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21 years of experience
Video profile
Accepting new patients
License & Identifications

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).

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Specialties & Research

Dr. Mark Welch, MD is board certified in Internal Medicine.

Education & Awards

Dr. Welch graduated from University of Illinois at Chicago.


Dr. Welch has 5 hospital affiliations:

  • Kalispell Regional Hospital 
  • Health Center Northwest 

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Additional Information
Dr. Mark Thomas Welch MD is a male Internist, has 21 years of experience and practices in Internal Medicine.
Where does Dr. Mark T. Welch practice?
Dr. Mark Welch has 2 office locations.
Dr. Mark Welch practices Internal Medicine near Kalispell, MT.
Additional practice locations include: San Diego, CA.
See Kalispell Internists.