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Active NPI 1134512593 Individual Practitioner Male Practitioner

Dr. Gregory Roger Grenier , DO

Orthopaedic Surgery • Billings, MT

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Grenier, DO is a certified Orthopaedic Surgery practicing in Billings, MT. With approximately 11 years of clinical experience since completing medical education in 2015, Dr. Grenier delivers high-quality medical care to the local community at 2900 12TH AVE N STE 140W.

Dr. Grenier is affiliated with Catholic Health Initiatives Colorado and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of shoulder, minimum of 2 views, injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2900 12th Ave N Ste 140w

Billings, MT 591017507

Telephone 4062386726
Fax 4062723395
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Billings, MT

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs -12.5 yrs vs City Avg
City Avg: 23.5 Yrs
State Avg: 26.4 Yrs
Regional Practice Density
21 Specialists

Practicing in Billings, MT (110 Statewide)

Telehealth Adoption Rate
14.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
75.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Grenier (11 Years) 11 Yrs
Billings Specialty Average (23.5 Years) 23.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes
93 68 $336.00 $94.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
59 53 $473.00 $133.25
73030 X-ray of shoulder, minimum of 2 views
53 31 $133.00 $35.49
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg
37 22 $26.00 $6.82
73140 X-ray of finger, minimum of 2 views
21 12 $145.00 $41.36
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
20 20 $487.00 $134.00
73130 X-ray of hand, minimum of 3 views
17 13 $136.85 $40.15
73110 X-ray of wrist, minimum of 3 views
17 13 $158.00 $44.49
26055 Incision of tendon covering
16 12 $2298.00 $557.15
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
15 15 $615.00 $175.01
64721 Release and/or relocation of hand nerve
15 12 $1658.00 $312.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
14 14 $414.00 $112.67

Medical Specialties & State Licenses

CMS Verified: 2023-01-06
Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License MT 98833

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Orthopaedic Surgery

NUCC Taxonomy Code: 207X00000X

State License CO DR.0070117

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Hospital & Practice Group Affiliations

Catholic Health Initiatives Colorado

1 Mercado St, Durango, CO 813017307

Phone: 9707649400

Secondary Practice Locations

1 Mercado St Ste 202

Durango, CO 813017307

Phone: 9707649400

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

17 Associated Practitioners
Anthony Gold , PA-C

Physician Assistant

NPI 1023698776

Physician Assistant (Certified)

Robert Thayer , PA-C

Physician Assistant

NPI 1033877782

Physician Assistant (Certified)

Danielle Shepherd , PA-C

Physician Assistant

NPI 1063018786

Physician Assistant (Certified)

Denae Mcclure , PA-C

Physician Assistant

NPI 1104549278

Physician Assistant (Certified)

Dr. Joshua Bowler , MD

Orthopaedic Surgery - Sports Medicine

NPI 1164819199

Doctor of Medicine (M.D.)

Tyler Miller , PA-C

Physician Assistant

NPI 1356985014

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 06, 2023

Orthopaedic Surgery (License #DR.0070117 in CO)

📍
Updated Practice Location September 21, 2021

Registered at 2900 12TH AVE N STE 140W, BILLINGS, MT 591017507 (Tel: 4062386726)

📍
Updated Business Mailing Address September 21, 2021

Registered at 2900 12TH AVE N STE 140W, BILLINGS, MT 591017507 (Tel: 4062386726)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 21, 2021

Orthopaedic Surgery (License #98833 in MT)

NPI Profile Active March 10, 2015

NPI status registered as active in NPPES database

📍
Updated Practice Location March 10, 2015

Registered at 5100 WEST BROAD ST, DOCTORS HOSPITAL, COLUMBUS, OH 43228 (Tel: 6145441000)

📍
Updated Business Mailing Address March 10, 2015

Registered at 2121 CENTRAL ST, 213, KANSAS CITY, MO 641082060 (Tel: 7148013638)

👤
Provider Name / Credentials Updated March 10, 2015

Recorded as GREGORY GRENIER, D.O

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 10, 2015

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 10, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1134512593
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 10, 2015
Last Update: January 06, 2023
Sole Proprietor: No

Mailing Address

2900 12th Ave N Ste 140w

Billings, MT 591017507

Phone: 4062386726

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.