Active NPI
Barbara Jean Clark, REGISTERED DIETITIAN
- Registered Dietitian
- Martinez, CA
National Provider Identifier
1205800406
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- R316866
- Practice address
- VA Northern California Health Care System
150 Muir Rd
Martinez, CA 94553 - Phone
- (925) 372-2000
- NPI assigned
- Feb 14, 2006
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | R316866 | CA | Primary |
Addresses
Primary practice location
VA Northern California Health Care System
150 Muir Rd
Martinez, CA 94553
Mailing address
1505 Hood Rd
#D
Sacramento, CA 95825-2392
Phone (916) 564-1324
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| R316866 | Other | REGISTERED DIETITIAN NUMB |
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)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R316866 | CA | MD | Registered Dietitian |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1139875200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1205800406",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1505 HOOD RD",
"address_2": "#D",
"city": "SACRAMENTO",
"state": "CA",
"postal_code": "958252392",
"telephone_number": "916-564-1324"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "VA NORTHERN CALIFORNIA HEALTH CARE SYSTEM",
"address_2": "150 MUIR RD",
"city": "MARTINEZ",
"state": "CA",
"postal_code": "94553",
"telephone_number": "925-372-2000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CLARK",
"first_name": "BARBARA",
"middle_name": "JEAN",
"name_prefix": "Ms.",
"credential": "REGISTERED DIETITIAN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-02-14",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "CA",
"license": "R316866",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "REGISTERED DIETITIAN NUMB",
"identifier": "R316866",
"state": null
}
],
"endpoints": [],
"other_names": []
}
Other providers in Martinez, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.