Dr. Ren Zhang, M.D.
What this data tells you about Dr. Zhang
Dr. Ren Zhang is a cardiovascular disease in Abilene, TX, with 20 years in practice. Based on federal Medicare data, Dr. Zhang performed 9,006 Medicare services across 5,200 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zhang received a total of $13,871 from 32 pharmaceutical and/or device companies across 448 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cardiovascular disease. 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. Zhang 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 |
|---|---|---|---|
| Anticoagulant management of patient taking warfarin | 1,820 | $7 | $34 |
| Prothrombin time test (blood clotting) | 1,711 | $4 | $22 |
| Echocardiogram, transthoracic | 933 | $52 | $334 |
| Office visit, established patient (30-39 min) | 439 | $76 | $365 |
| Ct scan of blood vessels and grafts of heart with contrast | 332 | $86 | $330 |
| Hospital follow-up visit, high complexity | 267 | $90 | $341 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 260 | $10 | $41 |
| Electrocardiogram (EKG), 12-lead | 259 | $9 | $43 |
| Hospital follow-up visit, moderate complexity | 252 | $60 | $227 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 246 | $57 | $221 |
| Ultrasound of heart with probe in esophagus, with report | 221 | $80 | $507 |
| Ultrasound of heart blood flow, valves and chambers | 218 | $14 | $98 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | 218 | $2 | $38 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 183 | $16 | $61 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 175 | $9 | $143 |
| Ultrasound of heart, follow-up | 168 | $19 | $173 |
| Ultrasound of heart with probe in esophagus during surgery on heart or great blood vessels with report | 166 | $169 | $637 |
| Ultrasound of both sides of head and neck blood flow | 138 | $28 | $263 |
| Remote pacemaker monitoring, 90 days | 128 | $22 | $86 |
| Initial hospital admission, high complexity | 107 | $130 | $500 |
| Analysis of data from ct study of heart blood vessels to assess severity of heart artery disease, anatomical data review | 86 | $53 | $103 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 70 | $18 | $68 |
| Office visit, established patient (20-29 min) | 63 | $52 | $257 |
| Evaluation of single, dual, multiple lead or leadless pacemaker system | 61 | $15 | $99 |
| 3d radiographic procedure with computerized image postprocessing | 57 | $29 | $111 |
| Ultrasound of leg arteries or artery grafts | 50 | $29 | $383 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 37 | $16 | $106 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days | 36 | $27 | $108 |
| Office visit, established patient, complex (40-54 min) | 35 | $122 | $509 |
| Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 34 | $17 | $66 |
| EKG interpretation and report | 33 | $5 | $24 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 28 | $25 | $268 |
| New patient office visit (45-59 min) | 28 | $94 | $491 |
| Ct scan of heart with evaluation of blood vessel calcium | 27 | $21 | $81 |
| Programming of dual lead pacemaker system | 22 | $25 | $176 |
| Evaluation of single, dual, or multiple lead implantable defibrillator system | 21 | $27 | $105 |
| Hospital discharge day management, 30 minutes or less | 20 | $62 | $231 |
| Ct scan of heart structure with contrast | 18 | $64 | $238 |
| External shock to heart to regulate heart beat | 13 | $82 | $425 |
| Electrocardiogram (ecg) 2-day continuous with review by health care professional | 13 | $14 | $53 |
| Ultrasound of one leg arteries or artery grafts | 13 | $16 | $65 |
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 (89%) 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. Zhang is a cardiac & cardiac specialist, with above-average Medicare volume (top 4% in TX), 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. Zhang experienced with anticoagulant management of patient taking warfarin?
Does Dr. Zhang receive payments from pharmaceutical companies?
How do Dr. Zhang's costs compare to other cardiovascular diseases in Abilene?
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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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