#185 Hip
#243 Knee

Dr. Cameron Killen, MD

Orthopedic Surgery
24 procedures 2 hospitals Maywood, 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 11 vs 36 avg (4,526 surgeons)
Knee 13 vs 45 avg (6,720 surgeons)

Dr. Cameron Killen is a board-certified orthopedic surgeon practicing in Maywood, Illinois. A Medicare provider since 2015, Dr. Killen has performed 13 Medicare-verified knee replacements (#243 in Illinois) and 11 hip replacements, for a combined total of 24 procedures.

In Illinois, Dr. Killen performs below average in knee (13 vs 51 avg), below average in hip (11 vs 38 avg).

Dr. Killen's reported Medicare volume is split between knee replacements (13 cases) and hip replacements (11 cases).

Maywood is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Maywood area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.

Dr. Killen's Medicare data spans 3 years, beginning in 2020. Volume peaked at 55 procedures in 2021 before settling at 24 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.

Dr. Killen's 13 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

Knee Replacement
13 verified cases
#243 in Illinois
Hip Replacement
11 verified cases
#185 in Illinois
Estimated total: 60 – 70 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. Killen Compares

Procedure volume compared to the Illinois state average.

Hip Below Avg
11 Avg: 38
Knee Below Avg
13 Avg: 51
Dr. Killen Illinois Average

Contact & Location

Phone: 708-216-2336
2160 S 1st Ave
Maywood, IL 60153
NPI: 1811376437
Credentials: MD
Active Medicare provider (NPI verified)
11 years of practice experience
Licensed MD
Licensed surgical specialist
Board-certified orthopedic surgeon
Contact information available
Find Practice on Google Maps

Volume Trend Analysis

Dr. Killen's recorded volume peaked at 55 procedures in 2021 and stood at 24 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.

Years of Data 3
2023 Volume 24
Peak Volume 55 (2021)
Trend Declining

Hospital Affiliations & Quality

H
Macneal Hospital
★★★☆☆
Berwyn, IL
Low case volume
H
Loyola University Medical Center
★★★☆☆
Maywood, 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. Killen

How does Dr. Killen's procedure volume compare to other Illinois surgeons?

Dr. Killen has performed 24 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. Killen ranks #234 out of 323 orthopedic surgeons in Illinois.

What types of joint replacement does Dr. Killen perform?

Dr. Killen's Medicare data shows procedures in knee replacement (13 cases) and hip replacement (11 cases).

Are there other orthopedic surgeons near Dr. Killen in Maywood?

Yes. There are 7 orthopedic surgeons in Maywood 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. Killen 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. Killen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 24 procedures shown here.

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

Dr. Killen's Medicare-recorded volume peaked at 55 procedures in 2021 and was 24 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. Killen perform more than one type of joint replacement?

Yes. Dr. Killen's Medicare data shows procedures in knee replacement (13 cases), hip replacement (11 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.

Which hospitals is Dr. Killen affiliated with?

According to CMS facility affiliation data, Dr. Killen is affiliated with Macneal Hospital, Loyola University Medical Center.

How does Dr. Killen compare to other orthopedic surgeons in Maywood?

Among the 7 orthopedic surgeons in Maywood, Dr. Killen ranks #7 by total Medicare procedure volume. The highest-volume surgeon in Maywood has 71 verified Medicare procedures.

What are the quality ratings for hospitals where Dr. Killen practices?

Macneal Hospital (3 out of 5 CMS stars, insufficient case volume for complication rate comparison); Loyola University Medical Center (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 Maywood, Illinois

Dr. Killen's 24 Medicare procedures are below the Maywood average of 46. The table below compares verified procedure volumes for orthopedic surgeons practicing in Maywood.

SurgeonProceduresSpecialties
Dr. Nicholas Brown 71 Hip, Knee
Dr. Harold Rees 71 Hip, Knee
Dr. Daniel Schmitt 51 Hip, Knee
Dr. Dane Salazar 38 Shoulder
Dr. Karen Wu 37 Hip, Knee
Dr. Nickolas Garbis 32 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. Cameron Killen, MD -- Orthopedic Surgeon Profile. Retrieved from https://orthoprocedures.com/surgeons/il/dr-cameron-killen-maywood.html

Link: https://orthoprocedures.com/surgeons/il/dr-cameron-killen-maywood.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.