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

Dr. Bijan Nejadnik, MD

Individual provider Gastroenterology Physician · NPI 1285726646

Dr. Bijan Nejadnik, MD is a Gastroenterology Physician in San Ramon, 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

1295 Ustilago Dr
San Ramon, CA 94582-3071
Phone: (925) 234-0313
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

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A64970 (CA)

Record details

NPI number1285726646
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJuly 8, 2007

Other providers in San Ramon