Dr. Howard Hamat, MD
What this data tells you about Dr. Hamat
Dr. Howard Hamat is a gastroenterology in Houston, TX, with 20 years in practice. Based on federal Medicare data, Dr. Hamat performed 1,937 Medicare services across 1,249 unique beneficiaries.
Between the years covered by Open Payments, Dr. Hamat received a total of $15,530 from 43 pharmaceutical and/or device companies across 431 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in gastroenterology. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Hamat 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 |
|---|---|---|---|
| Tissue pathology examination, moderate complexity | 572 | $28 | $71 |
| Office visit, established patient (30-39 min) | 303 | $98 | $151 |
| Special stained specimen slides to examine tissue including interpretation and report | 227 | $53 | $66 |
| Special stained specimen slides to identify organisms including interpretation and report | 212 | $71 | $95 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 129 | $215 | $699 |
| Office visit, established patient (20-29 min) | 124 | $70 | $100 |
| Upper GI endoscopy with biopsy | 111 | $83 | $325 |
| New patient office visit (45-59 min) | 88 | $132 | $225 |
| New patient office visit (30-44 min) | 31 | $76 | $125 |
| Colonoscopy with biopsy | 27 | $123 | $554 |
| Diagnostic exam of large bowel using a flexible endoscope | 23 | $152 | $464 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 20 | $190 | $540 |
| Complete ultrasound scan of abdomen | 19 | $88 | $275 |
| Measurement of liver stiffness | 15 | $25 | $100 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | 13 | $136 | $350 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | $84 | $250 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 11 | $190 | $540 |
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 ›
The majority of payments (49%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.
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. Hamat is a clinical cardiology specialist, with above-average Medicare volume (top 7% in TX), and high industry engagement (consulting-driven, top 13%), with 20 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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