Dr. Frederick Gregg, D.O.
Dr. Frederick Gregg is a board-certified orthopedic surgeon practicing in Hattiesburg, Mississippi. A Medicare provider since 2007, Dr. Gregg has performed 57 Medicare-verified knee replacements (#21 in Mississippi) and 16 hip replacements, for a combined total of 73 procedures.
In Mississippi, Dr. Gregg performs near average in knee (57 vs 63 avg), below average in hip (16 vs 37 avg).
Dr. Gregg's practice is heavily focused on knee replacement surgery, which accounts for 78% of reported Medicare volume.
Hattiesburg is home to 10 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 8 years of data. Over that period, recorded procedure volume increased from 19 to 73 in the most recent data, a 284% increase. This sustained growth reflects an expanding joint replacement practice.
Among 6,720 knee replacement surgeons tracked nationally, Dr. Gregg's 57 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. Gregg Compares
Procedure volume compared to the Mississippi state average.
Contact & Location
Hattiesburg, MS 39401
Verified Case Volume Trends (2013-Current)
Volume Trend Analysis
Dr. Gregg's Medicare-recorded procedure volume has trended upward over 8 years, increasing 284% from 19 procedures in 2016 to 73 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 73 Medicare-verified joint replacement procedures. This is in line with the Mississippi average of 70 procedures per surgeon. Dr. Gregg ranks #26 out of 80 orthopedic surgeons in Mississippi.
What types of joint replacement does Dr. Gregg perform?
Dr. Gregg's Medicare data shows procedures in knee replacement (57 cases) and hip replacement (16 cases).
Are there other orthopedic surgeons near Dr. Gregg in Hattiesburg?
Yes. There are 10 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 73 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 73 in the most recent data, a 284% increase over 8 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 76 procedures in 2021.
Does Dr. Gregg perform more than one type of joint replacement?
Yes. Dr. Gregg's Medicare data shows procedures in knee replacement (57 cases), hip replacement (16 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
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 10 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 73 Medicare procedures are below the Hattiesburg average of 76. The table below compares verified procedure volumes for orthopedic surgeons practicing in Hattiesburg.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. James Sikes | 171 | Hip, Knee |
| Dr. Donald Ward | 116 | Hip, Knee, Shoulder |
| Dr. Raymond Whitehead | 53 | Knee |
| Dr. Brian Humpherys | 49 | Hip, Knee |
| Dr. Michael Cox | 42 | Hip, Knee |
| Dr. Lawrence Line | 27 | Shoulder |
Patient Reviews & Ratings
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