Dr. Zachary Lum, DO
Contact & Location
Pembroke Pines, FL 33029
Dr. Zachary Lum is a board-certified orthopedic surgeon practicing in Pembroke Pines, Florida. Dr. Lum has performed 23 Medicare-verified knee replacements (#283 in Florida) and 21 hip replacements, for a combined total of 44 procedures.
In Florida, Dr. Lum performs below average in knee (23 vs 48 avg), below average in hip (21 vs 40 avg).
Dr. Lum's reported Medicare volume is split between knee replacements (23 cases) and hip replacements (21 cases).
Pembroke Pines is home to 3 orthopedic surgeons in the current Medicare dataset. Patients in the Pembroke Pines area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Lum extend back to 2018, covering 5 years of data. Over that period, recorded procedure volume increased from 13 to 44 in the most recent data, a 238% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Lum's 23 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
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. Lum Compares
Procedure volume compared to the Florida state average.
Volume Trend Analysis
Dr. Lum's Medicare-recorded procedure volume has trended upward over 5 years, increasing 238% from 13 procedures in 2018 to 44 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.
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.
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. Lum
How does Dr. Lum's procedure volume compare to other Florida surgeons?
Dr. Lum has performed 44 Medicare-verified joint replacement procedures. The Florida average is 72 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Lum ranks #288 out of 523 orthopedic surgeons in Florida.
What types of joint replacement does Dr. Lum perform?
Dr. Lum's Medicare data shows procedures in knee replacement (23 cases) and hip replacement (21 cases).
Are there other orthopedic surgeons near Dr. Lum in Pembroke Pines?
Yes. There are 3 orthopedic surgeons in Pembroke Pines 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 Florida surgeons.
What does the Medicare data for Dr. Lum 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. Lum's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 44 procedures shown here.
Has Dr. Lum's procedure volume changed over time?
Yes. Dr. Lum's Medicare-recorded volume has increased from 13 procedures in 2018 to 44 in the most recent data, a 238% increase over 5 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 48 procedures in 2020.
Does Dr. Lum perform more than one type of joint replacement?
Yes. Dr. Lum's Medicare data shows procedures in knee replacement (23 cases), hip replacement (21 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Lum affiliated with?
According to CMS facility affiliation data, Dr. Lum is affiliated with University Of California Davis Medical Center. Dr. Lum maintains hospital privileges across state lines, indicating a practice that serves patients in multiple states.
How does Dr. Lum compare to other orthopedic surgeons in Pembroke Pines?
Among the 3 orthopedic surgeons in Pembroke Pines, Dr. Lum ranks #1 by total Medicare procedure volume. Dr. Lum has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Lum practices?
University Of California Davis Medical Center (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 Pembroke Pines, Florida
Dr. Lum's 44 Medicare procedures are above the Pembroke Pines average of 33. The table below compares verified procedure volumes for orthopedic surgeons practicing in Pembroke Pines.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Daniel Sheldon | 38 | Hip, Knee |
| Dr. Miriam Weisberg-Tannenbaum | 16 | 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.