Dr. Sergey Kachar, DO
Contact & Location
847-870-4200
Arlington Hts, IL 60005
About Dr. Kachar
Dr. Sergey Kachar is a board-certified orthopedic surgeon practicing in Arlington Hts, Illinois. A Medicare provider since 2006, Dr. Kachar performed 58 Medicare-verified knee replacements (#82 in Illinois) and 21 hip replacements in the latest annual CMS data, for a combined total of 79 procedures.
In Illinois, Dr. Kachar performs near the state average in knee (58 vs 50), below the state average in hip (21 vs 39).
Dr. Kachar's reported Medicare volume is split between knee replacements (58 cases) and hip replacements (21 cases).
Dr. Kachar is the only orthopedic surgeon in Arlington Hts represented in the current Medicare dataset, serving as the primary local option for patients considering joint replacement surgery in the area.
Medicare records for Dr. Kachar extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 18 to 79 in the most recent data, a 339% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Kachar's 58 verified procedures is above the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 18 |
| 2014 | 13 | 0 |
| 2015 | 14 | 20 |
| 2016 | 25 | 24 |
| 2017 | 13 | 25 |
| 2018 | 16 | 43 |
| 2019 | 20 | 66 |
| 2020 | 0 | 50 |
| 2021 | 26 | 54 |
| 2022 | 15 | 51 |
| 2023 | 14 | 48 |
| 2024 | 21 | 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. Kachar Compares
Procedure volume compared to the Illinois state average.
Volume Trend Analysis
Dr. Kachar's Medicare-recorded procedure volume has trended upward over 12 years, increasing 339% from 18 procedures in 2013 to 79 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 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Kachar
How does Dr. Kachar's procedure volume compare to other Illinois surgeons?
Dr. Kachar has performed 79 Medicare-verified joint replacement procedures. This is in line with the Illinois average of 69 procedures per surgeon. Dr. Kachar ranks #96 out of 316 orthopedic surgeons in Illinois.
What types of joint replacement does Dr. Kachar perform?
Dr. Kachar's Medicare data shows procedures in knee replacement (58 cases) and hip replacement (21 cases).
Where is Dr. Kachar's practice located?
Dr. Kachar practices in Arlington Hts, Illinois. The office is located at 3030 W Salt Creek Ln, Arlington Hts, IL 60005. Patients in the surrounding area can consult Dr. Kachar for joint replacement evaluation.
What does the Medicare data for Dr. Kachar 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. Kachar's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 79 procedures shown here.
Has Dr. Kachar's procedure volume changed over time?
Yes. Dr. Kachar's Medicare-recorded volume has increased from 18 procedures in 2013 to 79 in the most recent data, a 339% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 86 procedures in 2019.
Does Dr. Kachar perform more than one type of joint replacement?
Yes. Dr. Kachar's Medicare data shows procedures in knee replacement (58 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Kachar affiliated with?
According to CMS facility affiliation data, Dr. Kachar is affiliated with Northwest Community Hospital 1.
What are the quality ratings for hospitals where Dr. Kachar practices?
Northwest Community Hospital 1 (4 out of 5 CMS stars, hip/knee complication rate better than 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.