Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Dr. William D Ryan, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1659694735

Dr. William D Ryan, MD practises 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 Not confirmed with CMS for 10 years — call before visiting
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

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

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients302
Services billed 1,243 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Providence Health and Services - Oregon

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 61 clinicians in the practice; 12 are shown here.

Other providers in Portland