Active NPI
Gregory James Nielsen, D.D.S.
- Endodontics
- Billings, MT
National Provider Identifier
1578600318
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Endodontics
- License
- 8806
- Practice address
- 2225 Broadwater Ave Ste a
Billings, MT 59102-4707 - Phone
- (702) 869-2800
- Fax
- (702) 869-2803
- NPI assigned
- Jan 31, 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Endodontics | 1223E0200X | 11499 | MT | |
| General Practice Dentistry | 1223G0001X | 4702 | NV | |
| General Practice Dentistry | 1223G0001X | 8806 | CO | |
| Endodontics | 1223E0200X | 8806 | CO | Primary |
Addresses
Primary practice location
2225 Broadwater Ave Ste a
Billings, MT 59102-4707
Mailing address
4194 Bainbridge Cir
Billings, MT 59106-2421
Phone (702) 869-2800
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 |
|---|---|---|---|
| 8806 | CO | MD | Endodontist |
| 11499 | MT | MD | Endodontist |
| 4702 | NV | MD | General Practice Dentistry |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1170201600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1658361600000",
"number": "1578600318",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4194 BAINBRIDGE CIR",
"city": "BILLINGS",
"state": "MT",
"postal_code": "591062421",
"telephone_number": "702-869-2800",
"fax_number": "702-869-2803"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2225 BROADWATER AVE STE A",
"city": "BILLINGS",
"state": "MT",
"postal_code": "591024707",
"telephone_number": "702-869-2800",
"fax_number": "702-869-2803"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NIELSEN",
"first_name": "GREGORY",
"middle_name": "JAMES",
"name_prefix": "Dr.",
"credential": "D.D.S.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-01-31",
"last_updated": "2022-07-21",
"status": "A"
},
"taxonomies": [
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "MT",
"license": "11499",
"primary": false
},
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "NV",
"license": "4702",
"primary": false
},
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "CO",
"license": "8806",
"primary": false
},
{
"code": "1223E0200X",
"taxonomy_group": "",
"desc": "Dentist, Endodontics",
"state": "CO",
"license": "8806",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Billings, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.