Dr. Nadya Hasham-Jiwa, D.O.
What this data tells you about Dr. Hasham-Jiwa
Dr. Nadya Hasham-Jiwa is a medical oncology specialist in Houston, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Hasham-Jiwa performed 34,376 Medicare services across 382 unique beneficiaries.
Between the years covered by Open Payments, Dr. Hasham-Jiwa received a total of $8,622 from 58 pharmaceutical and/or device companies across 426 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in medical oncology. 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. Hasham-Jiwa 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 |
|---|---|---|---|
| Iron infusion (Feraheme) | 19,380 | $0 | $2 |
| Darbepoetin injection (Aranesp) for anemia | 13,810 | $2 | $13 |
| Office visit, established patient (30-39 min) | 370 | $91 | $395 |
| Drug injection, under skin or into muscle | 152 | $11 | $53 |
| Injection, zoledronic acid, 1 mg | 150 | $6 | $37 |
| Administration of chemotherapy into vein, 1 hour or less | 133 | $102 | $416 |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | 113 | $23 | $91 |
| Office visit, established patient, complex (40-54 min) | 106 | $140 | $555 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 82 | $50 | $205 |
| Office visit, established patient (20-29 min) | 57 | $64 | $283 |
| New patient office visit, complex (60-74 min) | 23 | $176 | $687 |
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 (90%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
4.7 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. Hasham-Jiwa is a mixed practice specialist, with above-average Medicare volume (top 26% in TX), with low-engagement industry engagement, with 19 years of NPI registration.
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. Hasham-Jiwa experienced with iron infusion (feraheme)?
Does Dr. Hasham-Jiwa receive payments from pharmaceutical companies?
How do Dr. Hasham-Jiwa's costs compare to other medical oncologists in Houston?
What does Data Coverage mean?
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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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