Dr. Ajay Aggarwal, M.D.
Contact & Location
Columbia, MO 65212
Dr. Ajay Aggarwal is a board-certified orthopedic surgeon practicing in Columbia, Missouri. A Medicare provider since 2006, Dr. Aggarwal has performed 38 Medicare-verified knee replacements (#64 in Missouri) and 26 hip replacements, for a combined total of 64 procedures.
In Missouri, Dr. Aggarwal performs near average in knee (38 vs 42 avg), near average in hip (26 vs 32 avg).
Dr. Aggarwal's reported Medicare volume is split between knee replacements (38 cases) and hip replacements (26 cases).
Columbia is home to 18 orthopedic surgeons in the current Medicare dataset. Patients in the Columbia area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Aggarwal's Medicare data spans 12 years, beginning in 2013. Volume peaked at 135 procedures in 2019 before settling at 64 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Aggarwal's 38 verified procedures is near the national average of 45.
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. Aggarwal Compares
Procedure volume compared to the Missouri state average.
Volume Trend Analysis
Dr. Aggarwal's recorded volume peaked at 135 procedures in 2019 and stood at 64 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.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
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. Aggarwal
How does Dr. Aggarwal's procedure volume compare to other Missouri surgeons?
Dr. Aggarwal has performed 64 Medicare-verified joint replacement procedures. This is in line with the Missouri average of 59 procedures per surgeon. Dr. Aggarwal ranks #68 out of 204 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Aggarwal perform?
Dr. Aggarwal's Medicare data shows procedures in knee replacement (38 cases) and hip replacement (26 cases).
Are there other orthopedic surgeons near Dr. Aggarwal in Columbia?
Yes. There are 18 orthopedic surgeons in Columbia 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. Aggarwal 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. Aggarwal's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 64 procedures shown here.
Has Dr. Aggarwal's procedure volume changed over time?
Dr. Aggarwal's Medicare-recorded volume peaked at 135 procedures in 2019 and was 64 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.
Does Dr. Aggarwal perform more than one type of joint replacement?
Yes. Dr. Aggarwal's Medicare data shows procedures in knee replacement (38 cases), hip replacement (26 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Aggarwal affiliated with?
According to CMS facility affiliation data, Dr. Aggarwal is affiliated with University Of Missouri Health Care.
How does Dr. Aggarwal compare to other orthopedic surgeons in Columbia?
Among the 18 orthopedic surgeons in Columbia, Dr. Aggarwal ranks #8 by total Medicare procedure volume. The highest-volume surgeon in Columbia has 209 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Aggarwal practices?
University Of Missouri Health Care (3 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 Columbia, Missouri
Dr. Aggarwal's 64 Medicare procedures are below the Columbia average of 127. The table below compares verified procedure volumes for orthopedic surgeons practicing in Columbia.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Samuel Thompson | 209 | Hip, Knee |
| Dr. Alexander Wendling | 140 | Hip, Knee |
| Dr. Alan Anz | 138 | Hip, Knee |
| Dr. Kurt Bormann | 137 | Shoulder |
| Dr. Thomas Aleto | 125 | Hip, Knee |
| Dr. James Keeney | 77 | 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.