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

Dr. Joanne Helen Mayhew, DO

Individual provider Family Medicine Physician · NPI 1649369729

Dr. Joanne Helen Mayhew, DO is a Family Medicine Physician in Olympia, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
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.

See every abbreviation used in this directory →

Practice location Address checks out

1607 Cooper Point Rd NW
Olympia, WA 98502-8325
Phone: (360) 866-4445
Fax: (360) 866-4577
Show map & directions

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

Specialties & licences

Sports Medicine (Family Medicine) Physician (primary) Taxonomy 207QS0010X · Licence OP00001622 (WA)
Family Medicine Physician Taxonomy 207Q00000X · Licence OP00001622 (WA)

Record details

NPI number1649369729
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 12, 2006
Last updated in NPPESSeptember 11, 2025

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