MEET OUR TEAM

Bourck Cashmore, MD - Northern Arizona Ortho

Bourck Cashmore, MD

SPECIALTY:

Adult Joint Reconstruction
Sports Medicine

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Cody Martin, MD - Northern Arizona Ortho

Cody Martin, MD

SPECIALTY:

Adult Joint Reconstruction of the Hip & Knee
Orthopaedic Trauma

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Eamonn Mahoney, MD - Northern Arizona Ortho

Eamonn Mahoney, MD

SPECIALTY:

Orthopaedic Spine Surgery

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J. Michael Glover, MD, MBA - Northern Arizona Ortho

J. Michael Glover, MD, MBA

SPECIALTY:

Orthopaedic Spine Surgery

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Joel T. Rohrbough, MD - Northern Arizona Ortho

Joel T. Rohrbough, MD

SPECIALTY:

Sports Medicine
Shoulder Surgery

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John A. Ledington, MD - Northern Arizona Ortho

John A. Ledington, MD

SPECIALTY:

Physical Medicine & Rehabilitation
Pain Management

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Mark D. Mellinger, MD - Northern Arizona Ortho

Mark D. Mellinger, MD

SPECIALTY:

Orthopaedic Hand Surgery

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Timothy J. Bonatus, DO - Northern Arizona Ortho

Timothy J. Bonatus, DO

SPECIALTY:

Orthopaedic Traumatology
Adult Joint Reconstruction

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Yuri Lewicky, MD - Northern Arizona Ortho

Yuri Lewicky, MD

SPECIALTY:

Orthopaedic Sports Medicine
Shoulder & Knee Surgery

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OUR PHYSICIAN ASSISTANTS & NURSE PRACTIONERS

Tammy Doering - PA-C - Northern Arizona Ortho

Tammy Doering - PA-C

Tammy Doering, PA-C is a certified physician assistant.

Tammy has been with Northern Arizona Orthopaedics since 2007, working alongside our physicians in the Sports Medicine Center at our Flagstaff location.

She earned her graduate degree in from the University of St. Francis. Before that, Tammy graduated with her bachelor’s degree from Northern Arizona University. Tammy is an active member in the medical community, holding memberships with the American Academy of Physician Assistants, Arizona State Association of Physician Assistants and Physician Assistants in Orthopaedic Surgery

Kathryn Earhart, PA-C,RD, CNSC

Kathryn Earhart, PA-C,RD, CNSC

Kathryn Earhart, PA-C,RD, CNSC is a certified Physician Assistant working alongside Dr. Mark Mellinger in the Hand Center at Northern Arizona Orthopaedics.

Before joining Northern Arizona Orthopaedics, Kathryn cared for patients as a clinical dietitian. During this time, she assessed patients and developed individualized nutritional care plans for each patient based the medical needs of each patient. During her time as a clinical dietitian, Kathryn spent quality time with multi-disciplinary medical professionals, including, physicians, physician assistants and nurse practitioners.

Kathryn earned her graduate degree from Northern Arizona University with a singular focus in Physician Studies. She earned her undergraduate and first graduate degree from Arizona State University.

Kathryn is a member of the American Academy of Physician Assistants, Arizona State Association of Physician Assistants, and Physician Assistants in Orthopaedic Surgery.

Greg Harris - PA-C - Northern Arizona Ortho

Greg Harris - PA-C

Greg Harris, PA-C is a certified physician assistant working alongside our physicians in the Arthritis and Fracture Center at our Flagstaff location.

Before joining Northern Arizona Orthopaedics, Greg preformed cancer research at Vanderbilt University. Greg earned his first graduate degree from Vanderbilt University in Cell Biology. After his time at Vanderbilt University, Greg attended Trevecca Nazarene University where he earned his second graduate degree in Physician Assistant Studies. Greg earned his bachelor’s degree from the University of Tennessee. 

Keri McPherson - PA-C - Northern Arizona Ortho

Keri McPhearson - PA-C

Keri McPhearson, PA-C is a certified physician assistant working alongside Dr. Joel Rohrbough in our Sports Medicine Center at our Flagstaff location.

Before joining Northern Arizona Orthopaedics, Keri cared for patients as a certified nursing assistant. Once she earned her graduate degree in Physician Assistant Studies, Keri began treating patients with orthopedic needs including Sports Medicine injures, Spine injuries and Trauma cases.

Keri earned her graduate degree from the University of St. Francis. She completed her bachelor’s degree from Drury University.

Jamie Pearson - PA-C - Northern Arizona Ortho

Jamie Pearson - PA-C

Jamie Pearson, PA-C is a certified physician assistant with over 30 years’ experience caring for patients and more than 16 years specializing in orthopedic care.

As our only primary provider at our Prescott Valley location, Jamie cares for all orthopedic needs of patients, however, she has a special interest in hand, wrist and elbow care.

Before joining Northern Arizona Orthopaedics in 2014, Jamie cared for patients as a Physician Assistant in Wisconsin for 10 years, caring for patients alongside a general orthopedic surgeon where she performed over 500 surgical cases per year. Jamie began her medical career as an Emergency Medical Technician and spent five years treating patients in the field. She spent 2 years treating patients as a Registered Nurse prior to earning her degree in Physician Assistant Studies.

Jamie earned her bachelor’s degree from Des Moines University. She is an active member in the medical community holding a membership with the American Academy of Physician Assistants.

Stephen Randazzo - FNP - Northern Arizona Ortho

Stephen Randazzo - FNP

 Stephen Randazzo, FNP is a certified Nurse Practitioner caring for patients in our Spine & Pain Center with Dr. John Ledington.

Stephen joined Northern Arizona Orthopaedics in 2004. Before joining our team, Stephen cared for patients as Registered Nurse in an Intensive Care Unit at a Level trauma center. Here he cared for patients with multi-system medical systems.

Stephen earned his graduate degree from California State University – Fresno. He earned his bachelor’s degree from Southeastern Louisiana University.

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