Charles Barnes, M.D.
NPI 1871641001 · Internal Medicine Physician · El Cerrito, CA
Charles Barnes, M.D. is a Internal Medicine Physician provider in El Cerrito, CA (NPI 1871641001).
Provider details
- NPI number
- 1871641001
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G28760 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-01-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Barnes's NPI number?
- Charles Barnes's National Provider Identifier (NPI) is 1871641001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Barnes's specialty?
- Charles Barnes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Barnes located?
- Charles Barnes's practice location on file with NPPES is 6123 Jordan Ave, El Cerrito, CA 94530-1549.
- What is Charles Barnes's phone number?
- The practice phone number listed in the NPPES registry for Charles Barnes is (510) 237-2823.
- Is Charles Barnes's NPI active?
- Yes — Charles Barnes's NPI (1871641001) 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.