604

Masuma Chowdhury, MD is an Internal Medicine in Hillsboro, Oregon. Qualified in 1994, 32 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
32
Licensed in
OR
In the registry since
2006
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

364 SE 8th Ave Ste 301
Hillsboro, OR 97123-4253
Phone: (503) 681-4233
Fax: (503) 681-4234
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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 MD26859 (OR)

Record details

NPI number1861572604
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 16, 2006
Last updated in NPPESMay 19, 2008

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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