Dr. Dennis Chang, M.D.
Contact & Location
720-754-4410
Denver, CO 80220
About Dr. Chang
Dr. Dennis Chang is a board-certified orthopedic surgeon practicing in Denver, Colorado. A Medicare provider since 2006, Dr. Chang performed 68 Medicare-verified knee replacements (#22 in Colorado) and 37 hip replacements in the latest annual CMS data, for a combined total of 105 procedures.
In Colorado, Dr. Chang performs above the state average in knee (68 vs 48), near the state average in hip (37 vs 38).
Dr. Chang's reported Medicare volume is split between knee replacements (68 cases) and hip replacements (37 cases).
Denver is home to 21 orthopedic surgeons in the current Medicare dataset. Patients in the Denver area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Chang's Medicare record spans 12 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 94 to 124 procedures per year, reflecting a steady joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Chang's 68 verified procedures is above the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 42 | 58 |
| 2014 | 51 | 51 |
| 2015 | 51 | 73 |
| 2016 | 37 | 58 |
| 2017 | 42 | 77 |
| 2018 | 37 | 65 |
| 2019 | 49 | 66 |
| 2020 | 38 | 58 |
| 2021 | 39 | 58 |
| 2022 | 39 | 71 |
| 2023 | 37 | 57 |
| 2024 | 37 | 68 |
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 Colorado state average.
Volume Trend Analysis
Dr. Chang's procedure volume has been consistent across 12 years of Medicare data, ranging from 94 to 124 procedures per year. This stability suggests a well-established joint replacement practice.
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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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 Colorado surgeons?
Dr. Chang has performed 105 Medicare-verified joint replacement procedures. This is significantly above the Colorado average of 64 procedures per surgeon. Dr. Chang ranks #27 out of 169 orthopedic surgeons in Colorado.
What types of joint replacement does Dr. Chang perform?
Dr. Chang's Medicare data shows procedures in knee replacement (68 cases) and hip replacement (37 cases).
Are there other orthopedic surgeons near Dr. Chang in Denver?
Yes. There are 21 orthopedic surgeons in Denver 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 Colorado 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 105 procedures shown here.
Has Dr. Chang's procedure volume changed over time?
Dr. Chang's procedure volume has been relatively stable over 12 years of Medicare data, ranging from 94 to 124 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
Does Dr. Chang perform more than one type of joint replacement?
Yes. Dr. Chang's Medicare data shows procedures in knee replacement (68 cases), hip replacement (37 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Chang affiliated with?
According to CMS facility affiliation data, Dr. Chang is affiliated with Hca Healthone Rose.
How does Dr. Chang compare to other orthopedic surgeons in Denver?
Among the 21 orthopedic surgeons in Denver, Dr. Chang ranks #3 by total Medicare procedure volume. Dr. Chang is among the highest-volume surgeons in Denver.
What are the quality ratings for hospitals where Dr. Chang practices?
Hca Healthone Rose (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 Denver, Colorado
Dr. Chang's 105 Medicare procedures are above the Denver average of 101. The table below compares verified procedure volumes for orthopedic surgeons practicing in Denver.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Brian Larkin | 129 | Hip, Knee |
| Dr. Todd Miner | 112 | Hip, Knee |
| Dr. Edward Parks | 103 | Hip, Knee |
| Dr. Charlie Yang | 92 | Hip, Knee |
| Dr. Jason Jennings | 91 | Hip, Knee |
| Dr. Harold Hunt | 76 | Hip, Knee |
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.