Dr. Alexander Denes, MD
Contact & Location
503-214-5200
Portland, OR 97225
About Dr. Denes
Dr. Alexander Denes is a board-certified orthopedic surgeon practicing in Portland, Oregon. A Medicare provider since 2007, Dr. Denes performed 48 Medicare-verified hip replacements (#14 in Oregon) and 22 knee replacements in the latest annual CMS data, for a combined total of 70 procedures.
In Oregon, Dr. Denes performs above the state average in hip (48 vs 37), below the state average in knee (22 vs 42).
Dr. Denes's reported Medicare volume is split between hip replacements (48 cases) and knee replacements (22 cases).
Beyond general orthopedic surgery, Dr. Denes holds additional credentials in Adult Reconstructive Orthopaedic Surgery and Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
Portland is home to 18 orthopedic surgeons in the current Medicare dataset. Patients in the Portland area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Denes extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 21 to 70 in the most recent data, a 233% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Denes's 48 verified procedures is above the national average of 36.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 21 | 0 |
| 2014 | 35 | 14 |
| 2015 | 25 | 15 |
| 2016 | 34 | 14 |
| 2017 | 20 | 12 |
| 2018 | 35 | 15 |
| 2019 | 29 | 23 |
| 2020 | 35 | 18 |
| 2021 | 34 | 13 |
| 2022 | 33 | 20 |
| 2023 | 35 | 26 |
| 2024 | 48 | 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. Denes Compares
Procedure volume compared to the Oregon state average.
Volume Trend Analysis
Dr. Denes's Medicare-recorded procedure volume has trended upward over 12 years, increasing 233% from 21 procedures in 2013 to 70 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 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Denes
How does Dr. Denes's procedure volume compare to other Oregon surgeons?
Dr. Denes has performed 70 Medicare-verified joint replacement procedures. This is in line with the Oregon average of 63 procedures per surgeon. Dr. Denes ranks #37 out of 101 orthopedic surgeons in Oregon.
What types of joint replacement does Dr. Denes perform?
Dr. Denes's Medicare data shows procedures in hip replacement (48 cases) and knee replacement (22 cases).
How experienced is Dr. Denes with hip replacement surgery?
Dr. Denes ranks #14 in Oregon for hip replacement with 48 Medicare-verified procedures. This high ranking among 101 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Denes in Portland?
Yes. There are 18 orthopedic surgeons in Portland 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. Denes 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. Denes's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 70 procedures shown here.
Has Dr. Denes's procedure volume changed over time?
Yes. Dr. Denes's Medicare-recorded volume has increased from 21 procedures in 2013 to 70 in the most recent data, a 233% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 70 procedures in 2024.
Does Dr. Denes perform more than one type of joint replacement?
Yes. Dr. Denes's Medicare data shows procedures in hip replacement (48 cases), knee replacement (22 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Denes affiliated with?
According to CMS facility affiliation data, Dr. Denes is affiliated with Providence St Vincent Medical Center.
How does Dr. Denes compare to other orthopedic surgeons in Portland?
Among the 18 orthopedic surgeons in Portland, Dr. Denes ranks #9 by total Medicare procedure volume. The highest-volume surgeon in Portland has 138 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Denes practices?
Providence St Vincent Medical Center (4 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 Portland, Oregon
Dr. Denes's 70 Medicare procedures are below the Portland average of 102. The table below compares verified procedure volumes for orthopedic surgeons practicing in Portland.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Gustav Fischer | 138 | Hip, Knee |
| Dr. Alexander Dehaan | 137 | Hip, Knee |
| Dr. Andrew Bryan | 107 | Hip, Knee |
| Dr. Kathryn Schabel | 91 | Hip, Knee |
| Dr. Christopher Estes | 86 | Hip, Knee |
| Dr. Elizabeth Lieberman | 82 | 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.