Dr. Robert Haas, D.O.
Dr. Robert Haas is a board-certified orthopedic surgeon practicing in Leavenworth, Kansas. A Medicare provider since 2012, Dr. Haas has performed 28 Medicare-verified knee replacements (#71 in Kansas) and 15 hip replacements, for a combined total of 43 procedures.
In Kansas, Dr. Haas performs below average in knee (28 vs 64 avg), below average in hip (15 vs 37 avg).
Dr. Haas's reported Medicare volume is split between knee replacements (28 cases) and hip replacements (15 cases).
Dr. Haas is the only orthopedic surgeon in Leavenworth represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Haas extend back to 2018, covering 6 years of data. Over that period, recorded procedure volume increased from 17 to 43 in the most recent data, a 153% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Haas's 28 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Haas Compares
Procedure volume compared to the Kansas state average.
Contact & Location
Leavenworth, KS 66048
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Haas's Medicare-recorded procedure volume has trended upward over 6 years, increasing 153% from 17 procedures in 2018 to 43 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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Haas
How does Dr. Haas's procedure volume compare to other Kansas surgeons?
Dr. Haas has performed 43 Medicare-verified joint replacement procedures. The Kansas average is 81 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Haas ranks #69 out of 118 orthopedic surgeons in Kansas.
What types of joint replacement does Dr. Haas perform?
Dr. Haas's Medicare data shows procedures in knee replacement (28 cases) and hip replacement (15 cases).
Where is Dr. Haas's practice located?
Dr. Haas practices in Leavenworth, Kansas. The office is located at 1001 6th Ave, Leavenworth, KS 66048. Patients in the surrounding area can consult Dr. Haas for joint replacement evaluation.
What does the Medicare data for Dr. Haas 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. Haas's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 43 procedures shown here.
Has Dr. Haas's procedure volume changed over time?
Yes. Dr. Haas's Medicare-recorded volume has increased from 17 procedures in 2018 to 43 in the most recent data, a 153% increase over 6 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 43 procedures in 2021.
Does Dr. Haas perform more than one type of joint replacement?
Yes. Dr. Haas's Medicare data shows procedures in knee replacement (28 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Haas affiliated with?
According to CMS facility affiliation data, Dr. Haas is affiliated with Saint Lukes North Hospital, St Lukes Hospital Of Kansas City. Dr. Haas maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
What are the quality ratings for hospitals where Dr. Haas practices?
Saint Lukes North Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); St Lukes Hospital Of Kansas City (4 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.
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.