Dr. Yan Liu, M.D., PH.D.
What this data tells you about Dr. Liu
Dr. Yan Liu is a cardiovascular disease in Austin, TX, with 15 years in practice. Based on federal Medicare data, Dr. Liu performed 2,759 Medicare services across 2,068 unique beneficiaries.
Between the years covered by Open Payments, Dr. Liu received a total of $9,395 from 23 pharmaceutical and/or device companies across 150 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. 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. Liu 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 | 580 | $11 | $52 |
| Office visit, established patient (30-39 min) | 535 | $93 | $328 |
| Echocardiogram, transthoracic | 285 | $145 | $641 |
| Regadenoson injection (Lexiscan) for heart stress test | 172 | $45 | $160 |
| Heart muscle strain imaging | 140 | $29 | $122 |
| Hospital follow-up visit, high complexity | 118 | $89 | $317 |
| Ultrasound of both sides of head and neck blood flow | 100 | $144 | $622 |
| New patient office visit (45-59 min) | 82 | $121 | $501 |
| Office visit, established patient, complex (40-54 min) | 80 | $136 | $442 |
| Technetium tc-99m sestamibi, diagnostic, per study dose | 67 | $51 | $437 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 65 | $357 | $1,522 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 64 | $50 | $220 |
| Initial hospital admission, high complexity | 48 | $136 | $616 |
| Office visit, established patient (20-29 min) | 46 | $60 | $223 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 43 | $10 | $45 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 38 | $14 | $68 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 35 | $137 | $595 |
| Critical care, first 30-74 min | 29 | $167 | $673 |
| Injection, perflutren lipid microspheres, per ml | 29 | $35 | $155 |
| Complete ultrasound study of arm and leg arteries | 28 | $84 | $417 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 24 | $133 | $576 |
| New patient office visit, complex (60-74 min) | 22 | $144 | $629 |
| Ultrasound of leg arteries or artery grafts | 19 | $181 | $796 |
| Ultrasound of heart with probe in esophagus, with report | 17 | $78 | $336 |
| Hospital follow-up visit, moderate complexity | 17 | $62 | $221 |
| Ultrasound of heart blood flow, valves and chambers | 16 | $14 | $56 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 16 | $2 | $10 |
| Initial hospital admission, moderate complexity | 16 | $96 | $415 |
| Ultrasound of heart, follow-up | 14 | $20 | $79 |
| Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report | 14 | $188 | $717 |
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 (65%) 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. Liu is a cardiac & electrophysiology specialist, with moderate Medicare volume, and consulting-driven industry engagement, with 15 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. Liu experienced with electrocardiogram (ekg), 12-lead?
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How do Dr. Liu's costs compare to other cardiovascular diseases in Austin?
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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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