Active NPI
Marissa Jarvis
- Addiction (Substance Use Disorder) Counselor
- Masontown, WV
National Provider Identifier
1275444838
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Addiction (Substance Use Disorder) Counselor
- Practice address
- 105 Park Drive
Masontown, WV 26542 - Phone
- (304) 278-4005
- NPI assigned
- Sep 14, 2026
- Sex
- Female
- 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 | Primary |
Addresses
Primary practice location
105 Park Drive
Masontown, WV 26542
Mailing address
PO Box 66
Masontown, WV 26542-0066
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1789344000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789344000000",
"number": "1275444838",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 66",
"city": "MASONTOWN",
"state": "WV",
"postal_code": "265420066"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "105 PARK DRIVE",
"city": "MASONTOWN",
"state": "WV",
"postal_code": "26542",
"telephone_number": "304-278-4005"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JARVIS",
"first_name": "MARISSA",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-09-14",
"last_updated": "2026-09-14",
"certification_date": "2026-09-12",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Masontown, WV
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.