Dr. Karl Roberts is a board-certified orthopedic surgeon practicing in Grand Rapids, Michigan. In 2023, Dr. Roberts performed 21 Medicare-verified knee replacements (#137 in Michigan) and 11 hip replacements, for a combined total of 32 procedures.
Dr. Roberts's 32 Medicare procedures are near the Michigan median of 38. The state has 272 orthopedic surgeons in the current Medicare dataset. Medicare fee-for-service data captures roughly 33–37% of all joint replacements, so total surgical volume is likely higher.
Dr. Roberts's reported Medicare volume is split between knee replacements (21 cases) and hip replacements (11 cases).
Grand Rapids is home to 19 orthopedic surgeons in the current Medicare dataset. Patients in the Grand Rapids area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Verified Medicare Cases (2023)
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.
Hospital Affiliations
Verified Case Volume Trends (2013-2023)
Frequently Asked Questions About Dr. Roberts
How does Dr. Roberts's procedure volume compare to other Michigan surgeons?
In 2023, Dr. Roberts performed 32 Medicare-verified joint replacement procedures. The Michigan average is 48 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Roberts ranks #156 out of 272 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. Roberts perform?
Dr. Roberts's Medicare data shows procedures in knee replacement (21 cases) and hip replacement (11 cases).
Are there other orthopedic surgeons near Dr. Roberts in Grand Rapids?
Yes. There are 19 orthopedic surgeons in Grand Rapids 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 Michigan surgeons.
What does the Medicare data for Dr. Roberts represent?
The procedure counts shown are based on Medicare Part B fee-for-service claims data for 2023, published by the Centers for Medicare and Medicaid Services (CMS). This captures approximately 33–37% of all joint replacements performed nationally. Dr. Roberts's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 32 procedures shown here.
Other Orthopedic Surgeons in Grand Rapids, Michigan
Compare Dr. Roberts's volume with other surgeons practicing in Grand Rapids.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Charles Sherry | 101 | Hip, Knee |
| Dr. Kory Johnson | 77 | Hip, Knee |
| Dr. John Mahajan | 65 | Hip, Knee |
| Dr. Thomas Malvitz | 52 | Hip, Knee |
| Dr. Benjamin Strong | 44 | Hip, Knee |
| Dr. Peter Ugolini | 43 | Shoulder |
Preparing for Surgery?
Browse recommended recovery products for knee replacement
View Recovery ProductsContact & Location
Grand Rapids, MI 49546