Medical Staff Leadership

Elizabeth Bierer, M.D.

Chief of Staff

Dr. Bierer graduated from Blue Ridge High School and continued her education at the University of Arizona. After graduating from the U of A with a B.S. in Psychology, Dr. Bierer spent a year in South Carolina with AmeriCorp VISTA assisting Commune-i-Care, a not for profit organization, helping the medically underserved population of the state. After her year with AmeriCorp VISTA, Dr. Bierer was accepted into and began her studies at the U of A’s College of Medicine. Dr. Bierer is Board Certified by the American Board of Family Medicine.

Simranjit Galhotra, M.D.

Vice Chief of Staff

Simranjit Galhotra is board-certified in Pulmonary Disease and Sleep Medicine. He received his medical degree and his MBA from the University of Chicago. He completed his three-year Internal Medicine Residency at Washington Hospital Center in Washington, DC, and his three-year Pulmonary and Critical Care Fellowship at George Washington University in Washington, DC.

Jason Johnson, M.D.

Secretary / Treasurer

Dr. Johnson attended Medical School at the University of North Dakota School of Medicine in Grand Forks, North Dakota. He completed his Residency in Emergency Medicine at Synergy Medical Education Alliance-Michigan State University in Saginaw, Michigan.

J. Brian Olack, M.D.

Surgery Department Chairman

J. Brian Olack, MD, FACS is a well-trained Board Certified Plastic Surgeon at Olack Plastic & Reconstructive Surgery in Show Low, Arizona. Dr. Olack received his General Surgery training in Springfield, Massachusetts at Baystate Medical Center, a hospital of Tufts University School of Medicine. He completed his residency in Plastic and Reconstructive Surgery at Cleveland Clinic Florida, Dr. Olack had extensive training in the entire field of Plastic Surgery, including cosmetic surgery, reconstructive surgery, hand surgery, and many other non-surgical techniques.

Alan DeWitt, M.D.

Chief Medical Officer

Dr. DeWitt attended medical school at the University of Arizona College of Medicine in Tucson, Arizona. He completed his Internship and Residency at Good Samaritan Regional Medical Center in Phoenix, Arizona. Dr. DeWitt is Board Certified by the American Board of Family Medicine and Hospice & Palliative Medicine.

John Mansfield, M.D.

Member at Large

Shaun Patel, M.D.

Member at Large

Victor Staheli, M.D.

Member at Large

David Netz, PA

Adjunct Member at Large

Ryan Varga, D.O.

Primary Care Department

Grant Berges, M.D.

Specialist Department

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