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

Ronald U Vallejo, MD

Individual provider Emergency Medicine Physician · NPI 1255381422

Ronald U Vallejo, MD is an Internal Medicine in Corvallis, Oregon. Qualified in 1988, 38 years ago. Practices with Portland Clinic, a 93-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
38
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

3680 NW Samaritan Dr
Corvallis, OR 97330-3737
Phone: (541) 754-1150
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD25582 (OR)

Record details

NPI number1255381422
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESJune 5, 2009
Mailing address444 Nw Elks Dr, Corvallis, OR 97330-3745

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Portland Clinic — 93 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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