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

Gregory Rubin, MD

Individual provider Internal Medicine Physician · NPI 1326269721

Gregory Rubin, MD is an Internal Medicine in Portland, Oregon. Graduated from Albert Einstein College of Medicine of Yeshiva University in 2004, 22 years ago. Practices with Kaiser Foundation Health Plan of the Northwest, a 1,811-clinician group and accepts Medicare assignment. Licensed in Oregon and Washington.

Years since qualifying
22
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
OR, WA
In the registry since
2007
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

19500 SE Stark St
Portland, OR 97233-5757
Phone: (503) 669-3900
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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 MD27694 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60648472 (WA)

Record details

NPI number1326269721
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESDecember 17, 2025
Certification dateDecember 17, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 2004 (22 years in practice)
Group practice Kaiser Foundation Health Plan Of The Northwest — 1811 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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