Meet Your Care Providers

George Burdick, M.D.

~Gastroenterology~ Dr. Burdick is a member of the Active Medical Staff at Summit Healthcare. His received his BA from the University of Arizona in 1961, followed by his MD from UCLA in 1965. He then completed an Internal Medicine Residency in Hawaii and a Fellowship in Gastroenterology in Washington. He… Read More »


George Paik, M.D.

~ Cardiology ~ George Paik, MD is board-certified in Cardiology and Interventional Cardiology. He graduated from the University of Chicago and completed his internship, residency and fellowship at Beth Israel Hospital in Boston, Massachusetts. He is a Fellow of the American College of Cardiology. Dr. Paik chose cardiology as his… Read More »



Grant Burgess Radiology

Grant Berges, M.D.

~Radiology~ Specialty: Musculoskeletal Radiology Certification: American Board of Radiology, 2007 Medical School: University of Utah School ofMedicine, 2002 Residency: Indiana University, 2007 Fellowship: Musculoskeletal Radiology, IndianaUniversity, 2007     Imaging Specialists at Summit Healthcare Diagnostic Imaging Search Near Care Team Providers



Gretchen Schaber, N.P.

~ Cardiology ~ Gretchen Schaber is a Certified Geriatric and Adult Nurse Practitioner specializing in Cardiology. She received her Bachelor’s in Nursing from East Carolina University and her Master’s in Nursing from the University of Arizona. Gretchen Schaber has been a nurse since 1976, and practiced in Cardiology since 1986.… Read More »


Ian Brimhall | NearCareTeam

Ian Brimhall, D.O.

~ Orhtopedic Surgery ~ Dr. Ian Brimhall is a board certified orthopedic surgeon who came to the White Mountains in 2008. He graduated from Midwestern University Medical School in 2003 and attended a five-year Orthopedic Surgery residency in Detroit, Michigan at Henry Ford Hospital. During his residency he also focused… Read More »


Imran Ata, M.D.

~ Cardiology ~ Dr. Ata received his medical degree from Nishtar Medical College, Multan, Pakistan in 1985 and then completed his internship in Internal Medicine at Nishtar Medical College. He then joined the National Institute of Cardiovascular Diseases in Karachi, Pakistan and spent 7 years at the institute doing research… Read More »


J. Brian Olack, M.D., F.A.C.S.

~ Plastic & Reconstructive Surgery ~ Dr. Brian Olack is board-certified by the American Board of Plastic Surgeons and looks forward to putting his surgical skills and training to good use tending to all of your cosmetic and reconstructive surgical needs. Originally from Reno, Nevada, he graduated from the University… Read More »


J. Casey Heap, M.D.

~ Family Medicine~ J. Casey Heap received his He is board-certified in family medicine. Dr. Heap graduated from the University of Arizona College of Medicine in 2015, then completed his internship and residency at Medical Education and Research Foundation (MCMERF) in Waco, Texas. Dr. Heap is located at Summit Healthcare Mountain… Read More »