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Timothy J. Bonatus, D.O.

General Orthopaedics, Trauma, Fracture Care, Arthroplasty Surgery of the Hip and Knee

Dr. Bonatus is a board certified Orthopaedic Surgeon who joined Northern Arizona Orthopaedics in 1995. He is fellowship sub-specialty trained in Orthopaedic Trauma and fracture care at UC Davis Medical Center. He is a member of the Arthritis and Fracture Care Center at NAO.

Prior to moving to Flagstaff, Dr. Bonatus served on the USS California, and as Chief of Orthopaedics at Naval Hospital Camp Pendleton. He was instrumental in the development of Summit Center and serves in a number of leadership roles at FMC. Dr Bonatus has extensive experience in fracture care, arthroscopy joint replacement and adult reconstructive surgery. He has set a career-level goal of striving to innovate and improve the way healthcare is provided in our communities.


  • Trauma Fellowship U.C. Davis Medical Center, Davis, California
  • Orthopaedic Surgery Residency U.S. Naval Hospital, Oakland, California
  • Doctorate of Medicine Chicago College of Osteopathic Medicine, Chicago, Illinois

Professional Affiliations

  • American Academy of Orthopaedic Surgeons
  • Arizona Osteopathic Medical Association
  • Arizona State Trauma Association

Personal Quote

“There's nothing I want more than to helping patients recover from their injuries and return to normal function. I find a personal fulfillment in educating patients in a way that encourages them to make the right care choices for them and their lifestyle. Then, I tailor the treatment to meet their individual needs. ”

Patient Testimonials

”He is a very personal doctor and seems truely interested in my situation.“

Lee B.

”He actually listened! He gave feedback, told me what he thought and gave me options. He was my second opinion. I will be going with Dr. Bonatus! Thank You, Dr. Bonatus.“

Debbie W.

”He's been treating me for over 12 years and knows me by sight and remembers what I do for work, etc. He tells me honestly the pros and cons of any surgical procedures that although I might be ready for may not be in my best long-term interest. He lets me decide after he gives me all the info and talks to me like I have a brain“

Beverly J.

”He listened attentively and asked questions, so I felt he understood what I was saying.“

Judy B.

”He took his time with me and explained the options to me and my family, told me what he suggested, and answered questions clearly.“

Mary L.