Knee
Dr. Thomas O'hagan, M.D.
Dr. Thomas O'hagan is a board-certified orthopedic surgeon practicing in Traverse City, Michigan. A Medicare provider since 2008, Dr. O'hagan has performed 17 Medicare-verified knee replacements, ranking #164 in Michigan.
In Michigan, Dr. O'hagan performs below average in knee (17 vs 33 avg).
Dr. O'hagan's Medicare data shows a focused knee replacement practice with 17 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.
Traverse City is home to 13 orthopedic surgeons in the current Medicare dataset. Patients in the Traverse City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. O'hagan's Medicare record spans 8 years from 2016 through 2023. Procedure volume has remained consistent during that period, ranging from 15 to 25 procedures per year, reflecting a steady joint replacement practice.
Dr. O'hagan's 17 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. O'hagan Compares
Procedure volume compared to the Michigan state average.
Contact & Location
Traverse City, MI 49684
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. O'hagan's procedure volume has been consistent across 8 years of Medicare data, ranging from 15 to 25 procedures per year. This stability suggests a well-established joint replacement practice.
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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. O'hagan
How does Dr. O'hagan's procedure volume compare to other Michigan surgeons?
Dr. O'hagan has performed 17 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. O'hagan ranks #216 out of 272 orthopedic surgeons in Michigan.
What types of joint replacement does Dr. O'hagan perform?
Dr. O'hagan's reported Medicare volume is focused on knee replacement, with 17 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. O'hagan in Traverse City?
Yes. There are 13 orthopedic surgeons in Traverse City 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. O'hagan 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. O'hagan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 17 procedures shown here.
Has Dr. O'hagan's procedure volume changed over time?
Dr. O'hagan's procedure volume has been relatively stable over 8 years of Medicare data, ranging from 15 to 25 procedures per year between 2016 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
How does Dr. O'hagan compare to other orthopedic surgeons in Traverse City?
Among the 13 orthopedic surgeons in Traverse City, Dr. O'hagan ranks #12 by total Medicare procedure volume. The highest-volume surgeon in Traverse City has 130 verified Medicare procedures.
Other Orthopedic Surgeons in Traverse City, Michigan
Dr. O'hagan's 17 Medicare procedures are below the Traverse City average of 67. The table below compares verified procedure volumes for orthopedic surgeons practicing in Traverse City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Todd Galdes | 130 | Hip, Knee |
| Dr. Joseph McGraw | 92 | Hip, Knee |
| Dr. Justin Hollander | 65 | Hip, Knee |
| Dr. Eric Lerche | 64 | Hip, Knee |
| Dr. William Austin | 52 | Hip, Knee |
| Dr. Brent Wiersema | 49 | Hip, Knee |
Patient Reviews & Ratings
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