Dr. Brian Nwannunu, M.D.
Dr. Brian Nwannunu is a board-certified orthopedic surgeon practicing in Dallas, Texas. Dr. Nwannunu has performed 23 Medicare-verified knee replacements (#308 in Texas) and 23 hip replacements, for a combined total of 46 procedures.
In Texas, Dr. Nwannunu performs below average in knee (23 vs 41 avg), below average in hip (23 vs 30 avg).
Dr. Nwannunu's reported Medicare volume is split between knee replacements (23 cases) and hip replacements (23 cases).
Dallas is home to 38 orthopedic surgeons in the current Medicare dataset. Patients in the Dallas area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Nwannunu's Medicare data spans 3 years, beginning in 2021. Volume peaked at 99 procedures in 2022 before settling at 46 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Nwannunu's 23 hip replacement procedures is below the national average of 36 among 4,526 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. Nwannunu Compares
Procedure volume compared to the Texas state average.
Contact & Location
Dallas, TX 75230
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Nwannunu's recorded volume peaked at 99 procedures in 2022 and stood at 46 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 Hip Replacement
If you are considering hip replacement surgery, these evidence-based guides can help you prepare and recover:
Understanding the progression from conservative treatments to surgical intervention, and how to determine when hip replacement becomes the right choice.
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.
Hip Replacement Recovery Overview
Recovery timelines vary by patient, but here is a general overview of what to expect after hip replacement surgery:
Individual recovery varies based on overall health, age, and adherence to physical therapy. View full hip replacement recovery guide and product recommendations
Frequently Asked Questions About Dr. Nwannunu
How does Dr. Nwannunu's procedure volume compare to other Texas surgeons?
Dr. Nwannunu has performed 46 Medicare-verified joint replacement procedures. This is in line with the Texas average of 56 procedures per surgeon. Dr. Nwannunu ranks #249 out of 573 orthopedic surgeons in Texas.
What types of joint replacement does Dr. Nwannunu perform?
Dr. Nwannunu's Medicare data shows procedures in knee replacement (23 cases) and hip replacement (23 cases).
Are there other orthopedic surgeons near Dr. Nwannunu in Dallas?
Yes. There are 38 orthopedic surgeons in Dallas 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 Texas surgeons.
What does the Medicare data for Dr. Nwannunu 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. Nwannunu's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 46 procedures shown here.
Has Dr. Nwannunu's procedure volume changed over time?
Dr. Nwannunu's Medicare-recorded volume peaked at 99 procedures in 2022 and was 46 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. Nwannunu perform more than one type of joint replacement?
Yes. Dr. Nwannunu's Medicare data shows procedures in knee replacement (23 cases), hip replacement (23 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Nwannunu affiliated with?
According to CMS facility affiliation data, Dr. Nwannunu is affiliated with Medical City Mckinney, Texas Health Presbyterian Hospital Allen.
How does Dr. Nwannunu compare to other orthopedic surgeons in Dallas?
Among the 38 orthopedic surgeons in Dallas, Dr. Nwannunu ranks #17 by total Medicare procedure volume. The highest-volume surgeon in Dallas has 213 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Nwannunu practices?
Medical City Mckinney (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Texas Health Presbyterian Hospital Allen (5 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 Dallas, Texas
Dr. Nwannunu's 46 Medicare procedures are below the Dallas average of 154. The table below compares verified procedure volumes for orthopedic surgeons practicing in Dallas.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Brian Gladnick | 213 | Hip, Knee |
| Dr. Paul Peters | 199 | Hip, Knee |
| Dr. Michael Champine | 179 | Hip, Knee |
| Dr. Bradford Waddell | 177 | Hip, Knee |
| Dr. Kurt Kitziger | 142 | Hip, Knee |
| Dr. James Lancaster | 124 | Hip, Knee |
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