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

Dr. Jana Tomsky, MD

Individual provider Family Medicine Physician · NPI 1346308798

Dr. Jana Tomsky, MD is a Family Medicine Physician in Clayton, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

5439 Clayton Rd Ste B
Clayton, CA 94517-1076
Phone: (925) 672-6744
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A84411 (CA)

Record details

NPI number1346308798
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 5, 2006
Last updated in NPPESMarch 27, 2018

Other providers in Clayton