Active NPI
Michael Gregory Horner, RDN
- Registered Dietitian
- Carmel, IN
National Provider Identifier
1144952847
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Dietitian
- License
- 37002868A
- Practice address
- 300 E Main St Ste C
Carmel, IN 46032-1782 - Phone
- (317) 210-3722
- Fax
- (317) 296-7211
- NPI assigned
- Jun 30, 2022
- Last updated
- Aug 16, 2025
- Sex
- Male
- 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 | 37002868A | IN | Primary |
Addresses
Primary practice location
300 E Main St Ste C
Carmel, IN 46032-1782
Mailing address
300 E Main St Ste E
Carmel, IN 46032-1782
Other practice location 1
13859 Waycross Dr
Fishers, IN 46038-4532
Phone (937) 542-9987
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)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 37002868A | IN | MD | Registered Dietitian |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Fay Nutrition | Dietitian, Registered | Past | Accepting new patients |
| Nourish, Inc. | Dietitian, Registered | Past | Accepting new patients |
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.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1656547200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1755302400000",
"number": "1144952847",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "300 E MAIN ST STE E",
"city": "CARMEL",
"state": "IN",
"postal_code": "460321782"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 E MAIN ST STE C",
"city": "CARMEL",
"state": "IN",
"postal_code": "460321782",
"telephone_number": "317-210-3722",
"fax_number": "317-296-7211"
}
],
"practiceLocations": [
{
"address_1": "13859 Waycross Dr",
"address_purpose": "LOCATION",
"city": "Fishers",
"state": "IN",
"postal_code": "460384532",
"country_code": "US",
"telephone_number": "937-542-9987",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HORNER",
"first_name": "MICHAEL",
"middle_name": "GREGORY",
"credential": "RDN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2022-06-30",
"last_updated": "2025-08-16",
"certification_date": "2025-08-16",
"status": "A"
},
"taxonomies": [
{
"code": "133V00000X",
"taxonomy_group": "",
"desc": "Dietitian, Registered",
"state": "IN",
"license": "37002868A",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Carmel, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 16, 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.