Dr. Brian Duncan, M.D.
Contact & Location
Atchison, KS 66002
Dr. Brian Duncan is a board-certified orthopedic surgeon practicing in Atchison, Kansas. A Medicare provider since 2007, Dr. Duncan has performed 29 Medicare-verified knee replacements, ranking #66 in Kansas.
In Kansas, Dr. Duncan performs below average in knee (29 vs 62 avg).
Dr. Duncan's Medicare data shows a focused knee replacement practice with 29 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.
Dr. Duncan is the only orthopedic surgeon in Atchison represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Dr. Duncan's Medicare data spans 11 years, beginning in 2013. Volume peaked at 72 procedures in 2017 before settling at 29 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Duncan's 29 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
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 Kansas state average.
Volume Trend Analysis
Dr. Duncan's recorded volume peaked at 72 procedures in 2017 and stood at 29 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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 Kansas surgeons?
Dr. Duncan has performed 29 Medicare-verified joint replacement procedures. The Kansas average is 85 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Duncan ranks #85 out of 110 orthopedic surgeons in Kansas.
What types of joint replacement does Dr. Duncan perform?
Dr. Duncan's reported Medicare volume is focused on knee replacement, with 29 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Where is Dr. Duncan's practice located?
Dr. Duncan practices in Atchison, Kansas. The office is located at 800 Ravenhill Dr, Atchison, KS 66002. Patients in the surrounding area can consult Dr. Duncan for joint replacement evaluation.
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 29 procedures shown here.
Has Dr. Duncan's procedure volume changed over time?
Dr. Duncan's Medicare-recorded volume peaked at 72 procedures in 2017 and was 29 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.
Which hospitals is Dr. Duncan affiliated with?
According to CMS facility affiliation data, Dr. Duncan is affiliated with Amberwell Atchison Association, Amberwell Hiawatha.
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.
Patient Resources & Verification
Research reviews, verify credentials, and check official quality data through these trusted sources:
Medicare Care Compare and NPI Registry are official U.S. government sources. Google reviews reflect user-submitted feedback. OrthoProcedures.com does not verify the accuracy of third-party review content.