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Mark A. Crandall, MD


Doctor of Medicine

St. Luke's Health Partner
St. Luke's Health Partner

These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.


Accepting new patients
By Referral Only

Conditions & Treatments

  • Cardiovascular Disease

Facilities & Clinics

    • Address
      775 Pole Line Rd. W. Suite 112 Twin Falls, ID 83301
      Mon - Wed: 8 a.m. - 4:30 p.m.
      Thu: 8:30 a.m. - 4:30 p.m.
      Fri: 8 a.m. - 3 p.m.
    • Phone
      (208) 814-8200
      (208) 933-4921

    • Address
      980 Burley Ave. Buhl, ID 83316
      Mon, Wed, Thu, Fri: 8 a.m. - 5 p.m.
      Tue: 8 a.m. - 7 p.m.
    • Phone
      (208) 814-9150
      (208) 814-9151

About Mark A. Crandall


Mark Crandall, MD, FACC specializes in adult general cardiology, and has an interest in valvular heart disease, coronary artery disease, congestive heart failure, and preventive cardiology. In his practice he performs transesophageal and transthoracic echocardiography, stress tests, cardioversions, tilt table tests, and right and left heart catheterizations.

Dr. Crandall has held various medical leadership positions throughout his career, and has served as the director of the echocardiography laboratory and medical director of cardiology at St. Luke’s Magic Valley. He currently serves as chief of staff at St. Luke’s Magic Valley, in addition to being the chairman of the joint chiefs of staff for St. Luke’s Health System.

Dr. Crandall is passionate about quality improvement and medical education, and enjoys working with medical students and residents. He is adjunct clinical faculty at the University of Washington School of Medicine and Idaho College of Osteopathic Medicine, and enjoys speaking at the annual St. Luke’s Heart and Vascular Symposium.

Dr. Crandall served a two-year mission in Londrina, Brazil, and later graduated departmental valedictorian and cum laude from Brigham Young University with a bachelor’s degree in sociology. He attended medical school at the University of Washington as part of the WWAMI program, followed by internal medicine residency at the Mayo Clinic. After completing fellowship training at The Ohio State University Medical Center, he moved back to his home town, Twin Falls, to start practice at St. Luke’s Magic Valley.

He and his wife are the parents of three children, and they enjoy boating, skiing, snowmobiling, and traveling with their family.

  • Medical School

    University of Washington School of Medicine
  • Residency

    Mayo Clinic College of Medicine
  • Fellowship

    Ohio State University Medical Center
  • Board Certification

    Cardiovascular Disease
  • Gender

  • Languages Spoken