Dr. Joshua Hamann, MD
Contact & Location
Columbia, MO 65201
Dr. Joshua Hamann is a board-certified orthopedic surgeon practicing in Columbia, Missouri. Dr. Hamann has performed 21 Medicare-verified knee replacements, ranking #123 in Missouri.
In Missouri, Dr. Hamann performs below average in knee (21 vs 42 avg).
Dr. Hamann's Medicare data shows a focused knee replacement practice with 21 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.
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.
Medicare records for Dr. Hamann extend back to 2013, covering 4 years of data. Over that period, recorded procedure volume increased from 11 to 21 in the most recent data, a 91% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Hamann's 21 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. Hamann Compares
Procedure volume compared to the Missouri state average.
Volume Trend Analysis
Dr. Hamann's Medicare-recorded procedure volume has trended upward over 4 years, increasing 91% from 11 procedures in 2013 to 21 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Hamann
How does Dr. Hamann's procedure volume compare to other Missouri surgeons?
Dr. Hamann has performed 21 Medicare-verified joint replacement procedures. The Missouri average is 59 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Hamann ranks #166 out of 204 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Hamann perform?
Dr. Hamann's reported Medicare volume is focused on knee replacement, with 21 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Hamann 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. Hamann 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. Hamann's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 21 procedures shown here.
Has Dr. Hamann's procedure volume changed over time?
Yes. Dr. Hamann's Medicare-recorded volume has increased from 11 procedures in 2013 to 21 in the most recent data, a 91% increase over 4 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 26 procedures in 2015.
Which hospitals is Dr. Hamann affiliated with?
According to CMS facility affiliation data, Dr. Hamann is affiliated with Boone Hospital Center, University Of Missouri Health Care, Bothwell Regional Health Center.
How does Dr. Hamann compare to other orthopedic surgeons in Columbia?
Among the 18 orthopedic surgeons in Columbia, Dr. Hamann ranks #16 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. Hamann practices?
Boone Hospital Center (4 out of 5 CMS stars, hip/knee complication rate similar to national average); University Of Missouri Health Care (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Bothwell Regional Health Center (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 Columbia, Missouri
Dr. Hamann's 21 Medicare procedures are below the Columbia average of 121. 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.