Dr. Delbert Maddox, DO
Contact & Location
Glendale, AZ 85308
Dr. Delbert Maddox is a board-certified orthopedic surgeon practicing in Glendale, Arizona. A Medicare provider since 2006, Dr. Maddox has performed 51 Medicare-verified knee replacements, ranking #57 in Arizona.
In Arizona, Dr. Maddox performs near average in knee (51 vs 49 avg).
Dr. Maddox's Medicare data shows a focused knee replacement practice with 51 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.
Glendale is home to 4 orthopedic surgeons in the current Medicare dataset. Patients in the Glendale area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Maddox extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 34 to 51 in the most recent data, a 50% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Maddox's 51 verified procedures is near the national average of 45.
Verified Case Volume Trends (2013-Current)
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. Maddox Compares
Procedure volume compared to the Arizona state average.
Volume Trend Analysis
Dr. Maddox's Medicare-recorded procedure volume has trended upward over 11 years, increasing 50% from 34 procedures in 2013 to 51 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.
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. Maddox
How does Dr. Maddox's procedure volume compare to other Arizona surgeons?
Dr. Maddox has performed 51 Medicare-verified joint replacement procedures. The Arizona average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Maddox ranks #89 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. Maddox perform?
Dr. Maddox's reported Medicare volume is focused on knee replacement, with 51 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Maddox in Glendale?
Yes. There are 4 orthopedic surgeons in Glendale 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 Arizona surgeons.
What does the Medicare data for Dr. Maddox 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. Maddox's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 51 procedures shown here.
Has Dr. Maddox's procedure volume changed over time?
Yes. Dr. Maddox's Medicare-recorded volume has increased from 34 procedures in 2013 to 51 in the most recent data, a 50% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 70 procedures in 2019.
Which hospitals is Dr. Maddox affiliated with?
According to CMS facility affiliation data, Dr. Maddox is affiliated with Honorhealth Deer Valley Medical Center, Honorhealth John C. Lincoln Medical Center.
How does Dr. Maddox compare to other orthopedic surgeons in Glendale?
Among the 4 orthopedic surgeons in Glendale, Dr. Maddox ranks #2 by total Medicare procedure volume. Dr. Maddox is among the highest-volume surgeons in Glendale.
What are the quality ratings for hospitals where Dr. Maddox practices?
Honorhealth Deer Valley Medical Center (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Honorhealth John C. Lincoln 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 Glendale, Arizona
Dr. Maddox's 51 Medicare procedures are below the Glendale average of 55. The table below compares verified procedure volumes for orthopedic surgeons practicing in Glendale.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Brent Hansen | 89 | Hip, Knee, Shoulder |
| Dr. Mark Allen | 41 | Hip, Knee |
| Dr. David Burk | 37 | 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.