Active NPI
Matthew Chaffin
- Addiction (Substance Use Disorder) Counselor
- Circleville, OH
National Provider Identifier
1417549858
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- Practice address
- 145 Morris Rd
Circleville, OH 43113-1363 - Phone
- (740) 474-8874
- NPI assigned
- Feb 8, 2021
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | W.2600511 | OH | |
| Mental Health Counselor | 101YM0800X | |||
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | Primary |
Addresses
Primary practice location
145 Morris Rd
Circleville, OH 43113-1363
Mailing address
PO Box 6179
Chillicothe, OH 45601-6179
Other practice location 1
14574 US Highway 23
Waverly, OH 45690-9373
Phone (740) 912-9126
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 |
|---|---|---|---|
| W.2600511 | OH | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Scioto Paint Valley Mental Health Center | Past | Accepting new patients | |
| Pike County Recovery Council Inc | Past | Accepting new patients | |
| Scioto Paint Valley Mental Health Center | Past | Accepting new patients |
Interoperability endpoints
- https://api.qualifacts.org/api/fhir/spvmhc/r4/
Organizations & group practices 3
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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Waverly, OH
- NPI 1760742993
-
- Multi-Specialty Clinic/Center
- Chillicothe, OH
- NPI 1255308136
-
- Primary Care Clinic/Center
- Chillicothe, OH
- NPI 1790116747
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1612742400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769644800000",
"number": "1417549858",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 6179",
"city": "CHILLICOTHE",
"state": "OH",
"postal_code": "456016179"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "145 MORRIS RD",
"city": "CIRCLEVILLE",
"state": "OH",
"postal_code": "431131363",
"telephone_number": "740-474-8874"
}
],
"practiceLocations": [
{
"address_1": "14574 US Highway 23",
"address_purpose": "LOCATION",
"city": "Waverly",
"state": "OH",
"postal_code": "456909373",
"country_code": "US",
"telephone_number": "740-912-9126",
"fax_number": "740-912-9147",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHAFFIN",
"first_name": "MATTHEW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2021-02-08",
"last_updated": "2026-01-29",
"certification_date": "2026-01-29",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "OH",
"license": "W.2600511",
"primary": false
},
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": null,
"license": null,
"primary": false
},
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Circleville, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 29, 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.