Dr. Thomas Degenhardt, M.D.
Contact & Location
Santa Rosa, CA 95405
Dr. Thomas Degenhardt is a board-certified orthopedic surgeon practicing in Santa Rosa, California. Dr. Degenhardt has performed 15 Medicare-verified knee replacements, ranking #408 in California.
In California, Dr. Degenhardt performs below average in knee (15 vs 47 avg).
Dr. Degenhardt's Medicare data shows a focused knee replacement practice with 15 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 Rosa is home to 10 orthopedic surgeons in the current Medicare dataset. Patients in the Santa Rosa area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Dr. Degenhardt's Medicare record spans 9 years from 2013 through 2024. Procedure volume has remained consistent during that period, ranging from 12 to 21 procedures per year, reflecting a steady joint replacement practice.
Dr. Degenhardt's 15 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. Degenhardt Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Degenhardt's procedure volume has been consistent across 9 years of Medicare data, ranging from 12 to 21 procedures per year. This stability suggests a well-established joint replacement practice.
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.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
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. Degenhardt
How does Dr. Degenhardt's procedure volume compare to other California surgeons?
Dr. Degenhardt has performed 15 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. Degenhardt ranks #520 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Degenhardt perform?
Dr. Degenhardt's reported Medicare volume is focused on knee replacement, with 15 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
Are there other orthopedic surgeons near Dr. Degenhardt in Santa Rosa?
Yes. There are 10 orthopedic surgeons in Santa Rosa 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. Degenhardt 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. Degenhardt's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 15 procedures shown here.
Has Dr. Degenhardt's procedure volume changed over time?
Dr. Degenhardt's procedure volume has been relatively stable over 9 years of Medicare data, ranging from 12 to 21 procedures per year between 2013 and 2024. Consistent volume over multiple years reflects a steady joint replacement practice.
How does Dr. Degenhardt compare to other orthopedic surgeons in Santa Rosa?
Among the 10 orthopedic surgeons in Santa Rosa, Dr. Degenhardt ranks #9 by total Medicare procedure volume. The highest-volume surgeon in Santa Rosa has 180 verified Medicare procedures.
Other Orthopedic Surgeons in Santa Rosa, California
Dr. Degenhardt's 15 Medicare procedures are below the Santa Rosa average of 85. The table below compares verified procedure volumes for orthopedic surgeons practicing in Santa Rosa.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Jeffrey Mulvihill | 180 | Hip, Knee |
| Dr. Kevin Howe | 160 | Hip, Knee |
| Dr. Gary Stein | 82 | Hip, Knee |
| Dr. Steven Smith | 55 | Hip, Knee |
| Dr. Kent Yinger | 55 | Shoulder |
| Dr. Jacob Zipperstein | 48 | 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.