Dr. Michael Comstock, M.C. P.A.
Contact & Location
919-872-5296
Raleigh, NC 27609
About Dr. Comstock
Dr. Michael Comstock is a board-certified orthopedic surgeon practicing in Raleigh, North Carolina. A Medicare provider since 2006, Dr. Comstock performed 16 Medicare-verified knee replacements (#192 in North Carolina) and 14 hip replacements in the latest annual CMS data, for a combined total of 30 procedures.
In North Carolina, Dr. Comstock performs below the state average in knee (16 vs 44), below the state average in hip (14 vs 33).
Dr. Comstock's reported Medicare volume is split between knee replacements (16 cases) and hip replacements (14 cases).
Raleigh is home to 30 orthopedic surgeons in the current Medicare dataset. Patients in the Raleigh area can compare surgeon volume and procedure specialization to find the right fit for their joint replacement needs.
Medicare records for Dr. Comstock extend back to 2013, covering 12 years of data. Over that period, recorded procedure volume increased from 21 to 30 in the most recent data, a 43% increase. This sustained growth reflects an expanding joint replacement practice.
Dr. Comstock's 16 knee replacement procedures is below the national average of 45 among 6,599 surgeons. Medicare data captures roughly a third of all joint replacements, so actual volume is likely higher.
Verified Case Volume Trends (2013-Current)
| Year | Hip Replacement | Knee Replacement |
|---|---|---|
| 2013 | 0 | 21 |
| 2014 | 0 | 19 |
| 2015 | 11 | 24 |
| 2016 | 11 | 20 |
| 2017 | 14 | 19 |
| 2018 | 0 | 25 |
| 2019 | 15 | 30 |
| 2020 | 15 | 27 |
| 2021 | 13 | 20 |
| 2022 | 20 | 27 |
| 2023 | 14 | 30 |
| 2024 | 14 | 16 |
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. Comstock Compares
Procedure volume compared to the North Carolina state average.
Volume Trend Analysis
Dr. Comstock's Medicare-recorded procedure volume has trended upward over 12 years, increasing 43% from 21 procedures in 2013 to 30 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.
Questions to Ask Your Surgeon Before Joint ReplacementA practical checklist of questions covering experience, technique, hospital choice, and recovery expectations to discuss during your surgical consultation.
Nutrition and Recovery After Joint ReplacementHow protein intake, anti-inflammatory foods, hydration, and targeted supplements support bone healing and tissue repair after surgery.
Outpatient Joint Replacement: A Medicare GuideHow outpatient joint replacement works under Medicare, including eligibility criteria, cost differences, and what to expect with same-day discharge.
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. Comstock
How does Dr. Comstock's procedure volume compare to other North Carolina surgeons?
Dr. Comstock has performed 30 Medicare-verified joint replacement procedures. The North Carolina average is 61 procedures per surgeon. Medicare data captures roughly one-third of all joint replacements, so total volume may be higher. Dr. Comstock ranks #191 out of 293 orthopedic surgeons in North Carolina.
What types of joint replacement does Dr. Comstock perform?
Dr. Comstock's Medicare data shows procedures in knee replacement (16 cases) and hip replacement (14 cases).
Are there other orthopedic surgeons near Dr. Comstock in Raleigh?
Yes. There are 30 orthopedic surgeons in Raleigh 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 North Carolina surgeons.
What does the Medicare data for Dr. Comstock 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. Comstock's total practice volume — including private insurance and Medicare Advantage patients — is likely higher than the 30 procedures shown here.
Has Dr. Comstock's procedure volume changed over time?
Yes. Dr. Comstock's Medicare-recorded volume has increased from 21 procedures in 2013 to 30 in the most recent data, a 43% increase over 12 years. This upward trend suggests an expanding joint replacement practice. Peak volume was 47 procedures in 2022.
Does Dr. Comstock perform more than one type of joint replacement?
Yes. Dr. Comstock's Medicare data shows procedures in knee replacement (16 cases), hip replacement (14 cases). Surgeons who perform multiple joint replacement types maintain broad technical skills across different anatomical joints.
Which hospitals is Dr. Comstock affiliated with?
According to CMS facility affiliation data, Dr. Comstock is affiliated with Duke University Hospital.
How does Dr. Comstock compare to other orthopedic surgeons in Raleigh?
Among the 30 orthopedic surgeons in Raleigh, Dr. Comstock ranks #19 by total Medicare procedure volume. The highest-volume surgeon in Raleigh has 233 verified Medicare procedures.
What are the quality ratings for hospitals where Dr. Comstock practices?
Duke University Hospital (5 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 Raleigh, North Carolina
Dr. Comstock's 30 Medicare procedures are below the Raleigh average of 135. The table below compares verified procedure volumes for orthopedic surgeons practicing in Raleigh.
| Surgeon | Procedures | Specialties |
|---|---|---|
| Dr. Bradley Vaughn | 233 | Hip, Knee |
| Dr. John Chiavetta | 231 | Hip, Knee |
| Dr. Tyler Watters | 145 | Hip, Knee |
| Dr. David McNabb | 119 | Hip, Knee |
| Dr. Robert Wyker | 109 | Hip, Knee, Shoulder |
| Dr. Scott Eskildsen | 77 | 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.