Dr. Musa Zaid, MD
Contact & Location
650-652-8290
Daly City, CA 94015
About Dr. Zaid
Dr. Musa Zaid is a board-certified orthopedic surgeon practicing in Daly City, California. A Medicare provider since 2015, Dr. Zaid performed 38 Medicare-verified knee replacements (#196 in California) and 28 hip replacements in the latest annual CMS data, for a combined total of 66 procedures.
In California, Dr. Zaid performs near the state average in knee (38 vs 47), below the state average in hip (28 vs 41).
Dr. Zaid's reported Medicare volume is split between knee replacements (38 cases) and hip replacements (28 cases).
Daly City is home to 2 orthopedic surgeons in the current Medicare dataset. Patients in the Daly City area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Zaid extend back to 2021, covering 4 years of data. Over that period, recorded procedure volume increased from 11 to 66 in the most recent data, a 500% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Zaid's 38 verified procedures is near the national average of 45.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 11 |
| 2022 | 48 | 21 |
| 2023 | 20 | 0 |
| 2024 | 28 | 38 |
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. Zaid Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Zaid's Medicare-recorded procedure volume has trended upward over 4 years, increasing 500% from 11 procedures in 2021 to 66 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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Zaid
How does Dr. Zaid's procedure volume compare to other California surgeons?
Dr. Zaid has performed 66 Medicare-verified joint replacement procedures. This is in line with the California average of 68 procedures per surgeon. Dr. Zaid ranks #209 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Zaid perform?
Dr. Zaid's Medicare data shows procedures in knee replacement (38 cases) and hip replacement (28 cases).
Are there other orthopedic surgeons near Dr. Zaid in Daly City?
Yes. There are 2 orthopedic surgeons in Daly City 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 California surgeons.
What does the Medicare data for Dr. Zaid 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. Zaid's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 66 procedures shown here.
Has Dr. Zaid's procedure volume changed over time?
Yes. Dr. Zaid's Medicare-recorded volume has increased from 11 procedures in 2021 to 66 in the most recent data, a 500% increase over 4 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 69 procedures in 2022.
Does Dr. Zaid perform more than one type of joint replacement?
Yes. Dr. Zaid's Medicare data shows procedures in knee replacement (38 cases), hip replacement (28 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Zaid affiliated with?
According to CMS facility affiliation data, Dr. Zaid is affiliated with Mills-Peninsula Medical Center.
What are the quality ratings for hospitals where Dr. Zaid practices?
Mills-Peninsula Medical Center (5 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 Daly City, California
Dr. Zaid's 66 Medicare procedures are above the Daly City average of 45. The table below compares verified procedure volumes for orthopedic surgeons practicing in Daly City.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Philip Krueger | 24 | Hip |
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.