Active NPI
James Warren, M.D.
- Vascular & Interventional Radiology Physician
- Chico, CA
National Provider Identifier
1134160393
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Vascular & Interventional Radiology Physician
- License
- RHL145010
- Practice address
- 1702 Esplanade
Chico, CA 95926-3315 - Phone
- (530) 898-0500
- Fax
- (530) 898-9647
- NPI assigned
- Jun 9, 2006
- Last updated
- Jul 13, 2026
- 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 |
|---|---|---|---|---|
| Vascular & Interventional Radiology Physician | 2085R0204X | RHL145010 | CA | Primary |
Addresses
Primary practice location
1702 Esplanade
Chico, CA 95926-3315
Mailing address
1720 Esplanade
Chico, CA 95926-3315
Phone (530) 898-0504
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| A63561 | Other | CA | MEDICAL LICENSE |
| 00A635610 | 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 |
|---|---|---|---|
| RHL145010 | CA | MD | Vascular & Interventional Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Chico MRI Partners | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba North Valley MRI & CT Center
- Diagnostic Radiology Physician
- Chico, CA
- NPI 1427096874
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149811200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1134160393",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1720 ESPLANADE",
"city": "CHICO",
"state": "CA",
"postal_code": "959263315",
"telephone_number": "530-898-0504",
"fax_number": "530-898-9647"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1702 ESPLANADE",
"city": "CHICO",
"state": "CA",
"postal_code": "959263315",
"telephone_number": "530-898-0500",
"fax_number": "530-898-9647"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WARREN",
"first_name": "JAMES",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-09",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0204X",
"taxonomy_group": "",
"desc": "Radiology, Vascular & Interventional Radiology",
"state": "CA",
"license": "RHL145010",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MEDICAL LICENSE",
"identifier": "A63561",
"state": "CA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00A635610",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}Other providers in Chico, 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.