Dr. Douglas Dennis, M.D.
Contact & Location
916-734-2807
Sacramento, CA 95817
About Dr. Dennis
Dr. Douglas Dennis is a board-certified orthopedic surgeon practicing in Sacramento, California. A Medicare provider since 2005, Dr. Dennis performed 22 Medicare-verified knee replacements (#331 in California) and 18 hip replacements in the latest annual CMS data, for a combined total of 40 procedures.
In California, Dr. Dennis performs below the state average in knee (22 vs 47), below the state average in hip (18 vs 41).
Dr. Dennis's reported Medicare volume is split between knee replacements (22 cases) and hip replacements (18 cases).
Sacramento is home to 28 orthopedic surgeons in the current Medicare dataset. Patients in the Sacramento area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Dennis extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 13 to 40 in the most recent data, a 208% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Dennis's 22 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)
| Year | Hip Replacement | Knee Replacement | Shoulder Replacement |
|---|---|---|---|
| 2013 | 0 | 13 | 0 |
| 2014 | 0 | 17 | 0 |
| 2015 | 0 | 14 | 0 |
| 2016 | 0 | 24 | 0 |
| 2017 | 18 | 19 | 0 |
| 2018 | 12 | 19 | 0 |
| 2019 | 16 | 17 | 0 |
| 2020 | 0 | 22 | 0 |
| 2021 | 0 | 27 | 15 |
| 2022 | 0 | 25 | 0 |
| 2023 | 17 | 26 | 0 |
| 2024 | 18 | 22 | 0 |
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. Dennis Compares
Procedure volume compared to the California state average.
Volume Trend Analysis
Dr. Dennis's Medicare-recorded procedure volume has trended upward over 12 years, increasing 208% from 13 procedures in 2013 to 40 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.
Home Safety: Creating Your Recovery SanctuaryRoom-by-room modifications, equipment recommendations, and fall-prevention strategies to prepare your home for a safe post-surgical recovery.
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. Dennis
How does Dr. Dennis's procedure volume compare to other California surgeons?
Dr. Dennis has performed 40 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. Dennis ranks #324 out of 613 orthopedic surgeons in California.
What types of joint replacement does Dr. Dennis perform?
Dr. Dennis's Medicare data shows procedures in knee replacement (22 cases) and hip replacement (18 cases).
Are there other orthopedic surgeons near Dr. Dennis in Sacramento?
Yes. There are 28 orthopedic surgeons in Sacramento 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. Dennis 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. Dennis's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 40 procedures shown here.
Has Dr. Dennis's procedure volume changed over time?
Yes. Dr. Dennis's Medicare-recorded volume has increased from 13 procedures in 2013 to 40 in the most recent data, a 208% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 43 procedures in 2023.
Does Dr. Dennis perform more than one type of joint replacement?
Yes. Dr. Dennis's Medicare data shows procedures in knee replacement (22 cases), hip replacement (18 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Dennis affiliated with?
According to CMS facility affiliation data, Dr. Dennis is affiliated with Sutter Solano Medical Center, Sutter Medical Center, Sacramento, Sutter Davis Hospital.
How does Dr. Dennis compare to other orthopedic surgeons in Sacramento?
Among the 28 orthopedic surgeons in Sacramento, Dr. Dennis ranks #12 by total Medicare procedure volume. The highest-volume surgeon in Sacramento has 147 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Dennis practices?
Sutter Solano Medical Center (3 out of 5 CMS stars, hip/knee complication rate similar to national average); Sutter Medical Center, Sacramento (4 out of 5 CMS stars, hip/knee complication rate similar to national average); Sutter Davis Hospital (4 out of 5 CMS stars, insufficient case volume for complication rate comparison). These are hospital-level quality metrics from CMS Hospital Compare and do not reflect individual surgeon outcomes.
Other Orthopedic Surgeons in Sacramento, California
Dr. Dennis's 40 Medicare procedures are below the Sacramento average of 85. The table below compares verified procedure volumes for orthopedic surgeons practicing in Sacramento.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Stephen Howell | 147 | Knee |
| Dr. John Meehan | 104 | Hip, Knee |
| Dr. Mauro Giordani | 85 | Hip, Knee |
| Dr. David Tai | 80 | Hip, Knee |
| Dr. Adam Taylor | 77 | Hip, Knee |
| Dr. Samuel Hu | 64 | 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.