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Farrell Barnett, M.D.
NPI 1639391170 · Internal Medicine Physician · Oakland, CA
Farrell Barnett, M.D. is a Internal Medicine Physician provider in Oakland, CA (NPI 1639391170).
Provider details
- NPI number
- 1639391170
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C050042 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 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
6955 Foothill Blvd
Suite 200
Oakland, CA 94605-2409
Phone: (510) 304-6045
Fax: (510) 839-7918
Street-level locationGet directions
Mailing address
200 Lakeside Drive
Oakland, CA 94612-3503
Registry dates
- Enumerated
- 2007-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Farrell Barnett's NPI number?
- Farrell Barnett's National Provider Identifier (NPI) is 1639391170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Farrell Barnett's specialty?
- Farrell Barnett is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Farrell Barnett located?
- Farrell Barnett's practice location on file with NPPES is 6955 Foothill Blvd, Oakland, CA 94605-2409.
- What is Farrell Barnett's phone number?
- The practice phone number listed in the NPPES registry for Farrell Barnett is (510) 304-6045.
- Is Farrell Barnett's NPI active?
- Yes — Farrell Barnett's NPI (1639391170) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.