Dr. Matthew Siljander

Name: Dr. Matthew Siljander

Specialty: Orthopedics, Hip & Knee Reconstructive Surgery

Qualification/Board Certification: – Chicago Medical School/Rosalind Franklin University of Medicine and Science; BS – Mechanical Engineering, University of Michigan

Affiliation(s): Hoag Memorial Hospital Presbyterian, Hoag Orthopedic Institute Surgery Center Newport Beach

Location (City/State): Newport Beach, California

Languages Spoken: English

Accepting New Patients: Yes

NPI Number: 1831509355

About the Doctor

Dr. Matthew Siljander is a highly skilled and fellowship-trained orthopedic surgeon based in Newport Beach, California, with 11 to 20 years of clinical experience specializing in hip and knee reconstructive surgery. He brings a uniquely multidisciplinary academic foundation to his surgical practice, having first earned a Bachelor of Science in Mechanical Engineering from the University of Michigan from 2002 to 2007 before pursuing his medical degree from Chicago Medical School/Rosalind Franklin University of Medicine and Science. This engineering background provides him with exceptional insight into biomechanics and implant design that directly enhances the precision and outcomes of his joint replacement procedures. He completed his residency in Orthopaedic Surgery at Corewell Health William Beaumont University, Royal Oak/Taylor from 2015 to 2019 and went on to complete a highly specialized Fellowship in Adult Reconstructive Orthopaedics at the prestigious Mayo Clinic College of Medicine and Science, Rochester from 2019 to 2020 — one of the nation’s most respected training programs in orthopedic reconstruction. Dr. Siljander currently practices at Orthopedic Institute of Newport Beach Limited Partnership, located at 22 Corporate Plaza Dr, Newport Beach, California, and is affiliated with Hoag Memorial Hospital Presbyterian, ranked number 47 in orthopedics nationally and designated high performing in back surgery, hip fracture, hip replacement, and knee replacement, as well as Hoag Orthopedic Institute Surgery Center Newport Beach. He holds active medical licenses in California, Texas, Arizona, Minnesota, and Michigan and accepts Elevance, Health Alliance Plan, and Regence Health Plans insurance. Dr. Siljander has received an outstanding 4.8 out of 5 overall patient rating based on 22 reviews and has been honored with six patient awards including Patients’ Top Choice, Patients Recommend, Listens Attentively, Clearly Explains, Performs Thorough Exams, and Great Bedside Manner. He is currently accepting new patients.

• Fellowship-trained in Adult Reconstructive Orthopaedics at Mayo Clinic College of Medicine and Science
• Unique background combining mechanical engineering and orthopedic surgery
• High treatment volumes in knee replacement, hip replacement, and arthritis management
• Affiliated with Hoag Memorial Hospital Presbyterian, ranked #47 in orthopedics nationally
• Hospital designated high performing in hip replacement and knee replacement
• 4.8 out of 5 patient rating with six patient awards
• Active medical licenses in California, Texas, Arizona, Minnesota, and Michigan
• Currently accepting new patients

Education & Training

• Undergraduate – BS, Mechanical Engineering, University of Michigan (2002 to 2007)
• Medical School – MD, Chicago Medical School/Rosalind Franklin University of Medicine and Science
• Residency – Orthopaedic Surgery, Corewell Health William Beaumont University, Royal Oak/Taylor (2015 to 2019)
• Fellowship – Adult Reconstructive Orthopaedics, Mayo Clinic College of Medicine and Science, Rochester (2019 to 2020)

Medical Conditions Treated

Dr. Siljander diagnoses and treats a comprehensive range of orthopedic conditions with a particular focus on hip and knee disorders, joint degeneration, and reconstructive surgical needs.

• Knee joint degeneration requiring knee replacement
• Hip joint degeneration requiring hip replacement
• Osteoarthritis and rheumatoid arthritis of the hip and knee
• Lower back pain and spinal-related musculoskeletal conditions
• Hip fractures and hip injuries
• Cartilage damage and joint surface disorders
• Ligament and tendon injuries around the hip and knee
• Post-surgical joint complications and revision surgery needs
• Avascular necrosis of the hip and knee
• Inflammatory joint diseases
• Sports-related joint injuries in adults
• General musculoskeletal pain and orthopedic conditions

Medical Procedures Performed

Dr. Siljander is trained and experienced in a comprehensive range of orthopedic surgical and non-surgical procedures, with particularly high procedure volumes in hip and knee replacement compared to the California state average.

• Total Knee Replacement Surgery
• Total Hip Replacement Surgery
• Partial Knee Replacement Surgery
• Hip and Knee Revision Surgery
• Adult Reconstructive Orthopaedic Procedures
• Arthritis Management and Joint Preservation
• Hip Fracture Surgical Management
• Minimally Invasive Joint Replacement Techniques
• Pre-operative orthopedic evaluation and planning
• Post-operative rehabilitation planning and follow-up
• Orthopedic consultations and second opinions
• Diagnostic imaging interpretation for joint conditions

Services Offered

Dr. Matthew Siljander offers a comprehensive and highly specialized range of orthopedic and reconstructive surgical services at Orthopedic Institute of Newport Beach, California, combining fellowship-level expertise in adult joint reconstruction with the biomechanical insight of an engineering background to deliver exceptional surgical precision and patient outcomes. His practice is dedicated to restoring mobility, relieving pain, and improving the quality of life of patients with advanced hip and knee conditions.

His total knee replacement services are among his most frequently performed and highly regarded procedures. Dr. Siljander performs total and partial knee replacement surgeries for patients with severe osteoarthritis, rheumatoid arthritis, or other joint-destroying conditions that have significantly impaired mobility and quality of life. His high treatment volumes in knee replacement compared to the California state average, combined with his fellowship training at the Mayo Clinic, reflect a level of expertise and procedural experience that consistently translates into positive patient outcomes.

His total hip replacement services address severe hip joint degeneration, hip fractures, avascular necrosis, and advanced arthritis of the hip. Dr. Siljander’s affiliation with Hoag Memorial Hospital Presbyterian — a nationally ranked orthopedic hospital designated high performing in both hip replacement and knee replacement — ensures that his patients have access to the most advanced surgical facilities, implant technologies, and perioperative support available in the region.

For patients requiring revision surgery following a previous joint replacement, Dr. Siljander provides expert evaluation and complex revision procedures to address implant failure, instability, infection, or other complications that may arise after primary joint replacement. His engineering background uniquely equips him to analyze biomechanical issues in failed implants and develop optimal solutions for each patient’s specific situation.

• Total knee replacement surgery
• Partial knee replacement surgery
• Total hip replacement surgery
• Hip and knee revision surgery
• Adult reconstructive orthopaedic procedures
• Arthritis management and joint preservation
• Hip fracture surgical management
• Minimally invasive joint replacement techniques
• Pre-operative orthopedic evaluation and surgical planning
• Post-operative rehabilitation planning and follow-up
• Orthopedic consultations and second opinions
• Diagnostic imaging interpretation and joint assessment

Accepted Insurances

• Elevance – HMO, POS
• Health Alliance Plan – EPO, HMO, Medicare, POS, PPO
• Regence Health Plans – PPO

Patients are advised to contact Dr. Siljander’s office directly at (949) 722-7038 to confirm current insurance acceptance and coverage details before scheduling an appointment.

Practice Locations

Location 1 – Orthopedic Institute of Newport Beach Address: 22 Corporate Plaza Dr, Newport Beach, CA 92660 Phone: (949) 722-7038

Hospital Affiliations

• Hoag Memorial Hospital Presbyterian, Newport Beach, California (current – ranked #47 in Orthopedics nationally; high performing in back surgery, hip fracture, hip replacement, and knee replacement)
• Hoag Orthopedic Institute Surgery Center Newport Beach, Newport Beach, California (current)
• Mayo Clinic College of Medicine and Science, Rochester, Minnesota (former – Adult Reconstructive Orthopaedics Fellowship, 2019 to 2020)
• Corewell Health William Beaumont University, Royal Oak/Taylor (former – Orthopaedic Surgery Residency, 2015 to 2019)