Dr. Kevin Sumida, MD
Contact & Location
703-525-6100
Arlington, VA 22205
About Dr. Sumida
Dr. Kevin Sumida is a board-certified orthopedic surgeon practicing in Arlington, Virginia. A Medicare provider since 2006, Dr. Sumida performed 22 Medicare-verified knee replacements in the latest annual CMS data, ranking #137 in Virginia.
In Virginia, Dr. Sumida performs below the state average in knee (22 vs 58).
Dr. Sumida's Medicare data shows a focused knee replacement practice with 22 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.
Arlington is home to 17 orthopedic surgeons in the current Medicare dataset. Patients in the Arlington area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Sumida extend back to 2022, covering 3 years of data. Over that period, recorded procedure volume increased from 17 to 22 in the most recent data, a 29% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Sumida's 22 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Knee Replacement |
|---|---|
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 17 |
| 2023 | 21 |
| 2024 | 22 |
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. Sumida Compares
Procedure volume compared to the Virginia state average.
Volume Trend Analysis
Dr. Sumida's Medicare-recorded procedure volume has trended upward over 3 years, increasing 29% from 17 procedures in 2022 to 22 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. Sumida
How does Dr. Sumida's procedure volume compare to other Virginia surgeons?
Dr. Sumida has performed 22 Medicare-verified joint replacement procedures. The Virginia average is 82 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Sumida ranks #189 out of 229 orthopedic surgeons in Virginia.
What types of joint replacement does Dr. Sumida perform?
Dr. Sumida's reported Medicare volume is focused on knee replacement, with 22 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Sumida in Arlington?
Yes. There are 17 orthopedic surgeons in Arlington 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 Virginia surgeons.
What does the Medicare data for Dr. Sumida 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. Sumida's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 22 procedures shown here.
Has Dr. Sumida's procedure volume changed over time?
Yes. Dr. Sumida's Medicare-recorded volume has increased from 17 procedures in 2022 to 22 in the most recent data, a 29% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 22 procedures in 2024.
Which hospitals is Dr. Sumida affiliated with?
According to CMS facility affiliation data, Dr. Sumida is affiliated with Virginia Hospital Center.
How does Dr. Sumida compare to other orthopedic surgeons in Arlington?
Among the 17 orthopedic surgeons in Arlington, Dr. Sumida ranks #15 by total Medicare procedure volume. The highest-volume surgeon in Arlington has 280 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Sumida practices?
Virginia Hospital Center (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 Arlington, Virginia
Dr. Sumida's 22 Medicare procedures are below the Arlington average of 170. The table below compares verified procedure volumes for orthopedic surgeons practicing in Arlington.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Blake Peterson | 280 | Hip, Knee |
| Dr. Robert Sershon | 259 | Hip, Knee |
| Dr. David Romness | 202 | Hip, Knee |
| Dr. Daniel Gerscovich | 146 | Hip, Knee |
| Dr. Nigel Azer | 142 | Hip, Knee |
| Dr. William Petersen | 137 | 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.