Your Journey to Recovery Starts Here

Welcome to Oak Tree Orthopedics

Oak Tree Orthopedics is a private practice based in the Inland Empire & Orange County, California.

Centered around the patient journey, Oak Tree Orthopedics strives to provide patients and their families with unsurpassed personalized care, delivered by Harvard-trained orthopedic surgeon, Dr. Nasser Heyrani. His motivation to start a private practice with individualized care for patients came from his years at major hospital groups across the East and West Coasts. With the evolution of the healthcare industry — a shift from personal to business-centric.

Oak Tree Orthopedics’ 1:1 approach works closely with the patient, their medical history, lifestyle and circumstances, to offer the best specialized treatment, towards a healthy and speedy recovery. Whether taking care of professional athletes on or off the field, or creating a long-term plan for geriatric patients with chronic arthritic pain, Oak Tree Orthopedics aims to become a trusted practice for families across Southern California.

Meet Our Doctors

Dr. Heyrani

Dr. Heyrani is a Board Certified Diplomate of the American Board of Orthopedic Surgery and a Harvard-trained orthopedic surgeon. He received his undergraduate and medical degrees from UCLA, completed his orthopedic residency at UC Davis, and pursued a subspecialty fellowship in foot & ankle reconstructive surgery at Harvard-Massachusetts General Hospital under Dr. Christopher DiGiovanni. Dr. Heyrani has published several academic studies, spoken nationally about stem cell regenerative therapies, and served as a team physician for the New England Revolution during his fellowship. He consults for Lincoln City Football Club in the English Football League.

Dr. Matthewson

Dr. Graeme Matthewson, M.D., is a fellowship-trained orthopedic surgeon specializing in sports medicine with a focus on arthroscopy and shoulder reconstruction. Personal sports injuries served as inspiration for him to begin his medical career, and he received top honors from the University of Calgary Medical School. After an orthopedic residency at the University of Manitoba, he pursued further training in sports medicine at the Southern California Orthopedic Institute and shoulder and elbow arthroplasty in San Francisco. Dr. Matthewson practices patient-centered care, emphasizing minimally invasive techniques to improve recovery outcomes. Outside of work, he enjoys outdoor activities with his family in Southern California.

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Patient Testimonials

We are in-network with most insurance plans & offer simple out-of-pocket fees for those without insurance.

(657)235-WELL TO SPEAK TO A STAFF MEMBER

(657)235-WELL
TO SPEAK TO A STAFF MEMBER

Contact Us

Corona, CA

800 Magnolia Ave., Suite 102, Corona, CA 92879

(657) 235-WELL (9355)

support@oaktreeorthopedics.com

Newport Beach, CA

20072 SW Birch St # 100, Newport Beach, CA 92660

(949) 478-5626

support@oaktreeorthopedics.com

800 Magnolia Ave., Suite 102
Corona, CA 92879

☏ (657) 235-WELL (9355)

20072 SW Birch St # 100,
Newport Beach, CA 92660

☏ (949) 478-5626

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