Active NPI
Alyssa Poythress, RDN
- Registered Dietitian
- Clarksville, TN
National Provider Identifier
1003621426
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 4453
- Practice address
- 2250 Wilma Rudolph Blvd Ste F
Clarksville, TN 37040-8453 - Phone
- (931) 257-6503
- NPI assigned
- Feb 12, 2025
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Registered Dietitian | 133V00000X | 4453 | TN | Primary |
Addresses
Primary practice location
2250 Wilma Rudolph Blvd Ste F
Clarksville, TN 37040-8453
Mailing address
2250 Wilma Rudolph Blvd Ste F
Clarksville, TN 37040-8453
Phone (931) 257-6503
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 |
|---|---|---|---|
| 4453 | TN | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Fay Nutrition | Dietitian, Registered | 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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1739318400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1747958400000",
"number": "1003621426",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2250 WILMA RUDOLPH BLVD STE F",
"city": "CLARKSVILLE",
"state": "TN",
"postal_code": "370408453",
"telephone_number": "931-257-6503"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2250 WILMA RUDOLPH BLVD STE F",
"city": "CLARKSVILLE",
"state": "TN",
"postal_code": "370408453",
"telephone_number": "931-257-6503"
}
],
"practiceLocations": [],
"basic": {
"last_name": "POYTHRESS",
"first_name": "ALYSSA",
"credential": "RDN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2025-02-12",
"last_updated": "2025-05-23",
"certification_date": "2025-05-23",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Dietitian, Registered",
"state": "TN",
"license": "4453",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Clarksville, TN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.