Active NPI
Glenn W. Riefenstahl, ATC
- Athletic Trainer
- Durham, NH
National Provider Identifier
1992766349
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Athletic Trainer
- License
- 20
- Practice address
- 145 Main St
University of New Hampshire
Durham, NH 03824-3572 - Phone
- (603) 862-3892
- Fax
- (603) 862-4198
- NPI assigned
- Mar 28, 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 |
|---|---|---|---|---|
| Athletic Trainer | 2255A2300X | 20 | NH | Primary |
Addresses
Primary practice location
145 Main St
University of New Hampshire
Durham, NH 03824-3572
Mailing address
5 Laurier St
Somersworth, NH 03878-1709
Phone (603) 692-3774
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 |
|---|---|---|---|
| 20 | NH | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143504000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1992766349",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5 LAURIER ST",
"city": "SOMERSWORTH",
"state": "NH",
"postal_code": "038781709",
"telephone_number": "603-692-3774",
"fax_number": "603-862-4198"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "145 MAIN ST",
"address_2": "UNIVERSITY OF NEW HAMPSHIRE",
"city": "DURHAM",
"state": "NH",
"postal_code": "038243572",
"telephone_number": "603-862-3892",
"fax_number": "603-862-4198"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RIEFENSTAHL",
"first_name": "GLENN",
"middle_name": "W.",
"name_prefix": "Mr.",
"credential": "ATC",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-28",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2255A2300X",
"taxonomy_group": "",
"desc": "Specialist/Technologist, Athletic Trainer",
"state": "NH",
"license": "20",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Durham, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 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.