Dr. Matthew Reynen, M.D.
Dr. Matthew Reynen is a board-certified orthopedic surgeon practicing in Aberdeen, South Dakota. Dr. Reynen has performed 50 Medicare-verified knee replacements (#12 in South Dakota) and 36 hip replacements, for a combined total of 86 procedures.
In South Dakota, Dr. Reynen performs near average in knee (50 vs 45 avg), near average in hip (36 vs 36 avg).
Dr. Reynen's reported Medicare volume is split between knee replacements (50 cases) and hip replacements (36 cases).
Aberdeen is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Aberdeen area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Reynen extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 63 to 86 in the most recent data, a 37% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Reynen's 50 verified procedures is near 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. Reynen Compares
Procedure volume compared to the South Dakota state average.
Contact & Location
Aberdeen, SD 57401
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Reynen's Medicare-recorded procedure volume has trended upward over 11 years, increasing 37% from 63 procedures in 2013 to 86 in the most recent data.
Hospital Affiliations & Quality
Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.
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. Reynen
How does Dr. Reynen's procedure volume compare to other South Dakota surgeons?
Dr. Reynen has performed 86 Medicare-verified joint replacement procedures. This is in line with the South Dakota average of 72 procedures per surgeon. Dr. Reynen ranks #14 out of 51 orthopedic surgeons in South Dakota.
What types of joint replacement does Dr. Reynen perform?
Dr. Reynen's Medicare data shows procedures in knee replacement (50 cases) and hip replacement (36 cases).
How experienced is Dr. Reynen with knee replacement surgery?
Dr. Reynen ranks #12 in South Dakota for knee replacement with 50 Medicare-verified procedures. This high ranking among 51 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Reynen in Aberdeen?
Yes. There are 3 orthopedic surgeons in Aberdeen 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 South Dakota surgeons.
What does the Medicare data for Dr. Reynen 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. Reynen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 86 procedures shown here.
Has Dr. Reynen's procedure volume changed over time?
Yes. Dr. Reynen's Medicare-recorded volume has increased from 63 procedures in 2013 to 86 in the most recent data, a 37% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 121 procedures in 2018.
Does Dr. Reynen perform more than one type of joint replacement?
Yes. Dr. Reynen's Medicare data shows procedures in knee replacement (50 cases), hip replacement (36 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Reynen affiliated with?
According to CMS facility affiliation data, Dr. Reynen is affiliated with Avera St Lukes.
How does Dr. Reynen compare to other orthopedic surgeons in Aberdeen?
Among the 3 orthopedic surgeons in Aberdeen, Dr. Reynen ranks #1 by total Medicare procedure volume. Dr. Reynen has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Reynen practices?
Avera St Lukes (5 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Aberdeen, South Dakota
Dr. Reynen's 86 Medicare procedures are above the Aberdeen average of 58. The table below compares verified procedure volumes for orthopedic surgeons practicing in Aberdeen.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Patrick Miller | 45 | Knee, Shoulder |
| Dr. James MacDougall | 42 | Hip, Knee |
Patient Reviews & Ratings
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