Active NPI
Aaron Clark, LSW
- Social Worker
- Lancaster, OH
National Provider Identifier
1023500469
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- S.2308917
- Practice address
- 220 E Walnut St
Lancaster, OH 43130-4464 - Phone
- (800) 321-8293
- NPI assigned
- Jun 1, 2018
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Community Health Worker | 172V00000X | |||
| Social Worker | 104100000X | S.2308917 | OH | Primary |
Addresses
Primary practice location
220 E Walnut St
Lancaster, OH 43130-4464
Mailing address
PO Box 132
Athens, OH 45701-0132
Phone (800) 321-8293
Other practice location 1
68 W Church St Ste 318
Newark, OH 43055-5050
Phone (740) 281-1777
Other practice location 2
1750 Granville Pike
Lancaster, OH 43130-1041
Phone (833) 510-4357
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 |
|---|---|---|---|
| S.2308917 | OH | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ohioguidestone | 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.
-
- Community/Behavioral Health Agency
- Berea, OH
- NPI 1174680557
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1527811200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789344000000",
"number": "1023500469",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 132",
"city": "ATHENS",
"state": "OH",
"postal_code": "457010132",
"telephone_number": "800-321-8293"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "220 E WALNUT ST",
"city": "LANCASTER",
"state": "OH",
"postal_code": "431304464",
"telephone_number": "800-321-8293"
}
],
"practiceLocations": [
{
"address_1": "68 W Church St Ste 318",
"address_purpose": "LOCATION",
"city": "Newark",
"state": "OH",
"postal_code": "430555050",
"country_code": "US",
"telephone_number": "740-281-1777",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1750 Granville Pike",
"address_purpose": "LOCATION",
"city": "Lancaster",
"state": "OH",
"postal_code": "431301041",
"country_code": "US",
"telephone_number": "833-510-4357",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CLARK",
"first_name": "AARON",
"credential": "LSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2018-06-01",
"last_updated": "2026-09-14",
"certification_date": "2026-09-14",
"status": "A"
},
"taxonomies": [
{
"code": "172V00000X",
"taxonomy_group": "",
"desc": "Community Health Worker",
"state": null,
"license": null,
"primary": false
},
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "OH",
"license": "S.2308917",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Lancaster, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 14, 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.