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

Dr. Douglas S Demartinis, MD

Individual provider Family Medicine Physician · NPI 1699797993

Dr. Douglas S Demartinis, MD is a Family Medicine Physician in Stockton, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1800 N California St
Stockton, CA 95204-6019
Phone: (209) 467-6444
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G45266 (CA)
Family Medicine Physician Taxonomy 207Q00000X · Licence G45266 (CA)

Record details

NPI number1699797993
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESApril 25, 2018

Other providers in Stockton