About United Medical Doctors Orthopaedic Surgery
Our Mission
Dr. Mark Schultzel cares for teen and adult patients affected by diseases of the shoulder and elbow, including sports injuries, fractures and arthritis.
Dr. Nasser Heyrani cares for adult patients affected by diseases and injuries to the wrist, hand, elbow, foot, ankle, hip, knee and shoulder.
Dr. John Locke cares for teen and adult patients affected by injuries and diseases of the knee including sports injuries, fractures and arthritis.
Our practice strives to demonstrate compassion while maintaining high reliability, providing cutting-edge surgical techniques with a superior patient-centered experience. We thank you for the opportunity to be a part of your healthcare team!
Specialized Areas of Focus
Dr. Mark Schultzel’s practice focus is shoulder and elbow reconstruction (arthroplasty), arthroscopy, and upper extremity sports medicine surgery:
- Upper Extremity Surgery
- Sports Medicine
- Fracture Care
- Shoulder and Elbow Arthroplasty
Dr. Nasser Heyrani’s practice focus is general orthopaedic surgery, including but not limited to:
- Wrist & Hand
- Elbow
- Foot & Ankle
- Shoulder
- Hip & Knee
Dr. John Locke’s practice focus is knee surgery and sports medicine, including but not limited to:
- Knee Arthritis
- Sports Injuries
- Knee Ligament & Meniscus Tears
- Cartilage Defects
- Shoulder Impingement
Dr. Mark Schultzel's Treatments & Procedures Offered
- Conditions Treated:
- Rotator cuff tears
- Labral tears
- Shoulder and elbow instability
- Upper extremity fractures
- Shoulder and elbow arthritis
- Carpal/cubital tunnel syndrome
- Trigger fingers
- Tennis/golfers elbow
- General fracture care
- Meniscus tears
- Knee arthritis
- Procedures Offered:
- Rotator cuff repair
- Rabral repair
- Latarjet
- Shoulder replacement
- Elbow replacement
- Elbow arthroscopy
- Carpal tunnel release
- Cubital tunnel release
- Upper extremity fracture care (clavicle shoulder humerus elbow forearm and wrist)
- Trigger finger release
- Tommy John surgery
- Shoulder and elbow instability/reconstruction
- General orthopaedic surgery trauma (hip fractures ankle fractures patella fractures) knee arthroscopy Meniscal repair
Dr. Nasser Heyrani's Treatments & Procedures Offered
- Wrist & Hand
- Trigger Finger Release
- Carpal Tunnel Release
- Fracture Management
- Tendonitis Surgery
- Dupuytren’s Contracture Release
- Ganglion Cyst Excision
- Elbow
- Tennis Elbow
- Foot & Ankle
- Bunions Foot Surgery
- Achilles Tendon Repair
- Plantar Fasciitis Surgery
- Reconstructive Surgery
- Metatarsalgia
- Morton’s Neuroma
- Foot Fracture
- Shoulder
- Rotator Cuff Repair
- Arthroscopy, Frozen Shoulder
- Arthroscopy for Impingement Syndrome
- Hip & Knee
- Meniscus Tears
- Arthritis
Dr. John Locke's Treatments & Procedures Offered
- Conditions Treated:
- Knee Arthritis
- Sports Injuries
- Knee Ligament Tears
- Knee Meniscus Tears
- Cartilage Defects
- Shoulder Impingement
- Shoulder Rotator Cuff and Labral Tears
- Ankle Osteochondral Defects
- Achilles Tendon Injury
- Carpal Tunnel Syndrome
- Trigger Finger
- Fracture Care
- Procedures Offered:
- Knee Replacement
- ACL Reconstruction
- Meniscus Repair
- Internal Fixation of Fractures
- Arthroscopic & Minimally Invasive Surgery
- Injections: Cortisone, Visco Lubrication & PRP
Our Orthopedic Surgery Team
Mark Schultzel, MD, MBA, FAAOS, FAOA
Nasser Heyrani, MD
John Locke, MD
Our Locations
Request an Appointment
Temecula:
Dr. John Locke | Ph: (951) 517-0534
Dr. Mark Schultzel | Ph: (858) 526-3842
Newport Beach:
Ph: (949) 773-4135
San Diego & Encinitas:
Ph: (858) 526-3842
