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

Dr. William J Byrne, MD

Individual provider Specialist · NPI 1851496798

Dr. William J Byrne, MD is a Specialist in Portland, Oregon. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
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

707 SW Gaines St
Portland, OR 97239-2901
Phone: (503) 494-1078
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence G25209 (CA)

Record details

NPI number1851496798
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 14, 2006
Last updated in NPPESDecember 13, 2011

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