Dr. Cassandra Lange, MD
Contact & Location
319-449-4763
Cedar Rapids, IA 52402
About Dr. Lange
Dr. Cassandra Lange is a board-certified orthopedic surgeon practicing in Cedar Rapids, Iowa. A Medicare provider since 2005, Dr. Lange performed 62 Medicare-verified hip replacements (#11 in Iowa) and 58 knee replacements in the latest annual CMS data, for a combined total of 120 procedures.
In Iowa, Dr. Lange performs above the state average in hip (62 vs 36), above the state average in knee (58 vs 48).
Dr. Lange's reported Medicare volume is split between hip replacements (62 cases) and knee replacements (58 cases).
Cedar Rapids is home to 12 orthopedic surgeons in the current Medicare dataset. Patients in the Cedar Rapids area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Lange extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 94 to 120 in the most recent data, a 28% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Lange's 62 verified procedures is above the national average of 36.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 46 | 48 |
| 2014 | 71 | 58 |
| 2015 | 64 | 64 |
| 2016 | 70 | 63 |
| 2017 | 70 | 39 |
| 2018 | 69 | 32 |
| 2019 | 70 | 38 |
| 2020 | 38 | 31 |
| 2021 | 55 | 38 |
| 2022 | 60 | 48 |
| 2023 | 56 | 47 |
| 2024 | 62 | 58 |
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. Lange Compares
Procedure volume compared to the Iowa state average.
Volume Trend Analysis
Dr. Lange's Medicare-recorded procedure volume has trended upward over 12 years, increasing 28% from 94 procedures in 2013 to 120 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Lange
How does Dr. Lange's procedure volume compare to other Iowa surgeons?
Dr. Lange has performed 120 Medicare-verified joint replacement procedures. This is significantly above the Iowa average of 73 procedures per surgeon. Dr. Lange ranks #18 out of 105 orthopedic surgeons in Iowa.
What types of joint replacement does Dr. Lange perform?
Dr. Lange's Medicare data shows procedures in hip replacement (62 cases) and knee replacement (58 cases).
How experienced is Dr. Lange with hip replacement surgery?
Dr. Lange ranks #11 in Iowa for hip replacement with 62 Medicare-verified procedures. This high ranking among 105 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Lange in Cedar Rapids?
Yes. There are 12 orthopedic surgeons in Cedar Rapids 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 Iowa surgeons.
What does the Medicare data for Dr. Lange 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. Lange's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 120 procedures shown here.
Has Dr. Lange's procedure volume changed over time?
Yes. Dr. Lange's Medicare-recorded volume has increased from 94 procedures in 2013 to 120 in the most recent data, a 28% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 133 procedures in 2016.
Does Dr. Lange perform more than one type of joint replacement?
Yes. Dr. Lange's Medicare data shows procedures in hip replacement (62 cases), knee replacement (58 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Lange affiliated with?
According to CMS facility affiliation data, Dr. Lange is affiliated with Mercy Medical Center - Cedar Rapids, St Lukes Hospital, Regional Medical Center, Buchanan County Health Center, Virginia Gay Hospital.
How does Dr. Lange compare to other orthopedic surgeons in Cedar Rapids?
Among the 12 orthopedic surgeons in Cedar Rapids, Dr. Lange ranks #3 by total Medicare procedure volume. Dr. Lange is among the highest-volume surgeons in Cedar Rapids.
What are the quality ratings for hospitals where Dr. Lange practices?
Mercy Medical Center - Cedar Rapids (3 out of 5 CMS stars, hip/knee complication rate similar to national average); St Lukes Hospital (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.
Other Orthopedic Surgeons in Cedar Rapids, Iowa
Dr. Lange's 120 Medicare procedures are above the Cedar Rapids average of 104. The table below compares verified procedure volumes for orthopedic surgeons practicing in Cedar Rapids.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Sandeep Munjal | 198 | Hip, Knee |
| Dr. Jeffrey Nassif | 139 | Hip, Knee, Shoulder |
| Dr. Omar Akhtar | 98 | Hip, Knee |
| Dr. Kyle Switzer | 61 | Knee |
| Dr. John Hart | 56 | Knee, Shoulder |
| Dr. Andrea Stitgen Policano | 54 | 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.