Dr. Greg Erens, MD
Contact & Location
Atlanta, GA 30329
Dr. Greg Erens is a board-certified orthopedic surgeon practicing in Atlanta, Georgia. A Medicare provider since 2006, Dr. Erens has performed 84 Medicare-verified knee replacements (#19 in Georgia) and 51 hip replacements, for a combined total of 135 procedures.
In Georgia, Dr. Erens performs well above average in knee (84 vs 40 avg), above average in hip (51 vs 33 avg).
Dr. Erens's reported Medicare volume is split between knee replacements (84 cases) and hip replacements (51 cases).
Atlanta is home to 30 orthopedic surgeons in the current Medicare dataset. Patients in the Atlanta area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Erens extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 96 to 135 in the most recent data, a 41% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Erens's 84 verified procedures is above the national average of 45.
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. Erens Compares
Procedure volume compared to the Georgia state average.
Volume Trend Analysis
Dr. Erens's Medicare-recorded procedure volume has trended upward over 12 years, increasing 41% from 96 procedures in 2013 to 135 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.
Prehabilitation: Preparing Your Body for SurgeryEvidence-based exercises and lifestyle adjustments that can improve surgical outcomes and speed recovery when started weeks before your procedure.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Medicare Bundled Payment Programs for Joint ReplacementHow bundled payment models affect your joint replacement costs and care coordination, and what it means for hospital and surgeon selection.
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. Erens
How does Dr. Erens's procedure volume compare to other Georgia surgeons?
Dr. Erens has performed 135 Medicare-verified joint replacement procedures. This is more than 2x the Georgia average of 55 procedures per surgeon. Dr. Erens ranks #17 out of 245 orthopedic surgeons in Georgia.
What types of joint replacement does Dr. Erens perform?
Dr. Erens's Medicare data shows procedures in knee replacement (84 cases) and hip replacement (51 cases).
How experienced is Dr. Erens with knee replacement surgery?
Dr. Erens ranks #19 in Georgia for knee replacement with 84 Medicare-verified procedures. This high ranking among 245 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Erens in Atlanta?
Yes. There are 30 orthopedic surgeons in Atlanta 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 Georgia surgeons.
What does the Medicare data for Dr. Erens 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. Erens's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 135 procedures shown here.
Has Dr. Erens's procedure volume changed over time?
Yes. Dr. Erens's Medicare-recorded volume has increased from 96 procedures in 2013 to 135 in the most recent data, a 41% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 136 procedures in 2023.
Does Dr. Erens perform more than one type of joint replacement?
Yes. Dr. Erens's Medicare data shows procedures in knee replacement (84 cases), hip replacement (51 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Erens affiliated with?
According to CMS facility affiliation data, Dr. Erens is affiliated with Emory University Hospital.
How does Dr. Erens compare to other orthopedic surgeons in Atlanta?
Among the 30 orthopedic surgeons in Atlanta, Dr. Erens ranks #5 by total Medicare procedure volume. The highest-volume surgeon in Atlanta has 249 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Erens practices?
Emory University 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 Atlanta, Georgia
Dr. Erens's 135 Medicare procedures are below the Atlanta average of 164. The table below compares verified procedure volumes for orthopedic surgeons practicing in Atlanta.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Mark Hanna | 249 | Hip, Knee |
| Dr. Thomas Bradbury | 207 | Hip, Knee |
| Dr. Jeffrey Peretz | 182 | Hip, Knee |
| Dr. Stephen Smith | 147 | Hip, Knee |
| Dr. Oren Goltzer | 122 | Hip, Knee |
| Dr. Ajay Premkumar | 104 | 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.