James A Mack, MD in Billings, MT - Medicare Endocrinology

James A Mack, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Billings, Montana. He went to University Of Washington School Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Billings Clinic and his current practice location is 1045 N 30th St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 238-2500.

James A Mack is licensed to practice in Montana (license number 8739) 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 1669575445.

Contact Information

	James A Mack, MD
	1045 N 30th St, Billings, MT 59101-0733
	(406) 238-2500
	Not Available

Map and Direction

Physician's Profile

Full Name	James A Mack
Gender	Male
Speciality	Endocrinology
Experience	37 Years
Location	1045 N 30th St, 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:

James A Mack attended and graduated from University Of Washington School Of Medicine in 1987

NPI Data:

NPI Number: 1669575445
Provider Enumeration Date: 09/06/2006
Last Update Date: 02/10/2022

Medicare PECOS Information:

PECOS PAC ID: 8426090010
Enrollment ID: I20101227000402

Medical Identifiers

Medical identifiers for James A Mack such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1669575445	NPI	-	NPPES
00000833	Other	MT	BCBS PIN
114711100	Other	WY	MDCD PIN
0019975	Other	MT	MDCD PIN

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RE0101X	Internal Medicine - Endocrinology, Diabetes & Metabolism	8739 (Montana)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Billings Clinic	6002993516	677

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. James A Mack allows following entities to bill medicare on his behalf.

Entity Name	Billings Clinic
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1326104845 PECOS PAC ID: 6002993516 Enrollment ID: O20080430000212

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. James A Mack 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
James A Mack, MD Po Box 35100, Billings, MT 59107-5100 Ph: (406) 238-2500	James A Mack, MD 1045 N 30th St, Billings, MT 59101-0733 Ph: (406) 238-2500

Reviews and Comments

Internal Medicine Doctors in Billings, MT

Charles Wittnam, MD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 2675 Central Ave, Billings, MT 59102 Phone: 406-238-2500
Phillip Embury Griffin, M.D. Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 2938 Rockrim Ln, Billings, MT 59102 Phone: 406-259-7582
Megan B Littlefield, M.D. Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 123 S 27th St, Billings, MT 59101 Phone: 406-247-3350 Fax: 406-247-3389
Charles Mcclave, MD Endocrinology, Diabetes & Metabolism Medicare: Accepting Medicare Assignments Practice Location: 2900 12th Ave N, Suite 160w, Billings, MT 59101 Phone: 406-237-8500 Fax: 406-237-8501
Karen C. Klee, MD Endocrinology, Diabetes & Metabolism Medicare: Not Enrolled in Medicare Practice Location: 801 N 29th St, Billings, MT 59101 Phone: 406-238-2500
Brock P. Whittenberger, MD Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 801 N 29th St, Billings, MT 59101 Phone: 406-238-2500
Kaycee Kae Johnson, DO Endocrinology, Diabetes & Metabolism Medicare: Medicare Enrolled Practice Location: 801 N 29th St, Billings, MT 59101 Phone: 406-671-0426

James A Mack, MD - Medicare Endocrinology in Billings, MT