Dr. Marcelo Siqueira, M.D.
Dr. Marcelo Siqueira is a board-certified orthopedic surgeon practicing in Plymouth, Massachusetts. A Medicare provider since 2015, Dr. Siqueira has performed 85 Medicare-verified knee replacements (#25 in Massachusetts) and 77 hip replacements, for a combined total of 162 procedures.
In Massachusetts, Dr. Siqueira performs above average in knee (85 vs 51 avg), above average in hip (77 vs 44 avg).
Dr. Siqueira's reported Medicare volume is split between knee replacements (85 cases) and hip replacements (77 cases).
Plymouth is home to 5 orthopedic surgeons in the current Medicare dataset. Patients in the Plymouth area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Siqueira extend back to 2020, covering 4 years of data. Over that period, recorded procedure volume increased from 24 to 162 in the most recent data, a 575% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Siqueira's 85 verified procedures is above the national average of 45.
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. Siqueira Compares
Procedure volume compared to the Massachusetts state average.
Contact & Location
Plymouth, MA 02360
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Siqueira's Medicare-recorded procedure volume has trended upward over 4 years, increasing 575% from 24 procedures in 2020 to 162 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. Siqueira
How does Dr. Siqueira's procedure volume compare to other Massachusetts surgeons?
Dr. Siqueira has performed 162 Medicare-verified joint replacement procedures. This is more than 2x the Massachusetts average of 74 procedures per surgeon. Dr. Siqueira ranks #19 out of 202 orthopedic surgeons in Massachusetts.
What types of joint replacement does Dr. Siqueira perform?
Dr. Siqueira's Medicare data shows procedures in knee replacement (85 cases) and hip replacement (77 cases).
Are there other orthopedic surgeons near Dr. Siqueira in Plymouth?
Yes. There are 5 orthopedic surgeons in Plymouth 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 Massachusetts surgeons.
What does the Medicare data for Dr. Siqueira 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. Siqueira's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 162 procedures shown here.
Has Dr. Siqueira's procedure volume changed over time?
Yes. Dr. Siqueira's Medicare-recorded volume has increased from 24 procedures in 2020 to 162 in the most recent data, a 575% increase over 4 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 162 procedures in 2023.
Does Dr. Siqueira perform more than one type of joint replacement?
Yes. Dr. Siqueira's Medicare data shows procedures in knee replacement (85 cases), hip replacement (77 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Siqueira affiliated with?
According to CMS facility affiliation data, Dr. Siqueira is affiliated with Beth Israel Deaconess Hospital - Plymouth, Cape Cod Hospital.
How does Dr. Siqueira compare to other orthopedic surgeons in Plymouth?
Among the 5 orthopedic surgeons in Plymouth, Dr. Siqueira ranks #2 by total Medicare procedure volume. Dr. Siqueira is among the highest-volume surgeons in Plymouth.
What are the quality ratings for hospitals where Dr. Siqueira practices?
Beth Israel Deaconess Hospital - Plymouth (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Cape Cod 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 Plymouth, Massachusetts
Dr. Siqueira's 162 Medicare procedures are above the Plymouth average of 111. The table below compares verified procedure volumes for orthopedic surgeons practicing in Plymouth.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. R. Scott Oliver | 168 | Hip, Knee |
| Dr. Joseph Frank Zabilski | 141 | Hip, Knee |
| Dr. Walter Stanwood | 42 | Shoulder |
| Dr. Eric Rightmire | 40 | Knee |
Patient Reviews & Ratings
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