Earl Darby, MD
NPI 1790743292 · Gastroenterology Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Earl Darby, MD is a Gastroenterology Physician provider in Oakland, CA (NPI 1790743292).
Provider details
- NPI number
- 1790743292
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G388160 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2013-11-11
Frequently asked questions
- What is Earl Darby's NPI number?
- Earl Darby's National Provider Identifier (NPI) is 1790743292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Earl Darby's specialty?
- Earl Darby is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Earl Darby located?
- Earl Darby's practice location on file with NPPES is 300 Frank H Ogawa Plz, Oakland, CA 94612-2037.
- What is Earl Darby's phone number?
- The practice phone number listed in the NPPES registry for Earl Darby is (510) 444-3297.
- Does Earl Darby accept Medicare?
- Earl Darby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Earl Darby's NPI active?
- Yes — Earl Darby's NPI (1790743292) is active in the NPPES registry as of the last update on 2013-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.