Dr. William Osai
What this data tells you about Dr. Osai
Dr. William Osai is a nurse practitioner - family in Houston, TX, with 19 years in practice. Based on federal Medicare data, Dr. Osai performed 1,227 Medicare services across 685 unique beneficiaries.
Between the years covered by Open Payments, Dr. Osai received a total of $417 from 4 pharmaceutical and/or device companies across 6 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in nurse practitioner - family. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Osai 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 |
|---|---|---|---|
| Nursing facility visit, low complexity | 380 | $50 | $99 |
| Office visit, established patient (20-29 min) | 288 | $38 | $171 |
| Home visit, established patient, moderate complexity | 201 | $81 | $160 |
| Nursing facility visit, moderate complexity | 101 | $69 | $219 |
| Office visit, established patient (30-39 min) | 99 | $56 | $264 |
| Telephone medical discussion with physician, 21-30 minutes | 69 | $62 | $265 |
| New patient office visit (45-59 min) | 43 | $70 | $443 |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 19 | $100 | $315 |
| Telephone medical discussion with physician, 11-20 minutes | 14 | $45 | $173 |
| Office visit, established patient, complex (40-54 min) | 13 | $84 | $528 |
Industry Payment Transparency
Open Payments through 2023 ↗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 (2023)
Associated products mentioned in payments ›
The majority of payments (75%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in nurse practitioner - family and does not inherently indicate bias, but patients may wish to be aware.
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 2023 |
| 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. Osai is a clinical cardiology specialist, with above-average Medicare volume (top 12% in TX), and speaking/promotional industry engagement, 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
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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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