Dr. Gregory Matter, MD
What this data tells you about Dr. Matter
Dr. Gregory Matter is a thoracic surgery in Sherman, TX, with 19 years in practice. Based on federal Medicare data, Dr. Matter performed 263 Medicare services across 255 unique beneficiaries.
Between the years covered by Open Payments, Dr. Matter received a total of $12,964 from 23 pharmaceutical and/or device companies across 121 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in thoracic surgery. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Matter is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| New patient office visit, complex (60-74 min) | 38 | $164 | $432 |
| Initial hospital admission, high complexity | 29 | $133 | $374 |
| Office visit, established patient (20-29 min) | 28 | $62 | $178 |
| Coronary artery bypass using artery graft, 1 graft | 27 | $1,277 | $3,688 |
| Coronary artery bypass using vein or artery graft, 2 grafts | 21 | $305 | $815 |
| Coronary artery bypass using vein or artery graft, 3 grafts | 20 | $383 | $1,079 |
| Coronary artery bypass using artery graft, 2 grafts | 19 | $1,636 | $6,655 |
| Harvest of arm artery segment for heart byplass procedure | 19 | $138 | $944 |
| Removal of blood flow assist device in aorta | 17 | $25 | $86 |
| Initial hospital admission, moderate complexity | 17 | $100 | $264 |
| Insertion of pacemaker and upper and lower heart chamber electrode | 16 | $377 | $1,108 |
| Insertion of blood flow assist device in aorta through skin | 12 | $184 | $949 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Matter is a cardiac surgery specialist, with above-average Medicare volume (top 28% in TX), and low-engagement industry engagement, with 19 years of practice experience.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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