Dr. Michael Feldstein, M.D.
Contact & Location
San Francisco, CA 94117
Dr. Michael Feldstein is a board-certified orthopedic surgeon practicing in San Francisco, California. Dr. Feldstein has performed 23 Medicare-verified knee replacements (#317 in California) and 18 hip replacements, for a combined total of 41 procedures.
In California, Dr. Feldstein performs below average in knee (23 vs 47 avg), below average in hip (18 vs 41 avg).
Dr. Feldstein's reported Medicare volume is split between knee replacements (23 cases) and hip replacements (18 cases).
San Francisco is home to 23 orthopedic surgeons in the current Medicare dataset. Patients in the San Francisco area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Feldstein extend back to 2015, covering 3 years of data. Over that period, recorded procedure volume increased from 25 to 41 in the most recent data, a 64% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Feldstein'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. Feldstein Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Feldstein's Medicare-recorded procedure volume has trended upward over 3 years, increasing 64% from 25 procedures in 2015 to 41 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.
What to Expect on the Day of SurgeryA step-by-step walkthrough of your surgical day, from pre-op preparation through anesthesia, the procedure itself, and the first hours of recovery.
Pain Management After Joint ReplacementA comprehensive guide to managing post-surgical pain through medication, physical therapy, cold therapy, and non-pharmacological strategies.
Medicare Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Feldstein
How does Dr. Feldstein's procedure volume compare to other California surgeons?
Dr. Feldstein has performed 41 Medicare-verified joint replacement procedures. The California average is 68 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Feldstein ranks #316 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Feldstein perform?
Dr. Feldstein's Medicare data shows procedures in knee replacement (23 cases) and hip replacement (18 cases).
Are there other orthopedic surgeons near Dr. Feldstein in San Francisco?
Yes. There are 23 orthopedic surgeons in San Francisco 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. Feldstein 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. Feldstein's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 41 procedures shown here.
Has Dr. Feldstein's procedure volume changed over time?
Yes. Dr. Feldstein's Medicare-recorded volume has increased from 25 procedures in 2015 to 41 in the most recent data, a 64% increase over 3 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 41 procedures in 2024.
Does Dr. Feldstein perform more than one type of joint replacement?
Yes. Dr. Feldstein's Medicare data shows procedures in knee replacement (23 cases), hip replacement (18 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Feldstein affiliated with?
According to CMS facility affiliation data, Dr. Feldstein is affiliated with Ucsf Health St. Mary'S Hospital, Ucsf Health Saint Francis Hospital, Ucsf Medical Center.
How does Dr. Feldstein compare to other orthopedic surgeons in San Francisco?
Among the 23 orthopedic surgeons in San Francisco, Dr. Feldstein ranks #10 by total Medicare procedure volume. The highest-volume surgeon in San Francisco has 201 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Feldstein practices?
Ucsf Health St. Mary'S Hospital (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Ucsf Health Saint Francis Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Ucsf 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 San Francisco, California
Dr. Feldstein's 41 Medicare procedures are below the San Francisco average of 132. The table below compares verified procedure volumes for orthopedic surgeons practicing in San Francisco.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Barry | 201 | Hip, Knee |
| Dr. Derek Ward | 190 | Hip, Knee |
| Dr. Peter Callander | 177 | Hip, Knee |
| Dr. Erik Hansen | 133 | Hip, Knee |
| Dr. Christopher Cox | 95 | Hip, Knee |
| Dr. John Belzer | 88 | Knee, 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.