Mr. Gregory Roger Grenier, DO
Mr. Gregory Roger Grenier, DO is an Orthopedic Surgery in Billings, Montana. Qualified in 2015, 11 years ago. Practices with Catholic Health Initiatives Colorado, a 1,266-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado and Montana.
- Years since qualifying
- 11
- Licensed in
- CO, MT
- In the registry since
- 2015
- Specialties on file
- 2
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
2900 12th Ave N Ste 140WBillings, MT 59101-7507
Phone: (406) 238-6726
Fax: (406) 272-3395
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 1 Mercado St Ste 202, Durango, CO 81301-7307 — (970) 764-9400
Specialties & licences
| Orthopaedic Surgery Physician (primary) | Taxonomy 207X00000X · Licence 98833 (MT) |
|---|---|
| Orthopaedic Surgery Physician | Taxonomy 207X00000X · Licence DR.0070117 (CO) |
Record details
| NPI number | 1134512593 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | March 10, 2015 |
| Last updated in NPPES | January 6, 2023 |
| Certification date | January 6, 2023 |
| Mailing address | 2900 12th Ave N Ste 140w, Billings, MT 59101-7507 |
Medicare enrollment
| Medicare specialty | ORTHOPEDIC SURGERY |
|---|---|
| Medical school | OTHER |
| Graduated | 2015 (11 years in practice) |
| Group practice | Catholic Health Initiatives Colorado — 1266 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in Billings
-
Dr. Brian James Drake, DO
2900 12th Ave N Ste 140W, Billings, MT 59101-7507 · (406) 237-5050
-
Dr. James S Elliott, MD
2900 12th Ave N Ste 140W, Billings, MT 59101-7506 · (406) 238-6540
-
Dr. Joseph M Erpelding, MD
2900 12th Ave N Ste 140W, Billings, MT 59101-7506 · (406) 238-6540
-
Steven Fischer, MD
2702 8th Ave N, Billings, MT 59101-1107 · (406) 238-2500
-
Heather Hansen, MD
2900 12th Ave No #140W, Billings, MT 59101-7507 · (406) 237-5050
-
Willard Hull, MD
2702 8th Ave N, Billings, MT 59101-1107 · (406) 238-2500
-
Steven J Klepps, MD
2900 12th Ave N #100E, Billings, MT 59101-7506 · (406) 238-6700
-
Matthew A. Kopplin, MD
2702 8th Ave N, Billings, MT 59101 · (406) 238-2500