Dr. Keith Rezin, M.D.
Contact & Location
Morris, IL 60450
Dr. Keith Rezin is a board-certified orthopedic surgeon practicing in Morris, Illinois. A Medicare provider since 2006, Dr. Rezin has performed 35 Medicare-verified knee replacements (#134 in Illinois) and 15 hip replacements, for a combined total of 50 procedures.
In Illinois, Dr. Rezin performs below average in knee (35 vs 50 avg), below average in hip (15 vs 39 avg).
Dr. Rezin's reported Medicare volume is split between knee replacements (35 cases) and hip replacements (15 cases).
Dr. Rezin is the only orthopedic surgeon in Morris represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Dr. Rezin's Medicare data spans 12 years, beginning in 2013. Volume peaked at 105 procedures in 2019 before settling at 50 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Rezin's 35 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. Rezin Compares
Procedure volume compared to the Illinois state average.
Volume Trend Analysis
Dr. Rezin's recorded volume peaked at 105 procedures in 2019 and stood at 50 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
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.
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. Rezin
How does Dr. Rezin's procedure volume compare to other Illinois surgeons?
Dr. Rezin has performed 50 Medicare-verified joint replacement procedures. The Illinois average is 69 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Rezin ranks #156 out of 316 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Rezin perform?
Dr. Rezin's Medicare data shows procedures in knee replacement (35 cases) and hip replacement (15 cases).
Where is Dr. Rezin's practice located?
Dr. Rezin practices in Morris, Illinois. The office is located at 1051 W Us Route 6, Morris, IL 60450. Patients in the surrounding area can consult Dr. Rezin for joint replacement evaluation.
What does the Medicare data for Dr. Rezin 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. Rezin's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 50 procedures shown here.
Has Dr. Rezin's procedure volume changed over time?
Dr. Rezin's Medicare-recorded volume peaked at 105 procedures in 2019 and was 50 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Does Dr. Rezin perform more than one type of joint replacement?
Yes. Dr. Rezin's Medicare data shows procedures in knee replacement (35 cases), hip replacement (15 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Rezin affiliated with?
According to CMS facility affiliation data, Dr. Rezin is affiliated with Morris Hospital & Healthcare Centers.
What are the quality ratings for hospitals where Dr. Rezin practices?
Morris Hospital & Healthcare Centers (3 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 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.