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

Mr. John Grigsby, ATC

Individual provider Athletic Trainer · NPI 1134661838

Mr. John Grigsby, ATC is an Athletic Trainer in Orinda, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016
What do these letters mean?
ATC — Certified Athletic Trainer
Prevents and treats sport and activity injuries.

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Practice location Address checks out

750 Moraga Way
Orinda, CA 94563-4330
Phone: (925) 280-3930
Fax: (925) 280-3931
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Athletic Trainer (primary) Taxonomy 2255A2300X · Licence 040502063 (CA)

Record details

NPI number1134661838
Entity typeIndividual (Type 1)
GenderMale
Credentials ATC
Sole proprietorYes
NPI enumeratedNovember 11, 2016
Last updated in NPPESNovember 11, 2016

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