Dr. Gregg Silverman, M.D.
What this data tells you about Dr. Silverman
Dr. Gregg Silverman is a nuclear cardiology physician in Corpus Christi, TX, with 20 years in practice. Based on federal Medicare data, Dr. Silverman performed 4,351 Medicare services across 2,878 unique beneficiaries.
Between the years covered by Open Payments, Dr. Silverman received a total of $4,599 from 27 pharmaceutical and/or device companies across 194 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in nuclear cardiology physician. 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. Silverman 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 |
|---|---|---|---|
| Electrocardiogram (EKG), 12-lead | 1,173 | $10 | $65 |
| Office visit, established patient (30-39 min) | 1,054 | $86 | $154 |
| Echocardiogram, transthoracic | 234 | $141 | $813 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 225 | $145 | $627 |
| Regadenoson injection (Lexiscan) for heart stress test | 224 | $43 | $65 |
| Hospital follow-up visit, moderate complexity | 161 | $61 | $197 |
| Ultrasound of both sides of head and neck blood flow | 158 | $141 | $554 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 123 | $48 | $403 |
| New patient office visit (45-59 min) | 101 | $109 | $242 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 96 | $170 | $288 |
| Telephone medical discussion with physician, 5-10 minutes | 93 | $33 | $161 |
| Office visit, established patient (20-29 min) | 91 | $65 | $115 |
| Prothrombin time test (blood clotting) | 74 | $4 | $16 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 67 | $10 | $147 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 64 | $17 | $57 |
| Remote pacemaker monitoring, 90 days | 47 | $23 | $69 |
| Heart rhythm recording of continous external ekg over 8-15 days | 46 | $8 | $45 |
| Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days | 41 | $20 | $75 |
| Heart rhythm review and interpretation of continous external ekg over 8-15 days | 38 | $20 | $80 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | 28 | $69 | $266 |
| Nuclear medicine study of heart muscle blood flow by pet | 28 | $23 | $90 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 28 | $11 | $138 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | 24 | $44 | $103 |
| Cardiac catheterization | 24 | $209 | $2,211 |
| EKG interpretation and report | 22 | $6 | $44 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 19 | $29 | $132 |
| Ultrasound of leg arteries or artery grafts | 19 | $181 | $385 |
| Programming of dual lead pacemaker system | 13 | $62 | $190 |
| Insertion of pacemaker and upper and lower heart chamber electrode | 12 | $397 | $2,490 |
| Removal and replacement of dual lead permanent pacemaker | 12 | $272 | $1,943 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 12 | $2 | $87 |
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 (98%) 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. Silverman is a electrophysiology & cardiac specialist, with moderate Medicare volume, and low-engagement industry engagement, 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
Is Dr. Silverman experienced with electrocardiogram (ekg), 12-lead?
Does Dr. Silverman receive payments from pharmaceutical companies?
How do Dr. Silverman's costs compare to other nuclear cardiology physicians in Corpus Christi?
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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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