Dr. Alan Anz, MD
Contact & Location
Columbia, MO 65201
Dr. Alan Anz is a board-certified orthopedic surgeon practicing in Columbia, Missouri. A Medicare provider since 2006, Dr. Anz has performed 104 Medicare-verified knee replacements (#10 in Missouri) and 34 hip replacements, for a combined total of 138 procedures.
In Missouri, Dr. Anz performs well above average in knee (104 vs 42 avg), near average in hip (34 vs 32 avg).
Dr. Anz's practice is heavily focused on knee replacement surgery, which accounts for 75% of reported Medicare volume.
Beyond general orthopedic surgery, Dr. Anz holds additional credentials in Adult Reconstructive Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
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. Anz extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 111 to 138 in the most recent data, a 24% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Anz's 104 verified procedures is more than 2x 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. Anz Compares
Procedure volume compared to the Missouri state average.
Volume Trend Analysis
Dr. Anz's Medicare-recorded procedure volume has trended upward over 12 years, increasing 24% from 111 procedures in 2013 to 138 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.
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.
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. Anz
How does Dr. Anz's procedure volume compare to other Missouri surgeons?
Dr. Anz has performed 138 Medicare-verified joint replacement procedures. This is more than 2x the Missouri average of 59 procedures per surgeon. Dr. Anz ranks #16 out of 204 orthopedic surgeons in Missouri.
What types of joint replacement does Dr. Anz perform?
Dr. Anz's Medicare data shows procedures in knee replacement (104 cases) and hip replacement (34 cases).
How experienced is Dr. Anz with knee replacement surgery?
Dr. Anz ranks #10 in Missouri for knee replacement with 104 Medicare-verified procedures. This high ranking among 204 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Anz 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. Anz 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. Anz's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 138 procedures shown here.
Has Dr. Anz's procedure volume changed over time?
Yes. Dr. Anz's Medicare-recorded volume has increased from 111 procedures in 2013 to 138 in the most recent data, a 24% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 190 procedures in 2020.
Does Dr. Anz perform more than one type of joint replacement?
Yes. Dr. Anz's Medicare data shows procedures in knee replacement (104 cases), hip replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Anz affiliated with?
According to CMS facility affiliation data, Dr. Anz is affiliated with Boone Hospital Center, Bothwell Regional Health Center, Macon County Samaritan Memorial Hospital, University Of Missouri Health Care, Lake Regional Health System.
How does Dr. Anz compare to other orthopedic surgeons in Columbia?
Among the 18 orthopedic surgeons in Columbia, Dr. Anz ranks #3 by total Medicare procedure volume. Dr. Anz is among the highest-volume surgeons in Columbia.
What are the quality ratings for hospitals where Dr. Anz practices?
Boone Hospital Center (4 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); Macon County Samaritan Memorial Hospital (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. Anz's 138 Medicare procedures are above 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. Kurt Bormann | 137 | Shoulder |
| Dr. Thomas Aleto | 125 | Hip, Knee |
| Dr. James Keeney | 77 | Hip, Knee |
| Dr. Khalid Waliullah | 66 | 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.