Knee
Dr. Kevin Sumida, MD
Dr. Kevin Sumida is a board-certified orthopedic surgeon practicing in Arlington, Virginia. Dr. Sumida has performed 21 Medicare-verified knee replacements, ranking #141 in Virginia.
In Virginia, Dr. Sumida performs below average in knee (21 vs 58 avg).
Dr. Sumida's Medicare data shows a focused knee replacement practice with 21 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.
Dr. Sumida first appears in the Medicare dataset in 2022. With 2 years of recorded data, the longitudinal trend is still developing.
Dr. Sumida's 21 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. Sumida Compares
Procedure volume compared to the Virginia state average.
Contact & Location
Arlington, VA 22205
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Sumida has 2 years of Medicare procedure data beginning in 2022. Additional years of data will provide a clearer picture of volume trends.
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 21 Medicare-verified joint replacement procedures. The Virginia average is 83 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Sumida ranks #184 out of 223 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 21 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 21 procedures shown here.
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 291 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 21 Medicare procedures are below the Arlington average of 158. The table below compares verified procedure volumes for orthopedic surgeons practicing in Arlington.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Blake Peterson | 291 | Hip, Knee |
| Dr. David Romness | 203 | Hip, Knee |
| Dr. Robert Sershon | 193 | Hip, Knee |
| Dr. Nigel Azer | 142 | Hip, Knee |
| Dr. Daniel Gerscovich | 137 | Hip, Knee |
| Dr. C Engh | 119 | Hip, Knee |
Patient Reviews & Ratings
OrthoProcedures.com focuses on verified Medicare procedure data. For patient reviews, ratings, and appointment scheduling, visit these trusted platforms:
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