Dr. Simon Greenbaum, MD
Dr. Simon Greenbaum is a board-certified orthopedic surgeon practicing in Bronx, New York. A Medicare provider since 2014, Dr. Greenbaum has performed 34 Medicare-verified hip replacements (#91 in New York) and 19 knee replacements, for a combined total of 53 procedures.
In New York, Dr. Greenbaum performs near average in hip (34 vs 42 avg), below average in knee (19 vs 45 avg).
Dr. Greenbaum's reported Medicare volume is split between hip replacements (34 cases) and knee replacements (19 cases).
Bronx is home to 8 orthopedic surgeons in the current Medicare dataset. Patients in the Bronx area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Greenbaum extend back to 2021, covering 3 years of data. Over that period, recorded procedure volume increased from 37 to 53 in the most recent data, a 43% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,526 hip replacement surgeons tracked nationally, Dr. Greenbaum's 34 verified procedures is near the national average of 36.
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. Greenbaum Compares
Procedure volume compared to the New York state average.
Contact & Location
Bronx, NY 10461
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Greenbaum's Medicare-recorded procedure volume has trended upward over 3 years, increasing 43% from 37 procedures in 2021 to 53 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. Greenbaum
How does Dr. Greenbaum's procedure volume compare to other New York surgeons?
Dr. Greenbaum has performed 53 Medicare-verified joint replacement procedures. The New York average is 67 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Greenbaum ranks #139 out of 338 orthopedic surgeons in New York.
What types of joint replacement does Dr. Greenbaum perform?
Dr. Greenbaum's Medicare data shows procedures in hip replacement (34 cases) and knee replacement (19 cases).
Are there other orthopedic surgeons near Dr. Greenbaum in Bronx?
Yes. There are 8 orthopedic surgeons in Bronx 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 New York surgeons.
What does the Medicare data for Dr. Greenbaum 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. Greenbaum's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 53 procedures shown here.
Has Dr. Greenbaum's procedure volume changed over time?
Yes. Dr. Greenbaum's Medicare-recorded volume has increased from 37 procedures in 2021 to 53 in the most recent data, a 43% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 53 procedures in 2023.
Does Dr. Greenbaum perform more than one type of joint replacement?
Yes. Dr. Greenbaum's Medicare data shows procedures in hip replacement (34 cases), knee replacement (19 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Greenbaum affiliated with?
According to CMS facility affiliation data, Dr. Greenbaum is affiliated with St Francis Hospital, Roslyn, Huntington Hospital, Glen Cove Hospital, St Charles Hospital, North Shore University Hospital.
How does Dr. Greenbaum compare to other orthopedic surgeons in Bronx?
Among the 8 orthopedic surgeons in Bronx, Dr. Greenbaum ranks #1 by total Medicare procedure volume. Dr. Greenbaum has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Greenbaum practices?
St Francis Hospital, Roslyn (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Huntington Hospital (5 out of 5 CMS stars, hip/knee complication rate similar to national average); Glen Cove Hospital (5 out of 5 CMS stars). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Bronx, New York
Dr. Greenbaum's 53 Medicare procedures are above the Bronx average of 36. The table below compares verified procedure volumes for orthopedic surgeons practicing in Bronx.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Robert Li | 47 | Hip, Knee |
| Dr. Sun Jin Kim | 43 | Knee |
| Dr. Morteza Meftah | 42 | Hip, Knee |
| Dr. Jeremy Loloi | 38 | Hip, Knee |
| Dr. Evan Schwechter | 18 | Knee |
| Dr. Yossef Blum | 14 | Knee |
Patient Reviews & Ratings
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