Knee
Dr. David O'regan, MD
Dr. David O'regan is a board-certified orthopedic surgeon practicing in Bismarck, North Dakota. A Medicare provider since 2006, Dr. O'regan has performed 26 Medicare-verified knee replacements, ranking #19 in North Dakota.
In North Dakota, Dr. O'regan performs below average in knee (26 vs 45 avg).
Dr. O'regan'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.
Bismarck is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Bismarck area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. O'regan's Medicare data spans 11 years, beginning in 2013. Volume peaked at 52 procedures in 2015 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. O'regan'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. O'regan Compares
Procedure volume compared to the North Dakota state average.
Contact & Location
Bismarck, ND 58501
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. O'regan's recorded volume peaked at 52 procedures in 2015 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.
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'regan
How does Dr. O'regan's procedure volume compare to other North Dakota surgeons?
Dr. O'regan has performed 26 Medicare-verified joint replacement procedures. The North Dakota average is 66 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. O'regan ranks #24 out of 33 orthopedic surgeons in North Dakota.
What types of joint replacement does Dr. O'regan perform?
Dr. O'regan'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.
How experienced is Dr. O'regan with knee replacement surgery?
Dr. O'regan ranks #19 in North Dakota for knee replacement with 26 Medicare-verified procedures. This high ranking among 33 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. O'regan in Bismarck?
Yes. There are 11 orthopedic surgeons in Bismarck 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 North Dakota surgeons.
What does the Medicare data for Dr. O'regan 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'regan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 26 procedures shown here.
Has Dr. O'regan's procedure volume changed over time?
Dr. O'regan's Medicare-recorded volume peaked at 52 procedures in 2015 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. O'regan compare to other orthopedic surgeons in Bismarck?
Among the 11 orthopedic surgeons in Bismarck, Dr. O'regan ranks #10 by total Medicare procedure volume. The highest-volume surgeon in Bismarck has 166 verified Medicare procedures.
Other Orthopedic Surgeons in Bismarck, North Dakota
Dr. O'regan's 26 Medicare procedures are below the Bismarck average of 97. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bismarck.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Brian Dahl | 166 | Hip, Knee |
| Dr. Derrick Cote | 137 | Hip, Knee, Shoulder |
| Dr. Timothy Bopp | 125 | Hip, Knee |
| Dr. Coridon Huez | 89 | Hip, Knee |
| Dr. Joseph Carlson | 83 | Knee |
| Dr. Matthew Carpenter | 52 | Hip, Knee |
Patient Reviews & Ratings
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