Active NPI
John D. Clark, L.P.C.
- Professional Counselor
- Martinsburg, WV
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Professional Counselor
- License
- 6401007651
- Practice address
- 235 S Water St
Martinsburg, WV 25401-4241 - Phone
- (304) 263-8954
- NPI assigned
- Oct 3, 2006
- 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 |
|---|---|---|---|---|
| Professional Counselor | 101YP2500X | 6401007651 | MI | Primary |
Addresses
Primary practice location
235 S Water St
Martinsburg, WV 25401-4241
Mailing address
235 S Water St
Martinsburg, WV 25401-4241
Phone (304) 263-8954
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0023817001 | Medicaid | WV |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WV
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 6401007651 | MI | MD | Professional Counselor |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Eastern Panhandle Mental Health (Rehab) | Current | Accepting new patients | |
| Eastern Panhandle Mental Health Center (Group) | Past | Accepting new patients |
Locations
89 Sugar Hollow Rd
Berkeley Springs, WV 25411
Phone (304) 258-2889
340 Edmond Rd
Ste D
Kearneysville, WV 25430
Phone (304) 725-7565
235 S Water St
Martinsburg, WV 25401
Phone (304) 263-8954
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba eastridge health systems
- Community/Behavioral Health Agency
- Martinsburg, WV
- NPI 1427197748
-
dba EastRidge Health Systems
- Community/Behavioral Health Agency
- Martinsburg, WV
- NPI 1528488012
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159833600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1770163200000",
"number": "1235223041",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "235 S WATER ST",
"city": "MARTINSBURG",
"state": "WV",
"postal_code": "254014241",
"telephone_number": "304-263-8954"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "235 S WATER ST",
"city": "MARTINSBURG",
"state": "WV",
"postal_code": "254014241",
"telephone_number": "304-263-8954"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CLARK",
"first_name": "JOHN",
"middle_name": "D.",
"credential": "L.P.C.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-10-03",
"last_updated": "2026-02-04",
"certification_date": "2026-02-04",
"status": "A"
},
"taxonomies": [
{
"code": "101YP2500X",
"taxonomy_group": "",
"desc": "Counselor, Professional",
"state": "MI",
"license": "6401007651",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0023817001",
"state": "WV"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Martinsburg, WV
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.