Dr. Jeffrey Duncan, D.O.
Dr. Jeffrey Duncan is a board-certified orthopedic surgeon practicing in Altus, Oklahoma. Dr. Duncan has completed 37 knee replacements (#39 in Oklahoma), 15 shoulder replacements, and 13 hip replacements, totaling 65 Medicare-verified procedures.
In Oklahoma, Dr. Duncan performs near average in knee (37 vs 46 avg), below average in shoulder (15 vs 22 avg), below average in hip (13 vs 34 avg).
Dr. Duncan performs all three major joint replacement procedures — hip, knee, and shoulder — indicating a broad scope of orthopedic practice. The largest share is knee replacements (37 cases), followed by shoulder replacements (15) and hip replacements (13).
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.
Medicare records for Dr. Duncan extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 21 to 65 in the most recent data, a 210% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Duncan's 37 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 Oklahoma state average.
Contact & Location
Altus, OK 73521
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Duncan's Medicare-recorded procedure volume has trended upward over 11 years, increasing 210% from 21 procedures in 2013 to 65 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.
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 65 Medicare-verified joint replacement procedures. This is in line with the Oklahoma average of 63 procedures per surgeon. Dr. Duncan ranks #39 out of 122 orthopedic surgeons in Oklahoma.
What types of joint replacement does Dr. Duncan perform?
Dr. Duncan performs all three major joint replacement procedures: knee replacement (37 cases), shoulder replacement (15 cases), hip replacement (13 cases). This breadth indicates a comprehensive orthopedic joint replacement practice.
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 65 procedures shown here.
Has Dr. Duncan's procedure volume changed over time?
Yes. Dr. Duncan's Medicare-recorded volume has increased from 21 procedures in 2013 to 65 in the most recent data, a 210% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 67 procedures in 2018.
Does Dr. Duncan perform more than one type of joint replacement?
Yes. Dr. Duncan's Medicare data shows procedures in knee replacement (37 cases), shoulder replacement (15 cases), hip replacement (13 cases). Performing all three major joint replacements places Dr. Duncan among the 5% of orthopedic surgeons nationally who cover hip, knee, and shoulder arthroplasty.
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 65 Medicare procedures are below the Altus average of 66. The table below compares verified procedure volumes for orthopedic surgeons practicing in Altus.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Greg Pickett | 105 | Hip, Knee, Shoulder |
| Dr. John Gallagher | 29 | Hip, Knee |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
These links lead to third-party websites. OrthoProcedures.com is not affiliated with these platforms and cannot verify the accuracy of reviews.