Dr. Dan Sewell, M.D.
Contact & Location
503-540-6300
Salem, OR 97301
Keizer, OR 97303
Dr. Sewell performs more knee replacement procedures than 68% of orthopedic surgeons in Oregon, based on 2024 Medicare claims volume.Derived from the state ranking shown on this page: #25 of 80 ranked knee surgeons in Oregon.
About Dr. Sewell
Practice. Dr. Dan Sewell is a board-certified orthopedic surgeon practicing in Salem, Oregon. The latest annual CMS data records 45 knee replacements and 33 hip replacements, 78 procedures in all. That is #25 in Oregon for knee replacement. A Medicare provider since 2006.
Trend. Medicare records run from 2013 to 2024, 12 years. Volume rose from 63 procedures a year to 78, up 24%.
National context. Among 6,612 knee replacement surgeons tracked nationally, 45 procedures is near the national average of 45.
Local context. Salem has 6 orthopedic surgeons in the current Medicare data. Comparing volume and procedure mix across them is one way to narrow a shortlist.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 13 | 50 |
| 2014 | 22 | 49 |
| 2015 | 14 | 49 |
| 2016 | 13 | 33 |
| 2017 | 17 | 38 |
| 2018 | 24 | 37 |
| 2019 | 23 | 53 |
| 2020 | 16 | 41 |
| 2021 | 23 | 43 |
| 2022 | 21 | 60 |
| 2023 | 32 | 39 |
| 2024 | 33 | 45 |
Verified Medicare Cases
How is this estimated?
Medicare Part B fee-for-service claims are one payer stream among several, and the share they represent differs by procedure. In 2024 it was 23% to 28% for knee replacement, 25% to 33% for hip replacement. Each verified count above is divided by its own procedure's range, and the results are added, to estimate total practice volume across all payers. The verified Medicare count is the definitive, audited figure; this is a range derived from published national volume projections, not a measurement, and an individual practice can sit well outside it: how these ranges are derived, and their sources.
How Dr. Sewell Compares
Procedure volume compared to the Oregon state average.
Volume Trend Analysis
Dr. Sewell's Medicare-recorded procedure volume has trended upward over 12 years, increasing 24% from 63 procedures in 2013 to 78 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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Sewell
How does Dr. Sewell's procedure volume compare to other Oregon surgeons?
Dr. Sewell has performed 78 Medicare-verified joint replacement procedures. This is in line with the Oregon average of 63 procedures per surgeon. Dr. Sewell ranks #28 out of 101 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Sewell perform?
Dr. Sewell's Medicare data shows procedures in knee replacement (45 cases) and hip replacement (33 cases).
Are there other orthopedic surgeons near Dr. Sewell in Salem?
Yes. There are 6 orthopedic surgeons in Salem 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 Oregon surgeons.
What does the Medicare data for Dr. Sewell represent?
The procedure counts shown are based on 2024 Medicare Part B fee-for-service claims data, published by the Centers for Medicare and Medicaid Services (CMS). Medicare fee-for-service is only one payer stream, and the share of national volume it represents differs by procedure. In 2024 the share was 23% to 28% for knee replacement, 25% to 33% for hip replacement, which puts Dr. Sewell's total volume across all insurers at roughly 260 to 330 procedures against the 78 verified here. Those shares are derived from published national volume projections rather than quoted from a single publication, and they are estimates with real uncertainty. The OrthoProcedures methodology page shows the full derivation, the sources, and the limits at orthoprocedures.com/data-methodology.html.
Has Dr. Sewell's procedure volume changed over time?
Yes. Dr. Sewell's Medicare-recorded volume has increased from 63 procedures in 2013 to 78 in the most recent data, a 24% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 81 procedures in 2022.
Does Dr. Sewell perform more than one type of joint replacement?
Yes. Dr. Sewell's Medicare data shows procedures in knee replacement (45 cases), hip replacement (33 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Sewell affiliated with?
According to CMS facility affiliation data, Dr. Sewell is affiliated with Salem Hospital, Salem Health West Valley.
How does Dr. Sewell compare to other orthopedic surgeons in Salem?
Among the 6 orthopedic surgeons in Salem, Dr. Sewell ranks #2 by total Medicare procedure volume. Dr. Sewell is among the highest-volume surgeons in Salem.
What are the quality ratings for hospitals where Dr. Sewell practices?
Salem Hospital (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 Salem, Oregon
Dr. Sewell's 78 Medicare procedures are above the Salem average of 50. The table below compares verified procedure volumes for orthopedic surgeons practicing in Salem.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Mark Dolan | 111 | Hip, Knee |
| Dr. Robert Zirschky | 39 | Hip, Knee |
| Dr. Shane Hess | 36 | Knee |
| Dr. Richard Tobin | 17 | Shoulder |
| Dr. Earl Brewley | 17 | Shoulder |
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.