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Federico Gregorio, M.D.
NPI 1437184876 · Surgery Physician · Colusa, CA
Federico Gregorio, M.D. is a Surgery Physician provider in Colusa, CA (NPI 1437184876).
Provider details
- NPI number
- 1437184876
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A50507 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
199 E Webster St
Colusa, CA 95932-2954
Phone: (530) 458-3283
Fax: (530) 458-3215
Street-level locationGet directions
Mailing address
1000 S Nelson Ave
Monahans, TX 79756-6300
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2008-02-19
Frequently asked questions
- What is Federico Gregorio's NPI number?
- Federico Gregorio's National Provider Identifier (NPI) is 1437184876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Federico Gregorio's specialty?
- Federico Gregorio is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Federico Gregorio located?
- Federico Gregorio's practice location on file with NPPES is 199 E Webster St, Colusa, CA 95932-2954.
- What is Federico Gregorio's phone number?
- The practice phone number listed in the NPPES registry for Federico Gregorio is (530) 458-3283.
- Is Federico Gregorio's NPI active?
- Yes — Federico Gregorio's NPI (1437184876) is active in the NPPES registry as of the last update on 2008-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.