Dr. Michael Gruber, MD
Dr. Michael Gruber is a board-certified orthopedic surgeon practicing in Newnan, Georgia. A Medicare provider since 2006, Dr. Gruber has performed 85 Medicare-verified knee replacements (#18 in Georgia) and 34 hip replacements, for a combined total of 119 procedures.
In Georgia, Dr. Gruber performs well above average in knee (85 vs 40 avg), near average in hip (34 vs 33 avg).
Dr. Gruber's reported Medicare volume is split between knee replacements (85 cases) and hip replacements (34 cases).
Beyond general orthopedic surgery, Dr. Gruber holds additional credentials in Sports Medicine, reflecting subspecialty training that may benefit patients with complex joint conditions.
Newnan is home to 9 orthopedic surgeons in the current Medicare dataset. Patients in the Newnan area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Gruber extend back to 2013, covering 11 years of data. Over that period, recorded procedure volume increased from 30 to 119 in the most recent data, a 297% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Gruber's 85 verified procedures is above 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. Gruber Compares
Procedure volume compared to the Georgia state average.
Contact & Location
Newnan, GA 30265
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Gruber's Medicare-recorded procedure volume has trended upward over 11 years, increasing 297% from 30 procedures in 2013 to 119 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.
Rehabilitation Roadmap: Your Complete Recovery GuideA structured physical therapy progression from the first post-op exercises through full strength and mobility restoration over 3 to 6 months.
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. Gruber
How does Dr. Gruber's procedure volume compare to other Georgia surgeons?
Dr. Gruber has performed 119 Medicare-verified joint replacement procedures. This is more than 2x the Georgia average of 55 procedures per surgeon. Dr. Gruber ranks #25 out of 255 orthopedic surgeons in Georgia.
What types of joint replacement does Dr. Gruber perform?
Dr. Gruber's Medicare data shows procedures in knee replacement (85 cases) and hip replacement (34 cases).
How experienced is Dr. Gruber with knee replacement surgery?
Dr. Gruber ranks #18 in Georgia for knee replacement with 85 Medicare-verified procedures. This high ranking among 255 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Gruber in Newnan?
Yes. There are 9 orthopedic surgeons in Newnan 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. Gruber 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. Gruber's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 119 procedures shown here.
Has Dr. Gruber's procedure volume changed over time?
Yes. Dr. Gruber's Medicare-recorded volume has increased from 30 procedures in 2013 to 119 in the most recent data, a 297% increase over 11 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 119 procedures in 2023.
Does Dr. Gruber perform more than one type of joint replacement?
Yes. Dr. Gruber's Medicare data shows procedures in knee replacement (85 cases), hip replacement (34 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Gruber affiliated with?
According to CMS facility affiliation data, Dr. Gruber is affiliated with Piedmont Newnan Hospital, Inc, Piedmont Fayette Hospital.
How does Dr. Gruber compare to other orthopedic surgeons in Newnan?
Among the 9 orthopedic surgeons in Newnan, Dr. Gruber ranks #1 by total Medicare procedure volume. Dr. Gruber has the highest verified Medicare volume in the city.
What are the quality ratings for hospitals where Dr. Gruber practices?
Piedmont Newnan Hospital, Inc (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Piedmont Fayette 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 Newnan, Georgia
Dr. Gruber's 119 Medicare procedures are above the Newnan average of 66. The table below compares verified procedure volumes for orthopedic surgeons practicing in Newnan.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Joshua Bell | 96 | Hip, Knee |
| Dr. Charles Claps | 89 | Hip, Knee |
| Dr. Shivam Desai | 69 | Hip, Knee |
| Dr. David Brcka | 47 | Knee, Shoulder |
| Dr. Michael Cushing | 27 | Shoulder |
| Dr. George Ballantyne | 18 | Knee |
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