Dr. Gregory Raab, MD
Dr. Gregory Raab is a board-certified orthopedic surgeon practicing in Nashville, Tennessee. Dr. Raab has performed 126 Medicare-verified knee replacements (#7 in Tennessee) and 25 hip replacements, for a combined total of 151 procedures.
In Tennessee, Dr. Raab performs well above average in knee (126 vs 45 avg), below average in hip (25 vs 36 avg).
Dr. Raab's practice is heavily focused on knee replacement surgery, which accounts for 83% of reported Medicare volume.
Nashville is home to 35 orthopedic surgeons in the current Medicare dataset. Patients in the Nashville area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Raab extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 47 to 151 in the most recent data, a 221% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Raab's 126 verified procedures is more than 2x the national average of 45.
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. Raab Compares
Procedure volume compared to the Tennessee state average.
Contact & Location
Nashville, TN 37203
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Raab's Medicare-recorded procedure volume has trended upward over 11 years, increasing 221% from 47 procedures in 2013 to 151 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.
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. Raab
How does Dr. Raab's procedure volume compare to other Tennessee surgeons?
Dr. Raab has performed 151 Medicare-verified joint replacement procedures. This is more than 2x the Tennessee average of 64 procedures per surgeon. Dr. Raab ranks #21 out of 214 orthopedic surgeons in Tennessee.
What types of joint replacement does Dr. Raab perform?
Dr. Raab's Medicare data shows procedures in knee replacement (126 cases) and hip replacement (25 cases).
How experienced is Dr. Raab with knee replacement surgery?
Dr. Raab ranks #7 in Tennessee for knee replacement with 126 Medicare-verified procedures. This high ranking among 214 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Raab in Nashville?
Yes. There are 35 orthopedic surgeons in Nashville 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 Tennessee surgeons.
What does the Medicare data for Dr. Raab 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. Raab's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 151 procedures shown here.
Has Dr. Raab's procedure volume changed over time?
Yes. Dr. Raab's Medicare-recorded volume has increased from 47 procedures in 2013 to 151 in the most recent data, a 221% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 151 procedures in 2023.
Does Dr. Raab perform more than one type of joint replacement?
Yes. Dr. Raab's Medicare data shows procedures in knee replacement (126 cases), hip replacement (25 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Raab affiliated with?
According to CMS facility affiliation data, Dr. Raab is affiliated with Ascension Saint Thomas Hospital.
How does Dr. Raab compare to other orthopedic surgeons in Nashville?
Among the 35 orthopedic surgeons in Nashville, Dr. Raab ranks #4 by total Medicare procedure volume. The highest-volume surgeon in Nashville has 238 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Raab practices?
Ascension Saint Thomas Hospital (3 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 Nashville, Tennessee
Dr. Raab's 151 Medicare procedures are below the Nashville average of 163. The table below compares verified procedure volumes for orthopedic surgeons practicing in Nashville.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. David Deboer | 238 | Hip, Knee |
| Dr. Jeffrey Hodrick | 190 | Hip, Knee |
| Dr. Jefferson Morrison | 165 | Hip, Knee, Shoulder |
| Dr. William Shell | 147 | Hip, Knee |
| Dr. Philip Karpos | 142 | Hip, Knee |
| Dr. Michael Christie | 111 | Hip, Knee |
Patient Reviews & Ratings
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