Dr. Matthew Siljander, MD
Dr. Matthew Siljander is a board-certified orthopedic surgeon practicing in Newport Beach, California. A Medicare provider since 2014, Dr. Siljander has performed 68 Medicare-verified knee replacements (#90 in California) and 66 hip replacements, for a combined total of 134 procedures.
In California, Dr. Siljander performs above average in knee (68 vs 45 avg), above average in hip (66 vs 41 avg).
Dr. Siljander's reported Medicare volume is split between knee replacements (68 cases) and hip replacements (66 cases).
Newport Beach is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Newport Beach area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Siljander extend back to 2021, covering 3 years of data. Over that period, recorded procedure volume increased from 42 to 134 in the most recent data, a 219% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Siljander's 68 verified procedures is above the national average of 45.
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims represent approximately 33–37% of all joint replacements performed nationally (source: CMS data, AJRR). This range estimates the surgeon's total practice volume across all payers. The verified Medicare count above is the definitive, audited figure.
How Dr. Siljander Compares
Procedure volume compared to the California state average.
Contact & Location
Newport Beach, CA 92660
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Siljander's Medicare-recorded procedure volume has trended upward over 3 years, increasing 219% from 42 procedures in 2021 to 134 in the most recent data.
Patient Resources: Preparing for Knee Replacement
If you are considering knee replacement surgery, these evidence-based guides can help you prepare and recover:
An overview of current surgical approaches including robotic-assisted and minimally invasive techniques, implant options, and expected outcomes.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
Knee Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full knee replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Siljander
How does Dr. Siljander's procedure volume compare to other California surgeons?
Dr. Siljander has performed 134 Medicare-verified joint replacement procedures. This is more than 2x the California average of 65 procedures per surgeon. Dr. Siljander ranks #64 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Siljander perform?
Dr. Siljander's Medicare data shows procedures in knee replacement (68 cases) and hip replacement (66 cases).
Are there other orthopedic surgeons near Dr. Siljander in Newport Beach?
Yes. There are 7 orthopedic surgeons in Newport Beach in the current Medicare dataset. Patients can compare procedure volumes and specializations to choose the surgeon who best fits their needs. Use the state page to view all California surgeons.
What does the Medicare data for Dr. Siljander represent?
The procedure counts shown are based on the most recent Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Siljander's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 134 procedures shown here.
Has Dr. Siljander's procedure volume changed over time?
Yes. Dr. Siljander's Medicare-recorded volume has increased from 42 procedures in 2021 to 134 in the most recent data, a 219% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 134 procedures in 2023.
Does Dr. Siljander perform more than one type of joint replacement?
Yes. Dr. Siljander's Medicare data shows procedures in knee replacement (68 cases), hip replacement (66 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
How does Dr. Siljander compare to other orthopedic surgeons in Newport Beach?
Among the 7 orthopedic surgeons in Newport Beach, Dr. Siljander ranks #2 by total Medicare procedure volume. Dr. Siljander is among the highest-volume surgeons in Newport Beach.
Other Orthopedic Surgeons in Newport Beach, California
Dr. Siljander's 134 Medicare procedures are above the Newport Beach average of 111. The table below compares verified procedure volumes for orthopedic surgeons practicing in Newport Beach.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Nader Nassif | 257 | Hip, Knee |
| Dr. Hafiz Kassam | 106 | Shoulder |
| Dr. Michael Hunter | 91 | Hip, Knee |
| Dr. Zachary Adler | 82 | Hip, Knee |
| Dr. Mark Newman | 79 | Hip, Knee |
| Dr. Russell Petrie | 27 | Shoulder |
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