Dr. Gregory James Nielsen
D.D.S. | Endodontist
2225 Broadwater Ave Ste A, Billings
Montana, 59102-4707
702-869-2800 702-869-2803
Maps & DirectionsDr. Gregory James Nielsen is a Billings, Montana based Endodontist who is specialized in
Endodontics. He does not accept the Medicare-approved amount. Patients will be billed for the treatment. Active license number of Dr. Gregory James Nielsen is
8806 for Endodontics in Colorado. His current practice location is
2225 Broadwater Ave Ste A, Billings. Patients can reach him at
702-869-2800.
Dr. Gregory James Nielsen deals with the branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.
Complete Profile:
Dr. Gregory James Nielsen speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Gregory James Nielsen |
| Specialization: | Endodontist |
| Gender: | Male |
| Credentials: | D.D.S. |
| Accepts Medicare Assignment: | No |
| Practice Address: | 2225 Broadwater Ave Ste A, Billings,
Montana, 59102-4707 |
| Phone: | 702-869-2800 |
| Fax: | 702-869-2803 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1578600318 |
| NPI Enumeration Date: | 31 Jan, 2007 |
| NPI Last Update On: | 21 Jul, 2022 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Gregory James Nielsen are as mentioned below.
| License Number | Specialization | State | Status | |
| 8806 | Endodontics | Colorado | Primary | |
| 11499 | Endodontics | Montana | Secondary | |
| 4702 | General Practice Dentistry | Nevada | Secondary | |
| 8806 | General Practice Dentistry | Colorado | Secondary | |
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 4194 Bainbridge Cir,
Billings, Montana |
| Zip: | 59106-2421 |
| Phone Number: | 702-869-2800 |
| Fax Number: | 702-869-2803 |
Patients can reach Dr. Gregory James Nielsen at
2225 Broadwater Ave Ste A, Billings, Montana or can
call to book an appointment on 702-869-2800.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
08 December, 2025.