Dr. Brian Duncan, M.D.
Dr. Brian Duncan is a board-certified orthopedic surgeon practicing in Saint Joseph, Missouri. A Medicare provider since 2007, Dr. Duncan has performed 39 Medicare-verified knee replacements (#58 in Missouri) and 19 hip replacements, for a combined total of 58 procedures.
In Missouri, Dr. Duncan performs near average in knee (39 vs 43 avg), below average in hip (19 vs 30 avg).
Dr. Duncan's reported Medicare volume is split between knee replacements (39 cases) and hip replacements (19 cases).
Saint Joseph is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Saint Joseph area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Duncan extend back to 2013, covering 10 years of data. Over that period, recorded procedure volume increased from 11 to 58 in the most recent data, a 427% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Duncan's 39 verified procedures is near the national average of 45.
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. Duncan Compares
Procedure volume compared to the Missouri state average.
Contact & Location
Saint Joseph, MO 64506
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Duncan's Medicare-recorded procedure volume has trended upward over 10 years, increasing 427% from 11 procedures in 2013 to 58 in the most recent data.
Hospital Affiliations & Quality
Quality ratings and complication rates are hospital-level metrics from CMS Hospital Compare and do not reflect individual surgeon performance. Star ratings updated quarterly. Complication data covers a rolling 3-year period.
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. Duncan
How does Dr. Duncan's procedure volume compare to other Missouri surgeons?
Dr. Duncan has performed 58 Medicare-verified joint replacement procedures. This is in line with the Missouri average of 56 procedures per surgeon. Dr. Duncan ranks #68 out of 199 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Duncan perform?
Dr. Duncan's Medicare data shows procedures in knee replacement (39 cases) and hip replacement (19 cases).
Are there other orthopedic surgeons near Dr. Duncan in Saint Joseph?
Yes. There are 4 orthopedic surgeons in Saint Joseph 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. Duncan 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. Duncan's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 58 procedures shown here.
Has Dr. Duncan's procedure volume changed over time?
Yes. Dr. Duncan's Medicare-recorded volume has increased from 11 procedures in 2013 to 58 in the most recent data, a 427% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 72 procedures in 2017.
Does Dr. Duncan perform more than one type of joint replacement?
Yes. Dr. Duncan's Medicare data shows procedures in knee replacement (39 cases), hip replacement (19 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Duncan affiliated with?
According to CMS facility affiliation data, Dr. Duncan is affiliated with Amberwell Atchison Association, Amberwell Hiawatha. Dr. Duncan maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Duncan compare to other orthopedic surgeons in Saint Joseph?
Among the 4 orthopedic surgeons in Saint Joseph, Dr. Duncan ranks #2 by total Medicare procedure volume. Dr. Duncan is among the highest-volume surgeons in Saint Joseph.
What are the quality ratings for hospitals where Dr. Duncan practices?
Amberwell Atchison Association (hip/knee complication rate similar to national average); Amberwell Hiawatha (3 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Saint Joseph, Missouri
Dr. Duncan's 58 Medicare procedures are above the Saint Joseph average of 53. The table below compares verified procedure volumes for orthopedic surgeons practicing in Saint Joseph.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Judd Smith | 87 | Knee, Shoulder |
| Dr. Corey Trease | 54 | Hip, Knee |
| Dr. Christopher Schaefer | 12 | Knee |
Patient Reviews & Ratings
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