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Dr. Nasser Heyrani

Orthopedics • Corona, CA • 1 (Corona, CA and Newport Beach, CA referenced) locations

About

Oak Tree Orthopedics is a private practice in Corona and Newport Beach, California, offering orthopedic surgery and specialized care in areas including shoulder, knee, foot and ankle, elbow, wrist and hand, and platelet-rich plasma treatments. Led by Harvard-trained orthopedic surgeon Dr. Nasser Heyrani and fellowship-trained Dr. Graeme Matthewson, the practice emphasizes personalized 1:1 patient care and minimally invasive techniques for sports medicine, arthroscopy, and shoulder reconstruction.

Clinic Type

Orthopedics

Address

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

Phone

+1 657-235-9355

Email

support@oaktreeorthopedics.com

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://oaktreeorthopedics.com/

Services Offered

orthopedic surgery
elbow
foot and ankle
knee
shoulder
wrist and hand
platelet-rich plasma
injections
rehabilitation
private practice
1:1 patient care
Harvard-trained surgeon
sports medicine
arthroscopy
shoulder reconstruction
foot & ankle reconstructive surgery

Team

Dr. Nasser Heyrani, Harvard-trained; UCLA (undergraduate and medical degrees); UC Davis (orthopedic residency); fellowship in foot & ankle reconstructive surgery at Harvard-Massachusetts General Hospital under Dr. DiGiovanni — Harvard-trained orthopedic surgeon; Board Certified Diplomate of the American Board of Orthopedic Surgery
Dr. Graeme Matthewson, M.D., University of Calgary; University of Manitoba; Southern California Orthopedic Institute; shoulder and elbow arthroplasty — Fellowship-trained orthopedic surgeon; sports medicine focus; arthroscopy and shoulder reconstruction

Insurance & Payment

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

Languages Spoken

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FAQs

What insurances do you accept?

We are in-network with most insurance plans (information not fully specified on the page).

What are your contact options?

Phone: (657)235-WELL (9355); Email: support@oaktreeorthopedics.com.

Where are the clinic locations?

Corona, CA address: 4254 Green River Road, Corona, CA 92880. Newport Beach, CA address: 20072 SW Birch St # 100, Newport Beach, CA 92660.

Do you offer telehealth?

Telehealth availability is not explicitly stated on the page.

What services do you offer?

Orthopedic treatments and related services; pages listed for Elbow, Foot and Ankle, Knee, Shoulder, Wrist and Hand, Platelet Rich Plasma (PRP).

Do you have any awards or recognitions?

Awards/recognitions are not specified on the page.

What is the emergency contact or service status?

Not specified on the page.

Photos

What Patients Say

Overall sentiment across review platforms: very positive

Healthgrades, Track Your Doctor, Yelp, Birdeye: 4.8 to 4.9/5 stars (Ranges from 21 to 86+ reviews depending on the platform)

Patients praise

Highly responsive office staff and short wait times
Compassionate, professional, and knowledgeable bedside manner
Clear and thorough communication regarding diagnoses and treatment options
Effective surgical outcomes and rehabilitation care

Common complaints

Very limited reports of negative experiences (e.g., occasional long wait times, though rare)

"Dr. Heyrani saved my ability to walk, dance and participate in adventures."

— Yelp (via MapQuest)

"He listens carefully, explains everything clearly, and has a reassuring presence that makes you feel you’re in very good hands."

— Birdeye

"Dr. Nasser Heyrani is a truly awesome doctor! ... On both occasions he was so caring, professional, and knowledgeable."

— Oak Tree Orthopedics Testimonials

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Thousand Oaks Orthopedic Surgeon | Dr. Lucky Sivasundaram, MD — Dec 9, 2025
The balance between progress and pressure in orthopedics - Becker’s Spine Review — Oct 27, 2025

Information sourced from the clinic's website as of July 10, 2026.

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