Dr. Akira Nishikawa, M.D.
What this data tells you about Dr. Nishikawa
Dr. Akira Nishikawa is an interventional cardiology in Houston, TX, with 19 years in practice. Based on federal Medicare data, Dr. Nishikawa performed 3,451 Medicare services across 2,007 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nishikawa received a total of $114,465 from 36 pharmaceutical and/or device companies across 376 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in interventional cardiology. 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. Nishikawa 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) | 617 | $94 | $145 |
| Electrocardiogram (EKG), 12-lead | 611 | $11 | $125 |
| Regadenoson injection (Lexiscan) for heart stress test | 576 | $44 | $118 |
| Echocardiogram, transthoracic | 289 | $135 | $1,404 |
| Hospital follow-up visit, moderate complexity | 207 | $64 | $150 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician | 184 | $53 | $575 |
| Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | 121 | $615 | $1,967 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress | 100 | $1,060 | $3,250 |
| Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days | 89 | $200 | $668 |
| Chronic care management, first 20 min/month | 87 | $49 | $120 |
| Chronic care management, additional 20 min/month | 63 | $38 | $118 |
| Technetium tc-99m tetrofosmin, diagnostic, per study dose | 63 | $70 | $500 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 62 | $345 | $2,115 |
| Office visit, established patient, complex (40-54 min) | 62 | $142 | $215 |
| Initial hospital admission, high complexity | 60 | $140 | $300 |
| Remote pacemaker monitoring, 90 days | 49 | $23 | $94 |
| Ultrasound of leg arteries or artery grafts | 35 | $187 | $800 |
| Ultrasound of both sides of head and neck blood flow | 32 | $145 | $658 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 32 | $10 | $40 |
| New patient office visit, complex (60-74 min) | 31 | $136 | $476 |
| Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan | 19 | $1,937 | $5,913 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 18 | $139 | $503 |
| Ultrasound study of arm and leg arteries | 17 | $59 | $380 |
| Hospital discharge day management, 30 minutes or less | 16 | $65 | $85 |
| Cardiac catheterization | 11 | $214 | $1,500 |
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 (84%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers. Total industry engagement is in the top 6% for interventional cardiology in TX.
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. Nishikawa is a cardiac & electrophysiology specialist, with above-average Medicare volume (top 30% in TX), and high industry engagement (consulting-driven, top 6%), 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. Nishikawa experienced with office visit, established patient (30-39 min)?
Does Dr. Nishikawa receive payments from pharmaceutical companies?
How do Dr. Nishikawa's costs compare to other interventional cardiologys in Houston?
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.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology