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Medical Oncology

Christopher W. Ryan, MD

Works at hospitals in Portland, OR · Oregon

Summary

Christopher W. Ryan, MD (Medical Oncology) is listed by Medicare at 1 hospital in Portland, OR. NPI 1033127584. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Christopher W. Ryan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
32Years since medical school (graduated 1994)
State University Of Ny Upstate Medical UniversityMedical school
MaleGender (as listed)
University Professional ServicesGroup practice

Quick answers

Which hospitals does Christopher W. Ryan work at?
Medicare's official clinician data lists Christopher W. Ryan at 1 hospital: OHSU Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Christopher W. Ryan see patients?
Medicare's clinician data lists 3 practice locations, including Beaverton, OR and Portland, OR. Call before your visit to confirm the address.
What is Christopher W. Ryan's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Christopher W. Ryan accept Medicare assignment?
Yes. Medicare's clinician data says Christopher W. Ryan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Christopher W. Ryan offer telehealth?
Medicare's clinician data says Christopher W. Ryan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Christopher W. Ryan?
(503) 494-8311, as listed in official Medicare / NPI Registry data.
What is Christopher W. Ryan's NPI number?
1033127584. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Christopher W. Ryan works

Medicare's Facility Affiliation Data lists Christopher W. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Christopher W. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Christopher W. Ryan as a member of this group (CMS data updated 2026-10-02).

  • University Professional Services1,724 clinicians in the group

Specialties

Find other Medical Oncology doctors in Oregon →

Other oncologists in Beaverton

Clinicians with the same Medicare primary specialty in Beaverton, OR — not a recommendation.

All oncologists in Beaverton →

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033127584
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians