arrow
  • Hospital Medicine, Internal Medicine, Other Specialty
  • Accepting new patients
  • 36 years of experience
  • Benefis Medical Group 1401 25th St S, Great Falls, MT 59405
  • (406) 731-8888

Brief Intro

Dr. Mahan graduated from the University of New Mexico School of Medicine in 1989. He works in Great Falls, MT and 2 other locations and specializes in Internal Medicine, Other Specialty and Hospital Medicine.

View More

Education Background

RESIDENCY

University Of Virginia Health System

MEDICAL SCHOOL

University Of New Mexico School Of Medicine - 1989

Location & Hours

  • Benefis Medical Group
  • 1401 25th St S, Great Falls, MT 59405
  • Mon:8:00 am - 6:00 pm
    Tue:8:00 am - 6:00 pm
    Wed:8:00 am - 6:00 pm
    Thu:8:00 am - 6:00 pm
    Fri:8:00 am - 6:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Internal Medicine
  • Other Specialty
  • Hospital Medicine

Conditions Addressed

  • Pulmonary Embolism
  • Cardiac Arrhythmia
  • Dementia
  • Gastrointestinal Hemorrhage
  • Ischemic Heart Disease
  • Ischemic Stroke
  • Acute Renal Failure
  • Alcohol Dependence
  • Pneumonia
  • Viral Pneumonia
  • Chronic Bronchitis
  • Depressive Disorders
  • Disorders of Lipoid Metabolism
  • Heart Failure
  • Hypertension (HTN)
  • Intestinal Obstruction
  • Septicemia
  • Atrial Fibrillation and Atrial Flutter
  • Anemia
  • Anxiety Phobic Disorders
  • Chronic Renal Disease
  • Cirrhosis
  • Epilepsy
  • Fractures, Dislocations, Derangement, and Sprains
  • Acute Myocardial Infarction (AMI)
View More

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Medicare
  • First Choice Health
  • PacificSource Health Plans
  • State Farm
  • Aetna
  • UnitedHealthcare
  • Medicaid
  • Cigna
  • Tricare
  • AARP
  • Humana
  • Liberty Mutual
  • GEHA
  • Blue Cross Blue Shield
  • Allegiance Life and Health
  • CHAMPVA
View More
  • Cancer 5
  • Cardiology, Heart & Vascular Surgery 4
  • Orthopedics 8
  • Neurology & Neurosurgery 5
  • Gastroenterology & GI Surgery 7
  • Pulmonology & Lung Surgery 7
  • Children's Hospital 1
  • Urology 6
  • Psychiatry 4
  • Geriatrics 7
  • Rehabilitation 4
  • Obsterics & Gynecology 1
  • Long Term Care 1
  • Maternity Care (Uncomplicated Pregnancy) 4