Charles Barnes, MD
NPI 1922013663 · Orthopaedic Surgery of the Spine Physician · Alamo, CA
Charles Barnes, MD is a Orthopaedic Surgery of the Spine Physician provider in Alamo, CA (NPI 1922013663).
Provider details
- NPI number
- 1922013663
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A22703 (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
- 2006-07-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Charles Barnes's NPI number?
- Charles Barnes's National Provider Identifier (NPI) is 1922013663, 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 Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Barnes located?
- Charles Barnes's practice location on file with NPPES is 1813 Piedras Circle, Alamo, CA 94507-2817.
- What is Charles Barnes's phone number?
- The practice phone number listed in the NPPES registry for Charles Barnes is (925) 362-4192.
- Is Charles Barnes's NPI active?
- Yes — Charles Barnes's NPI (1922013663) 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.