Dr. Frederick Gregg, D.O.
Contact & Location
Hattiesburg, MS 39401
Dr. Frederick Gregg is a board-certified orthopedic surgeon practicing in Hattiesburg, Mississippi. A Medicare provider since 2007, Dr. Gregg has performed 77 Medicare-verified knee replacements, ranking #16 in Mississippi.
In Mississippi, Dr. Gregg performs above average in knee (77 vs 59 avg).
Dr. Gregg's Medicare data shows a focused knee replacement practice with 77 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.
Hattiesburg is home to 11 orthopedic surgeons in the current Medicare dataset. Patients in the Hattiesburg area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Gregg extend back to 2016, covering 9 years of data. Over that period, recorded procedure volume increased from 19 to 77 in the most recent data, a 305% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,599 knee replacement surgeons tracked nationally, Dr. Gregg's 77 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. Gregg Compares
Procedure volume compared to the Mississippi state average.
Volume Trend Analysis
Dr. Gregg's Medicare-recorded procedure volume has trended upward over 9 years, increasing 305% from 19 procedures in 2016 to 77 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.
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 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. Gregg
How does Dr. Gregg's procedure volume compare to other Mississippi surgeons?
Dr. Gregg has performed 77 Medicare-verified joint replacement procedures. This is in line with the Mississippi average of 69 procedures per surgeon. Dr. Gregg ranks #22 out of 78 orthopedic surgeons in Mississippi.
What types of joint replacement does Dr. Gregg perform?
Dr. Gregg's reported Medicare volume is focused on knee replacement, with 77 verified procedures. Some surgeons choose to concentrate on a single joint type to build deep procedural expertise.
How experienced is Dr. Gregg with knee replacement surgery?
Dr. Gregg ranks #16 in Mississippi for knee replacement with 77 Medicare-verified procedures. This high ranking among 78 state surgeons indicates significant experience with this specific procedure.
Are there other orthopedic surgeons near Dr. Gregg in Hattiesburg?
Yes. There are 11 orthopedic surgeons in Hattiesburg 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 Mississippi surgeons.
What does the Medicare data for Dr. Gregg 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. Gregg's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 77 procedures shown here.
Has Dr. Gregg's procedure volume changed over time?
Yes. Dr. Gregg's Medicare-recorded volume has increased from 19 procedures in 2016 to 77 in the most recent data, a 305% increase over 9 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 77 procedures in 2024.
Which hospitals is Dr. Gregg affiliated with?
According to CMS facility affiliation data, Dr. Gregg is affiliated with Forrest General Hospital, Wayne General Hospital, South Central Reg Med Ctr, Merit Health Wesley, Jasper General Hospital.
How does Dr. Gregg compare to other orthopedic surgeons in Hattiesburg?
Among the 11 orthopedic surgeons in Hattiesburg, Dr. Gregg ranks #3 by total Medicare procedure volume. Dr. Gregg is among the highest-volume surgeons in Hattiesburg.
What are the quality ratings for hospitals where Dr. Gregg practices?
Forrest General Hospital (2 out of 5 CMS stars, hip/knee complication rate similar to national average); Wayne General Hospital (2 out of 5 CMS stars); South Central Reg Med Ctr (1 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 Hattiesburg, Mississippi
Dr. Gregg's 77 Medicare procedures are below the Hattiesburg average of 80. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hattiesburg.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. James Sikes | 173 | Hip, Knee |
| Dr. Donald Ward | 144 | Hip, Knee, Shoulder |
| Dr. Matthew Valentine | 60 | Hip, Knee |
| Dr. Brian Humpherys | 44 | Hip, Knee |
| Dr. Raymond Whitehead | 32 | Knee |
| Dr. James Weaver | 30 | 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.