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

Individual provider Medical Oncology Physician · NPI 1033127584

Christopher Walter Ryan, MD is a Medical Oncology in Portland, Oregon. Graduated from State University of Ny Upstate Medical University in 1994, 32 years ago. Practices with University Professional Services, a 1,704-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
32
Trained at
State University of Ny Upstate Medical University
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

3303 SW Bond Ave 7th Fl
Portland, OR 97239-4501
Phone: (503) 494-6594
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD24250 (OR)

Record details

NPI number1033127584
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2006
Last updated in NPPESSeptember 18, 2017

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1994 (32 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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