Knee
Dr. Adam Rosen, D.O.
Dr. Adam Rosen is a board-certified orthopedic surgeon practicing in La Jolla, California. A Medicare provider since 2006, Dr. Rosen has performed 34 Medicare-verified knee replacements, ranking #221 in California.
In California, Dr. Rosen performs below average in knee (34 vs 45 avg).
Dr. Rosen's Medicare data shows a focused knee replacement practice with 34 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.
La Jolla is home to 16 orthopedic surgeons in the current Medicare dataset. Patients in the La Jolla area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Rosen's Medicare data spans 11 years, beginning in 2013. Volume peaked at 86 procedures in 2016 before settling at 34 in the most recent data. Changes in Medicare reporting, payer mix shifts, or practice focus adjustments can all influence year-to-year volume.
Dr. Rosen's 34 knee replacement procedures is below the national average of 45 among 6,720 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
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. Rosen Compares
Procedure volume compared to the California state average.
Contact & Location
La Jolla, CA 92037
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Rosen's recorded volume peaked at 86 procedures in 2016 and stood at 34 in the most recent data. Year-to-year variation can reflect changes in payer mix, practice scope, or Medicare billing patterns.
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.
Recovery Timeline: Week-by-Week ExpectationsA detailed week-by-week guide covering pain levels, mobility milestones, physical therapy progression, and when to expect a return to daily activities.
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. Rosen
How does Dr. Rosen's procedure volume compare to other California surgeons?
Dr. Rosen has performed 34 Medicare-verified joint replacement procedures. The California average is 65 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Rosen ranks #347 out of 608 orthopedic surgeons in California.
What types of joint replacement does Dr. Rosen perform?
Dr. Rosen's reported Medicare volume is focused on knee replacement, with 34 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Rosen in La Jolla?
Yes. There are 16 orthopedic surgeons in La Jolla 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. Rosen 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. Rosen's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 34 procedures shown here.
Has Dr. Rosen's procedure volume changed over time?
Dr. Rosen's Medicare-recorded volume peaked at 86 procedures in 2016 and was 34 in the most recent data. Volume fluctuations can reflect changes in payer mix, practice focus, or Medicare reporting rather than a change in overall surgical activity.
Which hospitals is Dr. Rosen affiliated with?
According to CMS facility affiliation data, Dr. Rosen is affiliated with Scripps Green Hospital, Scripps Memorial Hospital - Encinitas.
How does Dr. Rosen compare to other orthopedic surgeons in La Jolla?
Among the 16 orthopedic surgeons in La Jolla, Dr. Rosen ranks #12 by total Medicare procedure volume. The highest-volume surgeon in La Jolla has 193 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Rosen practices?
Scripps Green Hospital (5 out of 5 CMS stars, hip/knee complication rate better than national average); Scripps Memorial Hospital - Encinitas (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 La Jolla, California
Dr. Rosen's 34 Medicare procedures are below the La Jolla average of 111. The table below compares verified procedure volumes for orthopedic surgeons practicing in La Jolla.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. William Bugbee | 193 | Hip, Knee |
| Dr. Steven Copp | 157 | Hip, Knee |
| Dr. Jeffrey Wilde | 111 | Hip, Knee |
| Dr. Anna Kulidjian | 99 | Hip, Knee |
| Dr. F. Craig Swenson | 96 | Hip, Knee |
| Dr. Timothy Horan | 90 | Hip, Knee |
Patient Reviews & Ratings
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