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

John Floyd Merrill, DO

Individual provider Family Medicine Physician · NPI 1992152326

John Floyd Merrill, DO is a Family Medicine Physician in Clarkston, Washington. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2016
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

1119 Highland Ave
Clarkston, WA 99403-2836
Phone: (509) 758-1450
Show map & directions

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

Additional practice locations (1)

  • 147 N Brent St, Ventura, CA 93003-2809 — (805) 652-5698

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A16056 (CA)

Record details

NPI number1992152326
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMay 16, 2016
Last updated in NPPESJuly 21, 2022
Certification dateAugust 18, 2021
Mailing addressPo Box 189, Clarkston, WA 99403-0189

Other providers in Clarkston