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

F Karl Gregorius MD, Inc

Organization Neurological Surgery Physician · NPI 1720399389

F Karl Gregorius MD, Inc is a Neurological Surgery Physician in Stockton, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2209 N California St
Stockton, CA 95204-5503
Phone: (209) 943-0305
Fax: (209) 943-0402
Show map & directions

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

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence G15246 (CA)

Record details

NPI number1720399389
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Frederick Gregorius — Owner/President · (209) 943-0305
NPI enumeratedJune 29, 2010
Last updated in NPPESJune 29, 2010
Mailing address2209 N California St, Stockton, CA 95204-5503