Dr. Michael Gerhardt, M.D.
Contact & Location
Santa Monica, CA 90404
Dr. Michael Gerhardt is a board-certified orthopedic surgeon practicing in Santa Monica, California. A Medicare provider since 2006, Dr. Gerhardt has performed 105 Medicare-verified hip replacements, ranking #24 in California.
In California, Dr. Gerhardt performs well above average in hip (105 vs 41 avg).
Dr. Gerhardt's Medicare data shows a focused hip replacement practice with 105 verified procedures. Surgeons who concentrate on a single procedure type often develop deep procedural expertise, though total practice volume may include additional procedures not captured in Medicare fee-for-service data.
Santa Monica is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Santa Monica area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Gerhardt extend back to 2015, covering 10 years of data. Over that period, recorded procedure volume increased from 15 to 105 in the most recent data, a 600% increase. This sustained growth reflects an expanding joint replacement practice.
Among 4,532 hip replacement surgeons tracked nationally, Dr. Gerhardt's 105 verified procedures is more than 2x the national average of 36, ranking #134 nationally.
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. Gerhardt Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Gerhardt's Medicare-recorded procedure volume has trended upward over 10 years, increasing 600% from 15 procedures in 2015 to 105 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.
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.
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 Coverage for Joint ReplacementWhat Medicare Part A and Part B cover for joint replacement surgery, including hospital stays, surgeon fees, anesthesia, and physical therapy.
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. Gerhardt
How does Dr. Gerhardt's procedure volume compare to other California surgeons?
Dr. Gerhardt has performed 105 Medicare-verified joint replacement procedures. This is significantly above the California average of 68 procedures per surgeon. Dr. Gerhardt ranks #103 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Gerhardt perform?
Dr. Gerhardt's reported Medicare volume is focused on hip replacement, with 105 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Gerhardt in Santa Monica?
Yes. There are 11 orthopedic surgeons in Santa Monica 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. Gerhardt 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. Gerhardt's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 105 procedures shown here.
Has Dr. Gerhardt's procedure volume changed over time?
Yes. Dr. Gerhardt's Medicare-recorded volume has increased from 15 procedures in 2015 to 105 in the most recent data, a 600% increase over 10 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 105 procedures in 2024.
Which hospitals is Dr. Gerhardt affiliated with?
According to CMS facility affiliation data, Dr. Gerhardt is affiliated with Saint John'S Health Center, Cedar-Sinai Marina Del Rey Hospital.
How does Dr. Gerhardt compare to other orthopedic surgeons in Santa Monica?
Among the 11 orthopedic surgeons in Santa Monica, Dr. Gerhardt ranks #3 by total Medicare procedure volume. Dr. Gerhardt is among the highest-volume surgeons in Santa Monica.
What are the quality ratings for hospitals where Dr. Gerhardt practices?
Saint John'S Health Center (4 out of 5 CMS stars, hip/knee complication rate better than national average); Cedar-Sinai Marina Del Rey Hospital (4 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 Santa Monica, California
Dr. Gerhardt's 105 Medicare procedures are above the Santa Monica average of 88. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Monica.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Zarin | 173 | Hip, Knee |
| Dr. Umesh Bhagia | 156 | Hip, Knee, Shoulder |
| Dr. Alexandra Stavrakis | 69 | Hip, Knee |
| Dr. Kevin Ehrhart | 46 | Knee |
| Dr. Ryan Bennett | 34 | Knee |
| Dr. Kevin Ilo | 33 | Hip, Knee |
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.