Mr Gregory Roger Grenier, DO in Billings, MT - Medicare Orthopedic Surgery

Mr Gregory Roger Grenier, DO is a medicare enrolled "Orthopaedic Surgery" physician in Billings, Montana. He graduated from medical school in 2015 and has 9 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Catholic Health Initiatives Colorado and his current practice location is 2900 12th Ave N Ste 140w, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-6726.

Mr Gregory Roger Grenier is licensed to practice in Montana (license number 98833) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1134512593.

Contact Information

	Mr Gregory Roger Grenier, DO
	2900 12th Ave N Ste 140w, Billings, MT 59101-7507
	(406) 238-6726
	(406) 272-3395

Map and Direction

Physician's Profile

Full Name	Mr Gregory Roger Grenier
Gender	Male
Speciality	Orthopedic Surgery
Experience	9 Years
Location	2900 12th Ave N Ste 140w, Billings, Montana
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Mr Gregory Roger Grenier graduated from medical school in 2015

NPI Data:

NPI Number: 1134512593
Provider Enumeration Date: 03/10/2015
Last Update Date: 01/06/2023

Medicare PECOS Information:

PECOS PAC ID: 9739455726
Enrollment ID: I20230119002368

Medical Identifiers

Medical identifiers for Mr Gregory Roger Grenier such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1134512593	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207X00000X	Orthopaedic Surgery	DR.0070117 (Colorado)	Secondary
207X00000X	Orthopaedic Surgery	98833 (Montana)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mercy Regional Medical Center	Durango, CO	Hospital
San Juan Regional Medical Center	Farmington, NM	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Catholic Health Initiatives Colorado	8022927342	998

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mr Gregory Roger Grenier allows following entities to bill medicare on his behalf.

Entity Name	Catholic Health Initiatives Colorado
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1356783351 PECOS PAC ID: 8022927342 Enrollment ID: O20031215000462

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mr Gregory Roger Grenier is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Mr Gregory Roger Grenier, DO 2900 12th Ave N Ste 140w, Billings, MT 59101-7507 Ph: (406) 238-6726	Mr Gregory Roger Grenier, DO 2900 12th Ave N Ste 140w, Billings, MT 59101-7507 Ph: (406) 238-6726

Reviews and Comments

Orthopaedic Surgery Doctors in Billings, MT

Michael C. Willis, MD Orthopedic Surgery Medicare: Not Enrolled in Medicare Practice Location: 2702 8th Ave N, Billings, MT 59101 Phone: 406-238-2500
Dr. Michael Thompson Groover, D.O. Orthopedic Surgery Medicare: Accepting Medicare Assignments Practice Location: 2900 12th Ave N Ste 140w, Billings, MT 59101 Phone: 406-237-5050 Fax: 406-238-6599
David W Shenton Jr., M.D. Orthopedic Surgery Medicare: Medicare Enrolled Practice Location: 2900 12th Ave N, #100e, Billings, MT 59101 Phone: 406-238-6700 Fax: 406-238-6734
Lindsey J Beck, DO Orthopedic Surgery Medicare: Accepting Medicare Assignments Practice Location: 2900 12th Ave N Ste 140w, Billings, MT 59101 Phone: 406-237-5050 Fax: 406-238-6599
Charles Trevor Crellin, M.D. Orthopedic Surgery Medicare: Accepting Medicare Assignments Practice Location: 2900 12th Ave N Ste 140w, Billings, MT 59101 Phone: 406-237-5050 Fax: 406-272-3395
Ralph M Costanzo, M.D. Orthopedic Surgery Medicare: Not Enrolled in Medicare Practice Location: 2900 12th Ave N, #100e, Billings, MT 59101 Phone: 406-238-6700 Fax: 406-238-6734
Bryon D Hobby, MD Orthopedic Surgery Medicare: Accepting Medicare Assignments Practice Location: 2702 8th Ave N, Billings, MT 59101 Phone: 406-238-5200

Mr Gregory Roger Grenier, DO - Medicare Orthopedic Surgery in Billings, MT