Dr. Thomas Gianis, M.D.
What this data tells you about Dr. Gianis
Dr. Thomas Gianis is a student in an organized health care education/training program specialist in San Antonio, TX, with 12 years of NPI registration. Based on federal Medicare data, Dr. Gianis performed 1,354 Medicare services across 1,079 unique beneficiaries.
Between the years covered by Open Payments, Dr. Gianis received a total of $21,470 from 26 pharmaceutical and/or device companies across 95 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in student in an organized health care education/training program. Payments are distributed across multiple categories and often reflect legitimate professional engagement with the medical industry. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Gianis 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 |
|---|---|---|---|
| Ultrasound study of arm and leg arteries | 302 | $52 | $170 |
| Office visit, established patient (20-29 min) | 262 | $63 | $142 |
| Ultrasound of one leg arteries or artery grafts | 126 | $93 | $270 |
| New patient office visit (45-59 min) | 81 | $119 | $320 |
| Hospital follow-up visit, moderate complexity | 74 | $61 | $144 |
| Ultrasound of both sides of head and neck blood flow | 56 | $140 | $301 |
| Office visit, established patient, complex (40-54 min) | 42 | $120 | $283 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 34 | $86 | $233 |
| Ultrasound of aorta, vena cava, groin vessels or bypass grafts | 33 | $75 | $234 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 32 | $138 | $380 |
| Ultrasound of leg arteries or artery grafts | 29 | $178 | $505 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 26 | $127 | $301 |
| Initial hospital admission, high complexity | 25 | $134 | $401 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 24 | $38 | $99 |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 24 | $8 | $20 |
| Ultrasonic guidance for blood vessel access | 20 | $30 | $61 |
| Ultrasound of hemodialysis access | 19 | $95 | $271 |
| Comprehensive metabolic blood panel | 18 | $10 | $50 |
| Prothrombin time test (blood clotting) | 18 | $4 | $50 |
| Review by radiologist of arm or leg artery image | 17 | $115 | $333 |
| Review by radiologist of abdominal aorta image | 15 | $87 | $265 |
| Blood count, hemoglobin | 15 | $2 | $50 |
| Telephone medical discussion with physician, 11-20 minutes | 15 | $52 | $85 |
| New patient office visit, complex (60-74 min) | 13 | $160 | $403 |
| Telephone medical discussion with physician, 5-10 minutes | 12 | $27 | $44 |
| Balloon dilation of artery of leg, initial vessel | 11 | $405 | $1,097 |
| Office visit, established patient (30-39 min) | 11 | $99 | $219 |
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 ›
Payments are distributed across multiple categories with no single dominant type. Total industry engagement is in the top 2% for student in an organized health care education/training program in TX.
Geographic Context
5.8 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. Gianis is a clinical cardiology specialist, with above-average Medicare volume (top 14% in TX), with mixed engagement industry engagement in the top 2% of TX peers.
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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