Knee
Dr. Timothy Chang, MD PHD
Dr. Timothy Chang is a board-certified orthopedic surgeon practicing in Hopkinsville, Kentucky. A Medicare provider since 2006, Dr. Chang has performed 11 Medicare-verified knee replacements, ranking #100 in Kentucky.
In Kentucky, Dr. Chang performs below average in knee (11 vs 44 avg).
Dr. Chang's Medicare data shows a focused knee replacement practice with 11 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Hopkinsville is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Hopkinsville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Chang's Medicare data spans 7 years, beginning in 2016. Volume peaked at 20 procedures in 2019 before settling at 11 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Chang's 11 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
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. Chang Compares
Procedure volume compared to the Kentucky state average.
Contact & Location
Hopkinsville, KY 42240
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Chang's recorded volume peaked at 20 procedures in 2019 and stood at 11 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.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
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. Chang
How does Dr. Chang's procedure volume compare to other Kentucky surgeons?
Dr. Chang has performed 11 Medicare-verified joint replacement procedures. The Kentucky average is 61 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Chang ranks #125 out of 128 orthopedic surgeons in Kentucky.
What types of joint replacement does Dr. Chang perform?
Dr. Chang's reported Medicare volume is focused on knee replacement, with 11 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Chang in Hopkinsville?
Yes. There are 3 orthopedic surgeons in Hopkinsville 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 Kentucky surgeons.
What does the Medicare data for Dr. Chang 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. Chang's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 11 procedures shown here.
Has Dr. Chang's procedure volume changed over time?
Dr. Chang's Medicare-recorded volume peaked at 20 procedures in 2019 and was 11 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.
Which hospitals is Dr. Chang affiliated with?
According to CMS facility affiliation data, Dr. Chang is affiliated with Jennie Stuart Medical Center, Caldwell Medical Center.
How does Dr. Chang compare to other orthopedic surgeons in Hopkinsville?
Among the 3 orthopedic surgeons in Hopkinsville, Dr. Chang ranks #3 by total Medicare procedure volume. Dr. Chang is among the highest-volume surgeons in Hopkinsville.
What are the quality ratings for hospitals where Dr. Chang practices?
Jennie Stuart Medical Center (1 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Hopkinsville, Kentucky
Dr. Chang's 11 Medicare procedures are below the Hopkinsville average of 24. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hopkinsville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. David Bealle | 35 | Knee |
| Dr. Frederick Robbe | 27 | Knee |
Patient Reviews & Ratings
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