Knee
Dr. Robert Mahnken, MD
Dr. Robert Mahnken is a board-certified orthopedic surgeon practicing in Springfield, Missouri. A Medicare provider since 2007, Dr. Mahnken has performed 26 Medicare-verified knee replacements, ranking #95 in Missouri.
In Missouri, Dr. Mahnken performs below average in knee (26 vs 43 avg).
Dr. Mahnken's Medicare data shows a focused knee replacement practice with 26 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Springfield is home to 12 orthopedic surgeons in the current Medicare dataset. Patients in the Springfield area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Mahnken's Medicare data spans 11 years, beginning in 2013. Volume peaked at 123 procedures in 2019 before settling at 26 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Mahnken's 26 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Mahnken Compares
Procedure volume compared to the Missouri state average.
Contact & Location
Springfield, MO 65804
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Mahnken's recorded volume peaked at 123 procedures in 2019 and stood at 26 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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. Mahnken
How does Dr. Mahnken's procedure volume compare to other Missouri surgeons?
Dr. Mahnken has performed 26 Medicare-verified joint replacement procedures. The Missouri average is 56 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Mahnken ranks #140 out of 199 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Mahnken perform?
Dr. Mahnken's reported Medicare volume is focused on knee replacement, with 26 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Mahnken in Springfield?
Yes. There are 12 orthopedic surgeons in Springfield 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 Missouri surgeons.
What does the Medicare data for Dr. Mahnken 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. Mahnken's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 26 procedures shown here.
Has Dr. Mahnken's procedure volume changed over time?
Dr. Mahnken's Medicare-recorded volume peaked at 123 procedures in 2019 and was 26 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
How does Dr. Mahnken compare to other orthopedic surgeons in Springfield?
Among the 12 orthopedic surgeons in Springfield, Dr. Mahnken ranks #10 by total Medicare procedure volume. The highest-volume surgeon in Springfield has 157 verified Medicare procedures.
Other Orthopedic Surgeons in Springfield, Missouri
Dr. Mahnken's 26 Medicare procedures are below the Springfield average of 89. The table below compares verified procedure volumes for orthopedic surgeons practicing in Springfield.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Bradley Walz | 157 | Hip, Knee |
| Dr. Christopher Wester | 113 | Hip, Knee |
| Dr. Pierre Clothiaux | 86 | Knee |
| Dr. William Wester | 82 | Hip, Knee |
| Dr. William Duncan | 81 | Knee, Shoulder |
| Dr. Jonathan Crites | 78 | Shoulder |
Patient Reviews & Ratings
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