Active NPI
Marshall Grogg, LGSW
- Social Worker
- Elkins, WV
National Provider Identifier
1255299897
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- BP00947423
- Practice address
- 971 Harrison Ave
Elkins, WV 26241-3608 - Phone
- (304) 636-9450
- Fax
- (304) 636-2282
- NPI assigned
- Jan 13, 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | BP00947423 | WV | Primary |
Addresses
Primary practice location
971 Harrison Ave
Elkins, WV 26241-3608
Mailing address
971 Harrison Ave
Elkins, WV 26241-3608
Phone (304) 636-9450
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 |
|---|---|---|---|
| BP00947423 | WV | MD | Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1768262400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768262400000",
"number": "1255299897",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "971 HARRISON AVE",
"city": "ELKINS",
"state": "WV",
"postal_code": "262413608",
"telephone_number": "304-636-9450",
"fax_number": "304-636-2282"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "971 HARRISON AVE",
"city": "ELKINS",
"state": "WV",
"postal_code": "262413608",
"telephone_number": "304-636-9450",
"fax_number": "304-636-2282"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GROGG",
"first_name": "MARSHALL",
"name_prefix": "Mr.",
"credential": "LGSW",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-01-13",
"last_updated": "2026-01-13",
"certification_date": "2026-01-13",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "WV",
"license": "BP00947423",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Elkins, WV
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 13, 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.