Active NPI
Christopher Callahan
- Addiction (Substance Use Disorder) Counselor
- Los Angeles, CA
National Provider Identifier
1568371995
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- Practice address
- 3619 N Mission Rd
Los Angeles, CA 90031-3136 - Phone
- (213) 721-0010
- NPI assigned
- Sep 2, 2026
- Sex
- Unspecified or another gender identity
- 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 |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | Primary |
Addresses
Primary practice location
3619 N Mission Rd
Los Angeles, CA 90031-3136
Mailing address
3619 N Mission Rd
Los Angeles, CA 90031-3136
Phone (213) 721-0010
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1788307200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1788307200000",
"number": "1568371995",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3619 N MISSION RD",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900313136",
"telephone_number": "213-721-0010"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3619 N MISSION RD",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900313136",
"telephone_number": "213-721-0010"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CALLAHAN",
"first_name": "CHRISTOPHER",
"sole_proprietor": "NO",
"sex": "X",
"enumeration_date": "2026-09-02",
"last_updated": "2026-09-02",
"certification_date": "2026-09-02",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.