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

Michael J Clayton, MD

Individual provider Internal Medicine Physician · NPI 1497785786

Michael J Clayton, MD is an Internal Medicine Physician in Portland, Oregon. Licensed in Oregon. Registered with an NPI since 2006.

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

4805 NE Glisan St Ste BG05
Portland, OR 97213-2933
Phone: (503) 215-2392
Fax: (503) 215-6918
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD24189 (OR)

Record details

NPI number1497785786
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 3, 2006
Last updated in NPPESJune 2, 2008
Mailing addressPo Box 3178, Portland, OR 97208-3178

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