Active NPI
Thomas J. Greany, D.D.S.
- General Practice Dentistry
- Louisville, CO
National Provider Identifier
1619095239
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Dentistry
- License
- 7598
- Practice address
- 877 E South Boulder Rd
Louisville, CO 80027-1345 - Phone
- (303) 665-8228
- NPI assigned
- Mar 26, 2007
- 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 |
|---|---|---|---|---|
| General Practice Dentistry | 1223G0001X | 7598 | CO | Primary |
Addresses
Primary practice location
877 E South Boulder Rd
Louisville, CO 80027-1345
Mailing address
PO 271169
Louisville, CO 80027-2902
Phone (720) 236-6778
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Opted out of Medicare
- Yes, effective Dec 8, 2020 through Dec 8, 2026
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 7598 | CO | MD | General Practice Dentistry |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1174867200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1619095239",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO 271169",
"city": "LOUISVILLE",
"state": "CO",
"postal_code": "800272902",
"telephone_number": "720-236-6778"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "877 E SOUTH BOULDER RD",
"city": "LOUISVILLE",
"state": "CO",
"postal_code": "800271345",
"telephone_number": "303-665-8228"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GREANY",
"first_name": "THOMAS",
"middle_name": "J.",
"name_prefix": "Dr.",
"credential": "D.D.S.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-03-26",
"last_updated": "2025-09-11",
"certification_date": "2025-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "CO",
"license": "7598",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Louisville, CO
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.