Dr. Nizar Ramzan, M.D.,
What this data tells you about Dr. Ramzan
Dr. Nizar Ramzan is a gastroenterology in Houston, TX, with 19 years in practice. Based on federal Medicare data, Dr. Ramzan performed 2,650 Medicare services across 1,976 unique beneficiaries.
Between the years covered by Open Payments, Dr. Ramzan received a total of $15,598 from 52 pharmaceutical and/or device companies across 959 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in gastroenterology. 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. Ramzan 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 |
|---|---|---|---|
| Office visit, established patient (30-39 min) | 563 | $91 | $256 |
| Office visit, established patient (20-29 min) | 370 | $64 | $146 |
| Chronic care management, additional 20 min/month | 321 | $36 | $115 |
| New patient office visit (45-59 min) | 220 | $114 | $350 |
| New patient office visit (30-44 min) | 204 | $62 | $217 |
| Colonoscopy with biopsy | 196 | $139 | $800 |
| Upper GI endoscopy with biopsy | 190 | $71 | $400 |
| Chronic care management, first 20 min/month | 184 | $48 | $82 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 94 | $176 | $850 |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | 61 | $60 | $164 |
| Office visit, established patient, complex (40-54 min) | 47 | $120 | $291 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 44 | $176 | $766 |
| Telephone medical discussion with physician, 21-30 minutes | 26 | $56 | $265 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 24 | $105 | $450 |
| Banding of hemorrhoids using a flexible endoscope (sigmoidoscope) | 22 | $77 | $520 |
| Diagnostic exam of large bowel using a flexible endoscope | 22 | $135 | $768 |
| Destruction of polyp or growth of large bowel using a flexible endoscope | 19 | $209 | $661 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 17 | $171 | $768 |
| Initial hospital admission, moderate complexity | 13 | $100 | $276 |
| Telephone medical discussion with physician, 11-20 minutes | 13 | $64 | $185 |
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. Ramzan is a clinical cardiology specialist, with above-average Medicare volume (top 4% in TX), and high industry engagement (low-engagement, top 13%), 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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