Dr. Matthew Siljander

Name: Dr. Matthew Siljander
Specialty: Orthopedics
Qualification/Board Certification: MD; Board certification not specified
Affiliation: Hoag Memorial Hospital Presbyterian, Hoag Orthopedic Institute Surgery Center Newport Beach
Locations: Newport Beach, California
Languages Spoken: English
Accepting New Patients: Contact office to confirm
NPI Number: 1831509355

About the Doctor

Dr. Matthew Siljander is a highly regarded orthopedic surgeon specializing in hip and knee reconstructive surgery, practicing in Newport Beach, California. He received his medical degree from Chicago Medical School/Rosalind Franklin University of Medicine and Science, completed his orthopedic surgery residency at Corewell Health William Beaumont University from, and pursued a fellowship in adult reconstructive orthopaedics at the Mayo Clinic College of Medicine and Science (Rochester) from 2019 to 2020. With 11–20 years of experience. He is an expert in six conditions, including hip replacement, knee replacement, arthritis, and lower back pain. He is affiliated with Hoag Memorial Hospital Presbyterian, and high-performing in back surgery, hip fracture, hip replacement, and knee replacement.

• Graduate of Chicago Medical School/Rosalind Franklin University of Medicine and Science

• Orthopedic surgery residency at Corewell Health William Beaumont University

• Fellowship in adult reconstructive orthopaedics at Mayo Clinic

• 11–20 years of clinical experience

• 4.8/5 patient rating (22 reviews); Patients’ Top Choice with 6 awards

• Expert in hip replacement, knee replacement, arthritis, lower back pain, and other joint conditions

• Affiliated with Hoag Memorial Hospital Presbyterian 

Education & Training

Medical School – Chicago Medical School/Rosalind Franklin University of Medicine and Science
Residency – Corewell Health William Beaumont University, Orthopaedic Surgery 
Fellowship/Additional Training – Mayo Clinic College of Medicine and Science, Adult Reconstructive Orthopaedics
Undergraduate – University of Michigan, Bachelor of Science in Mechanical Engineering

Medical Conditions Treated

• Osteoarthritis of the hip and knee

• Rheumatoid arthritis

• Avascular necrosis (osteonecrosis)

• Post-traumatic arthritis

• Hip dysplasia

• Lower back pain (non-operative management)

• Knee meniscal tears and ligament injuries

• Bursitis and tendinitis

• Joint deformity (bowlegs, knock-knees)

• Failed previous joint replacement (revision candidates)

Medical Procedures Performed

• Total hip replacement (primary and revision)

• Total knee replacement (primary and revision)

• Partial knee replacement (unicompartmental)

• Hip resurfacing

• Minimally invasive and muscle-sparing joint replacement techniques

• Robotic-assisted joint replacement (inferred)

• Joint injection (corticosteroid, viscosupplementation)

• Knee arthroscopy (diagnostic and therapeutic)

• Osteotomy around the hip or knee

• Hardware removal

Services Offered

Dr. Matthew Siljander provides specialized orthopedic care focused on surgical and non-surgical management of hip and knee disorders. His practice emphasizes patient education, shared decision-making, and advanced reconstructive techniques to relieve pain, restore function, and improve quality of life. He offers thorough preoperative consultations, including diagnostic imaging and medical optimization. Surgical services range from minimally invasive partial knee replacements to complex revision hip and knee surgeries. Postoperatively, he coordinates with physical therapists and rehabilitation specialists to ensure optimal recovery. Patients consistently commend his clear explanations, attentive listening, and professional, supportive approach. Dr. Siljander also offers non-surgical treatments such as joint injections and activity modifications to delay or avoid surgery when appropriate.

• Comprehensive evaluation of hip and knee pain

• Non-surgical management (medications, injections, physical therapy referral)

• Primary total hip and knee replacement

• Revision hip and knee replacement

• Partial knee replacement

• Minimally invasive and rapid recovery protocols

• Preoperative risk assessment and medical clearance coordination

• Postoperative rehabilitation and long-term follow-up

• Second opinions for joint replacement candidates

Accepted Insurances

• Elevance (HMO, POS)

• Health Alliance Plan (EPO, HMO, Medicare, POS, PPO)

• Regence Health Plans (PPO)

Practice Locations

Address: 22 Corporate Plaza Dr, Newport Beach, CA 
Phone: (949) 722-7038

Hospital Affiliations

• Hoag Memorial Hospital Presbyterian – Newport Beach, California, Hip Fracture, Hip Replacement, and Knee Replacement

• Hoag Orthopedic Institute Surgery Center – Newport Beach, California