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.
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Dr. John William Mahan, MD
- 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
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)
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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
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MT Hospitals by Specialty
- 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