Active NPI
Charles W Barnes, MD
- Orthopaedic Surgery of the Spine Physician
- Alamo, CA
National Provider Identifier
1922013663
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Surgery of the Spine Physician
- License
- A22703
- Practice address
- 1813 Piedras Circle
Alamo, CA 94507-2817 - Phone
- (925) 362-4192
- Fax
- (925) 362-8651
- NPI assigned
- Jul 30, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Surgery of the Spine Physician | 207XS0117X | A22703 | CA | Primary |
Addresses
Primary practice location
1813 Piedras Circle
Alamo, CA 94507-2817
Mailing address
PO Box 5026
Walnut Creek, CA 94596-1026
Phone (925) 362-4192
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 6659316 | Medicaid | CA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A22703 | CA | MD | Orthopaedic Surgery of the Spine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1154217600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788048000000",
"number": "1922013663",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 5026",
"city": "WALNUT CREEK",
"state": "CA",
"postal_code": "945961026",
"telephone_number": "925-362-4192",
"fax_number": "925-362-8651"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1813 PIEDRAS CIRCLE",
"city": "ALAMO",
"state": "CA",
"postal_code": "945072817",
"telephone_number": "925-362-4192",
"fax_number": "925-362-8651"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BARNES",
"first_name": "CHARLES",
"middle_name": "W",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-30",
"last_updated": "2026-08-30",
"status": "A"
},
"taxonomies": [
{
"code": "207XS0117X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
"state": "CA",
"license": "A22703",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "6659316",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Alamo, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.