Dr. Jeffrey Duncan, D.O.
Contact & Location
Altus, OK 73521
Dr. Jeffrey Duncan is a board-certified orthopedic surgeon practicing in Altus, Oklahoma. A Medicare provider since 2007, Dr. Duncan has performed 28 Medicare-verified knee replacements, ranking #61 in Oklahoma.
In Oklahoma, Dr. Duncan performs below average in knee (28 vs 47 avg).
Dr. Duncan's Medicare data shows a focused knee replacement practice with 28 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.
Altus is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Altus area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Duncan's Medicare data spans 12 years, beginning in 2013. Volume peaked at 67 procedures in 2018 before settling at 28 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 28 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 Oklahoma state average.
Volume Trend Analysis
Dr. Duncan's recorded volume peaked at 67 procedures in 2018 and stood at 28 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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 Oklahoma surgeons?
Dr. Duncan has performed 28 Medicare-verified joint replacement procedures. The Oklahoma average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Duncan ranks #76 out of 119 orthopedic surgeons in Oklahoma.
What types of joint replacement does Dr. Duncan perform?
Dr. Duncan's reported Medicare volume is focused on knee replacement, with 28 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Duncan in Altus?
Yes. There are 3 orthopedic surgeons in Altus 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 Oklahoma 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 28 procedures shown here.
Has Dr. Duncan's procedure volume changed over time?
Dr. Duncan's Medicare-recorded volume peaked at 67 procedures in 2018 and was 28 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 Ssm Health St Anthony Hospital - Midwest.
How does Dr. Duncan compare to other orthopedic surgeons in Altus?
Among the 3 orthopedic surgeons in Altus, Dr. Duncan ranks #2 by total Medicare procedure volume. Dr. Duncan is among the highest-volume surgeons in Altus.
What are the quality ratings for hospitals where Dr. Duncan practices?
Ssm Health St Anthony Hospital - Midwest (2 out of 5 CMS stars, hip/knee complication rate similar to national average). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Altus, Oklahoma
Dr. Duncan's 28 Medicare procedures are below the Altus average of 41. The table below compares verified procedure volumes for orthopedic surgeons practicing in Altus.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Greg Pickett | 70 | Hip, Knee, Shoulder |
| Dr. John Gallagher | 26 | Hip, Knee |
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.