IndividualActive
John Warbritton, MD
NPI 1477696458 · Specialist · Oakland, CA
John Warbritton, MD is a Specialist provider in Oakland, CA (NPI 1477696458).
Provider details
- NPI number
- 1477696458
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G47015 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(90/100 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
300 Frank H Ogawa Plz Ste 700
Oakland, CA 94612-2048
Phone: (510) 350-4000
Fax: (510) 839-1692
Approximate (ZIP-level) locationGet directions
Mailing address
172 Alice Ln
Orinda, CA 94563-3601
Registry dates
- Enumerated
- 2007-02-15
- Last updated
- 2009-06-22
Frequently asked questions
- What is John Warbritton's NPI number?
- John Warbritton's National Provider Identifier (NPI) is 1477696458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Warbritton's specialty?
- John Warbritton is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is John Warbritton located?
- John Warbritton's practice location on file with NPPES is 300 Frank H Ogawa Plz Ste 700, Oakland, CA 94612-2048.
- What is John Warbritton's phone number?
- The practice phone number listed in the NPPES registry for John Warbritton is (510) 350-4000.
- Is John Warbritton's NPI active?
- Yes — John Warbritton's NPI (1477696458) is active in the NPPES registry as of the last update on 2009-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.