Dr. Jeffrey Gretz, MD
What this data tells you about Dr. Gretz
Dr. Jeffrey Gretz is a gastroenterology in Bradenton, FL, with 19 years in practice. Based on federal Medicare data, Dr. Gretz performed 1,167 Medicare services across 1,007 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gretz received a total of $779 from 12 pharmaceutical and/or device companies across 24 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. Gretz 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) | 201 | $88 | $218 |
| Blood draw (venipuncture) | 120 | $8 | $14 |
| Tissue pathology examination, moderate complexity | 94 | $26 | $61 |
| Upper GI endoscopy with biopsy | 91 | $68 | $312 |
| Office visit, established patient (20-29 min) | 78 | $60 | $150 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 76 | $179 | $479 |
| New patient office visit (45-59 min) | 65 | $113 | $334 |
| Complete blood count (CBC) with differential | 57 | $8 | $22 |
| Colonoscopy with biopsy | 36 | $135 | $672 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 32 | $178 | $479 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 31 | $200 | $641 |
| Comprehensive metabolic blood panel | 29 | $10 | $30 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 28 | $71 | $505 |
| Diagnostic exam of large bowel using a flexible endoscope | 27 | $127 | $563 |
| Ferritin level test (iron stores) | 26 | $13 | $39 |
| Iron level test | 25 | $6 | $18 |
| Iron binding capacity test | 25 | $9 | $24 |
| Initial hospital admission, high complexity | 24 | $137 | $415 |
| Prothrombin time test (blood clotting) | 23 | $4 | $12 |
| Hospital follow-up visit, moderate complexity | 23 | $63 | $149 |
| Liver function blood test panel | 20 | $8 | $23 |
| Blood creatinine level | 13 | $5 | $15 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 12 | $102 | $364 |
| Thyroid stimulating hormone (TSH) test | 11 | $16 | $48 |
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 (90%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
3.4 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. Gretz is a clinical cardiology specialist, with above-average Medicare volume (top 27% in FL), 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
Is Dr. Gretz experienced with office visit, established patient (30-39 min)?
Does Dr. Gretz receive payments from pharmaceutical companies?
How do Dr. Gretz's costs compare to other gastroenterologys in Bradenton?
What does Data Coverage mean?
Is this data up to date?
Explore related providers
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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