Dr. Matthew Colligan is a board-certified orthopedic surgeon practicing in Green Bay, Wisconsin. In 2023, Dr. Colligan performed 44 Medicare-verified knee replacements (#40 in Wisconsin) and 11 hip replacements, for a combined total of 55 procedures.
Dr. Colligan's 55 Medicare procedures are near the Wisconsin median of 42. The state has 182 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. Colligan's practice is heavily focused on knee replacement surgery, which accounts for 80% of reported Medicare volume.
Green Bay is home to 17 orthopedic surgeons in the current Medicare dataset. Patients in the Green Bay 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. Colligan
How does Dr. Colligan's procedure volume compare to other Wisconsin surgeons?
In 2023, Dr. Colligan performed 55 Medicare-verified joint replacement procedures. This is in line with the Wisconsin average of 52 procedures per surgeon. Dr. Colligan ranks #66 out of 182 orthopedic surgeons in Wisconsin.
What types of joint replacement does Dr. Colligan perform?
Dr. Colligan's Medicare data shows procedures in knee replacement (44 cases) and hip replacement (11 cases).
Are there other orthopedic surgeons near Dr. Colligan in Green Bay?
Yes. There are 17 orthopedic surgeons in Green Bay 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 Wisconsin surgeons.
What does the Medicare data for Dr. Colligan 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. Colligan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 55 procedures shown here.
Other Orthopedic Surgeons in Green Bay, Wisconsin
Compare Dr. Colligan's volume with other surgeons practicing in Green Bay.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Kirk Dimitris | 111 | Hip, Knee |
| Dr. Michael Schnaubelt | 99 | Hip, Knee |
| Dr. Michael Tressler | 86 | Hip, Knee, Shoulder |
| Dr. Kenneth Kleist | 69 | Hip, Knee |
| Dr. Walker Flannery | 64 | Hip, Knee |
| Dr. Gordon Roedel | 46 | Hip, Knee |
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Green Bay, WI 54303