New Search John W. McCahan MD (406) 414-2410 Primary Specialties Rheumatology (Board Certified) AffiliationsBozeman Health Deaconess Hospital Bozeman Health Medical Group Primary Office Address: Bozeman Health Rheumatology Clinic 931 Highland Blvd., Suite 3260 HP 3 Purple Zone Bozeman, MT 59715 Hours: Monday-Friday 8:00 am-5:00 pm Recommend this Physician Education Medical School: Temple University School of Medicine, MD Residency: Boston University Medical Center, Internal Medicine Fellowship: Boston University Medical Center, Rheumatology Areas of Expertise Rheumatology Physician Bio John McCahan, MD, is in practice with Bozeman Health Rheumatology Clinic. Dr. McCahan holds a master’s in applied immunology from the University of Southern Maine and is a graduate of Temple University School of Medicine. He completed his residency in internal medicine at Boston University Medical Center (BUMC) and was a clinical attending physician there until he began his clinical rheumatology fellowship, also at BUMC. He also has had advanced training in musculoskeletal ultrasound. Dr. McCahan is board certified in internal medicine and rheumatology.