Dr. Cassandra Lange, MD
Dr. Cassandra Lange is a board-certified orthopedic surgeon practicing in Cedar Rapids, Iowa. A Medicare provider since 2005, Dr. Lange has performed 56 Medicare-verified hip replacements (#11 in Iowa) and 47 knee replacements, for a combined total of 103 procedures.
In Iowa, Dr. Lange performs above average in hip (56 vs 35 avg), near average in knee (47 vs 50 avg).
Dr. Lange's reported Medicare volume is split between hip replacements (56 cases) and knee replacements (47 cases).
Cedar Rapids is home to 13 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.
Dr. Lange's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 69 to 133 procedures per year, reflecting a steady joint replacement practice.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Lange's 56 verified procedures is above the national average of 36.
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.
Contact & Location
Cedar Rapids, IA 52402
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Lange's procedure volume has been consistent across 11 years of Medicare data, ranging from 69 to 133 procedures per year. This stability suggests a well-established joint replacement practice.
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 103 Medicare-verified joint replacement procedures. This is in line with the Iowa average of 73 procedures per surgeon. Dr. Lange ranks #28 out of 114 orthopedic surgeons in Iowa.
What types of joint replacement does Dr. Lange perform?
Dr. Lange's Medicare data shows procedures in hip replacement (56 cases) and knee replacement (47 cases).
How experienced is Dr. Lange with hip replacement surgery?
Dr. Lange ranks #11 in Iowa for hip replacement with 56 Medicare-verified procedures. This high ranking among 114 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Lange in Cedar Rapids?
Yes. There are 13 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 103 procedures shown here.
Has Dr. Lange's procedure volume changed over time?
Dr. Lange's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 69 to 133 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Lange perform more than one type of joint replacement?
Yes. Dr. Lange's Medicare data shows procedures in hip replacement (56 cases), knee replacement (47 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 13 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 103 Medicare procedures are below the Cedar Rapids average of 107. The table below compares verified procedure volumes for orthopedic surgeons practicing in Cedar Rapids.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Sandeep Munjal | 214 | Hip, Knee |
| Dr. Jeffrey Nassif | 140 | Hip, Knee, Shoulder |
| Dr. Omar Akhtar | 98 | Hip, Knee |
| Dr. David Demik | 71 | Hip, Knee |
| Dr. John Hart | 62 | Knee, Shoulder |
| Dr. Matthew White | 61 | Knee, Shoulder |
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