IndividualActive
Frederick Gregorius, MD
NPI 1013936608 · Specialist · Stockton, CA
Frederick Gregorius, MD is a Specialist provider in Stockton, CA (NPI 1013936608).
Provider details
- NPI number
- 1013936608
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G15246 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
2209 N California St
Stockton, CA 95204-5503
Phone: (209) 943-0305
Fax: (209) 943-0210
Street-level locationGet directions
Mailing address
2209 N California St
Stockton, CA 95204-5503
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2010-06-18
Frequently asked questions
- What is Frederick Gregorius's NPI number?
- Frederick Gregorius's National Provider Identifier (NPI) is 1013936608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frederick Gregorius's specialty?
- Frederick Gregorius is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Frederick Gregorius located?
- Frederick Gregorius's practice location on file with NPPES is 2209 N California St, Stockton, CA 95204-5503.
- What is Frederick Gregorius's phone number?
- The practice phone number listed in the NPPES registry for Frederick Gregorius is (209) 943-0305.
- Is Frederick Gregorius's NPI active?
- Yes — Frederick Gregorius's NPI (1013936608) is active in the NPPES registry as of the last update on 2010-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.