Dr. Amalia De Comas, MD
Dr. Amalia De Comas is a board-certified orthopedic surgeon practicing in Mesa, Arizona. A Medicare provider since 2007, Dr. De Comas has performed 34 Medicare-verified knee replacements (#81 in Arizona) and 20 hip replacements, for a combined total of 54 procedures.
In Arizona, Dr. De Comas performs below average in knee (34 vs 49 avg), below average in hip (20 vs 37 avg).
Dr. De Comas's reported Medicare volume is split between knee replacements (34 cases) and hip replacements (20 cases).
Beyond general orthopedic surgery, Dr. De Comas holds additional credentials in Pediatric Orthopaedic Surgery, reflecting subspecialty training that may benefit patients with complex joint conditions.
Mesa is home to 7 orthopedic surgeons in the current Medicare dataset. Patients in the Mesa area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. De Comas extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 12 to 54 in the most recent data, a 350% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. De Comas's 34 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. De Comas Compares
Procedure volume compared to the Arizona state average.
Contact & Location
Mesa, AZ 85202
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. De Comas's Medicare-recorded procedure volume has trended upward over 11 years, increasing 350% from 12 procedures in 2013 to 54 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.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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.
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. De Comas
How does Dr. De Comas's procedure volume compare to other Arizona surgeons?
Dr. De Comas has performed 54 Medicare-verified joint replacement procedures. The Arizona average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. De Comas ranks #83 out of 193 orthopedic surgeons in Arizona.
What types of joint replacement does Dr. De Comas perform?
Dr. De Comas's Medicare data shows procedures in knee replacement (34 cases) and hip replacement (20 cases).
Are there other orthopedic surgeons near Dr. De Comas in Mesa?
Yes. There are 7 orthopedic surgeons in Mesa 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 Arizona surgeons.
What does the Medicare data for Dr. De Comas 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. De Comas's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 54 procedures shown here.
Has Dr. De Comas's procedure volume changed over time?
Yes. Dr. De Comas's Medicare-recorded volume has increased from 12 procedures in 2013 to 54 in the most recent data, a 350% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 54 procedures in 2023.
Does Dr. De Comas perform more than one type of joint replacement?
Yes. Dr. De Comas's Medicare data shows procedures in knee replacement (34 cases), hip replacement (20 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. De Comas affiliated with?
According to CMS facility affiliation data, Dr. De Comas is affiliated with Banner Desert Medical Center, The Core Institute Specialty Hospital.
How does Dr. De Comas compare to other orthopedic surgeons in Mesa?
Among the 7 orthopedic surgeons in Mesa, Dr. De Comas ranks #2 by total Medicare procedure volume. Dr. De Comas is among the highest-volume surgeons in Mesa.
What are the quality ratings for hospitals where Dr. De Comas practices?
Banner Desert Medical Center (2 out of 5 CMS stars, insufficient case volume for complication rate comparison); The Core Institute Specialty Hospital (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 Mesa, Arizona
Dr. De Comas's 54 Medicare procedures are below the Mesa average of 68. The table below compares verified procedure volumes for orthopedic surgeons practicing in Mesa.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Daniel Mullen | 221 | Hip, Knee, Shoulder |
| Dr. Andre Matthews | 46 | Hip, Knee |
| Dr. Michael Duran | 42 | Hip, Knee |
| Dr. Michael Amini | 41 | Shoulder |
| Dr. Joseph Scoggin | 39 | Knee |
| Dr. Brian McWhorter | 32 | Knee |
Patient Reviews & Ratings
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