Meet the Pima Team
Dr. Shaun Peterson, M.D., FAAOS
Chief Physician
A veteran of the U.S. Navy, Dr. Shaun Peterson recently joined Pima Ortho as Chief Physician, having
Dr. Ambrosia Boyd, DNP, FNP-C
Veteran of the United States Armed Forces. Practicing since 2009.
Lexi Turk, MS, AGACNP-BC
Board Certified, Nursing background in Emergency Medicine at a Level 1 trauma center in Chicago.
Sue Weekley, FNP-C, FNFA
Nurse Practioner
Practicing since 1975! 23 years of experience in Aeromedical transport as a Flight Nurse
Marianne Parham, FNP-BC, RNFA
Nurse Practioner
Board Certified Nurse Practioner, Veteran of the United States Armed Forces
Lexi Turk
MS, AGACNP-BC
About Us
Dr. John C. Medlen of Pima Orthopedics is a three-time recipient of Vitals.com Patients’ Choice Award (2008, 2009, 2018). Patients’ Choice awards reflects the difference a particular physician has made in the lives of his/her patients. This award is given to physicians who have received near perfect scores, as voted by patients.