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

Dr. William D Ryan, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1659694735

Dr. William D Ryan, MD is a Pathology in Portland, Oregon. Graduated from George Washington University School of Medicine in 2006, 20 years ago. Practices with Providence Health and Services - Oregon, a 61-clinician group and accepts Medicare assignment. Licensed in Arizona, California, Oregon and Washington.

Years since qualifying
20
Trained at
George Washington University School of Medicine
Licensed in
AZ, CA, OR, WA
In the registry since
2010
Specialties on file
4
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

9205 SW Barnes Rd Pathology
Portland, OR 97225-6603
Phone: (503) 216-7525
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence MD.169500 (OR)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence A102681 (CA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence 46100 (AZ)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence MD.60491105 (WA)

Record details

NPI number1659694735
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 3, 2010
Last updated in NPPESApril 17, 2016
Mailing address4400 Ne Halsey St, Bldg. 3, Portland, OR 97213-1545

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Providence Health And Services - Oregon — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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