Active NPI
Cullen Bosworth
- Addiction (Substance Use Disorder) Counselor
- Onalaska, WI
National Provider Identifier
1083550677
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- License
- 21108130
- Practice address
- 9532 E 16 Frontage Rd
Onalaska, WI 54650-6739 - Phone
- (608) 783-0506
- Fax
- (608) 783-0242
- NPI assigned
- Apr 27, 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 |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | 21108130 | WI | Primary |
Addresses
Primary practice location
9532 E 16 Frontage Rd
Onalaska, WI 54650-6739
Mailing address
9532 E 16 Frontage Rd
Onalaska, WI 54650-6739
Phone (608) 783-0506
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 |
|---|---|---|---|
| 21108130 | WI | MD | Addiction (Substance Use Disorder) Counselor |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1777248000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777248000000",
"number": "1083550677",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "9532 E 16 FRONTAGE RD",
"city": "ONALASKA",
"state": "WI",
"postal_code": "546506739",
"telephone_number": "608-783-0506",
"fax_number": "608-783-0242"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9532 E 16 FRONTAGE RD",
"city": "ONALASKA",
"state": "WI",
"postal_code": "546506739",
"telephone_number": "608-783-0506",
"fax_number": "608-783-0242"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BOSWORTH",
"first_name": "CULLEN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-04-27",
"last_updated": "2026-04-27",
"certification_date": "2026-04-27",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "WI",
"license": "21108130",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Onalaska, WI
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.