A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. James Mack:
View the full profile to get information on:
- What's important to you
View full profile
The overall average patient rating of Dr. James Mack is Good.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Prepare before visiting Dr. Mack
Birth Control Patient Education Patient information guide about birth control and various types of reversable and irreversable contraception techniques.Before Visiting Dr. Mack Learn More
Specialties & Research
Dr. James Mack, MD is board certified in Endocrinology, Diabetes & Metabolism.
- He has special expertise in 11 areas:
- Adrenal Gland Diseases
- Diabetes Complications
- Diabetes Mellitus
- Parathyroid Diseases
- Pituitary Diseases
- Thyroid Diseases
- Women's Health
Education & Awards
Dr. Mack graduated from University of Washington, Seattle. He has 3 awards.
Dr. Mack has 5 hospital affiliations:
- St Vincent Healthcare
- Deaconess Billings Clinic
Similar doctors nearby
- Additional Information
- Dr. James A Mack MD is a male Internist, has 24 years of experience and practices in Internal Medicine and Endocrinology, Diabetes & Metabolism.
- Where does Dr. James A. Mack practice?
- Dr. James Mack has 4 office locations.
Dr. James Mack practices Internal Medicine and Endocrinology, Diabetes & Metabolism near Billings, MT.
Additional practice locations include: Cody, WY and Red Lodge, MT.
See Billings Internists and Billings Endocrinologists.