#74 Hip
#105 Knee

Dr. Keith Rezin, M.D.

Orthopedic Surgery
85 procedures 1 hospital Morris, IL
Latest available Medicare data — updated April 2026
Knee replacement recovery kit Ice machines, mobility aids, bathroom safety — under $50 essentials
National Comparison by Procedure
Hip 39 vs 36 avg (4,526 surgeons)
Knee 46 vs 45 avg (6,720 surgeons)

Dr. Keith Rezin is a board-certified orthopedic surgeon practicing in Morris, Illinois. A Medicare provider since 2006, Dr. Rezin has performed 46 Medicare-verified knee replacements (#105 in Illinois) and 39 hip replacements, for a combined total of 85 procedures.

In Illinois, Dr. Rezin performs near average in knee (46 vs 51 avg), near average in hip (39 vs 38 avg).

Dr. Rezin's reported Medicare volume is split between knee replacements (46 cases) and hip replacements (39 cases).

Morris is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Morris area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Rezin's Medicare record spans 11 years from 2013 through 2023. Procedure volume has remained consistent during that period, ranging from 75 to 105 procedures per year, reflecting a steady joint replacement practice.

Among 6,720 knee replacement surgeons tracked nationally, Dr. Rezin's 46 verified procedures is near the national average of 45.

Verified Medicare Cases

Knee Replacement
46 verified cases
#105 in Illinois
Hip Replacement
39 verified cases
#74 in Illinois
Estimated total: 230 – 260 procedures (all insurers)
Based on Medicare FFS representing 33–37% of national joint replacement volume
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.

Hip Average
39 Avg: 38
Knee Average
46 Avg: 51
Dr. Rezin Illinois Average

Contact & Location

Phone: 815-942-4875
1051 W Us Route 6
Morris, IL 60450
NPI: 1407867393
Credentials: M.D.
Active Medicare provider (NPI verified)
20 years of practice experience
Licensed M.D.
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Rezin's procedure volume has been consistent across 11 years of Medicare data, ranging from 75 to 105 procedures per year. This stability suggests a well-established joint replacement practice.

Years of Data 11
2023 Volume 85
Peak Volume 105 (2019)
Trend Stable

Hospital Affiliations & Quality

H
Morris Hospital & Healthcare Centers
★★★☆☆
Morris, IL
Similar to national avg

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.

Knee Replacement Recovery Overview

Recovery timelines vary by patient, but here is a general overview of what to expect after knee replacement surgery:

Week 1-2 Walking with assistive device. Knee bending exercises begin immediately. Ice therapy and elevation for swelling control.
Week 3-6 Increased range of motion (target 90 degrees). Walking longer distances. Physical therapy intensifies with strengthening exercises.
Week 7-12 Most patients walk without assistive devices. Resume driving and desk work. Continue PT for strength and flexibility.
Month 4-6 Near-full recovery. Resume most recreational activities. Some swelling and stiffness may persist but continues improving.

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 85 Medicare-verified joint replacement procedures. This is in line with the Illinois average of 69 procedures per surgeon. Dr. Rezin ranks #92 out of 323 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Rezin perform?

Dr. Rezin's Medicare data shows procedures in knee replacement (46 cases) and hip replacement (39 cases).

Are there other orthopedic surgeons near Dr. Rezin in Morris?

Yes. There are 2 orthopedic surgeons in Morris 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 Illinois surgeons.

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 85 procedures shown here.

Has Dr. Rezin's procedure volume changed over time?

Dr. Rezin's procedure volume has been relatively stable over 11 years of Medicare data, ranging from 75 to 105 procedures per year between 2013 and 2023. Consistent volume over multiple years reflects a steady joint replacement practice.

Does Dr. Rezin perform more than one type of joint replacement?

Yes. Dr. Rezin's Medicare data shows procedures in knee replacement (46 cases), hip replacement (39 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.

Other Orthopedic Surgeons in Morris, Illinois

Dr. Rezin's 85 Medicare procedures are above the Morris average of 53. The table below compares verified procedure volumes for orthopedic surgeons practicing in Morris.

SurgeonProceduresSpecialties
Dr. Robert Williams 20 Shoulder

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.

Cite This Data

APA: OrthoProcedures. (2026). Dr. Keith Rezin, M.D. -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/il/dr-keith-rezin-morris.html

Link: https://orthoprocedures.com/surgeons/il/dr-keith-rezin-morris.html

Data source: CMS Medicare Part B Provider Utilization & Payment Data. Full methodology | Open Data API

Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately one-third to 40% of all joint replacement procedures nationwide. Always consult with healthcare providers to make informed decisions about your care.