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

Frederick Karl Gregorius, MD

Individual provider Specialist · NPI 1013936608

Frederick Karl Gregorius, MD is a Specialist in Stockton, 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 →

Practice location Address checks out

2209 N California St
Stockton, CA 95204-5503
Phone: (209) 943-0305
Fax: (209) 943-0210
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence G15246 (CA)

Record details

NPI number1013936608
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 18, 2006
Last updated in NPPESJune 18, 2010
Mailing address2209 N California St, Stockton, CA 95204-5503

Other providers in Stockton