Active NPI
Jason J Hopper
- Addiction (Substance Use Disorder) Counselor
- Los Angeles, CA
National Provider Identifier
1306775366
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- License
- RT1420401025
- Practice address
- 1731 Menlo Ave
Los Angeles, CA 90006-4613 - Phone
- (323) 734-3284
- NPI assigned
- May 15, 2026
- Sex
- Male
- Sole proprietor
- Yes
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 | RT1420401025 | CA | Primary |
Addresses
Primary practice location
1731 Menlo Ave
Los Angeles, CA 90006-4613
Mailing address
13181 Crossroads Pkwy N Ste 440
City of Industry, CA 91746-3499
Phone (562) 353-5611
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 |
|---|---|---|---|
| RT1420401025 | CA | MD | Addiction (Substance Use Disorder) Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sadler Healthcare Inc | 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 and National Provider Directory roles.
-
- Substance Abuse Rehabilitation Facility
- Los Angeles, CA
- NPI 1174070254
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778803200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778803200000",
"number": "1306775366",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "13181 CROSSROADS PKWY N STE 440",
"city": "CITY OF INDUSTRY",
"state": "CA",
"postal_code": "917463499",
"telephone_number": "562-353-5611"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1731 MENLO AVE",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900064613",
"telephone_number": "323-734-3284"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HOPPER",
"first_name": "JASON",
"middle_name": "J",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2026-05-15",
"last_updated": "2026-05-15",
"certification_date": "2026-05-15",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "CA",
"license": "RT1420401025",
"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 May 15, 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.