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

John C Hadley, DO

Individual provider Family Medicine Physician · NPI 1508889320

John C Hadley, DO is a Family Medicine Physician in Dallas, Oregon. Practices as a sole proprietor. Licensed in Colorado and Oregon.

Licensed in
CO, OR
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

525 SE Washington St
Dallas, OR 97338
Phone: (503) 623-8301
Fax: (503) 623-7337
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence DO27341 (OR)
Family Medicine Physician Taxonomy 207Q00000X · Licence 25413 (CO)

Record details

NPI number1508889320
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 25, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 378, Dallas, OR 97338

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