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

Dr. Arnold L Petersen II, MD

Individual provider Family Medicine Physician · NPI 1154409316

Dr. Arnold L Petersen II, MD is a Gynecological Oncology in Portland, Oregon. Graduated from Loma Linda University School of Medicine in 1966, 60 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
60
Trained at
Loma Linda University School of Medicine
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

10101 SE Main St Ste 2001
Portland, OR 97216-2457
Phone: (503) 256-0890
Fax: (503) 255-2150
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 07945 (OR)
Family Medicine Physician Taxonomy 207Q00000X · Licence 07945 (OR)

Record details

NPI number1154409316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 2, 2006
Last updated in NPPESJanuary 15, 2025
Certification dateJanuary 15, 2025

Medicare enrollment

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

Medicare specialtyGYNECOLOGICAL ONCOLOGY
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1966 (60 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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