Elise F. Nassif Haddad, MD
NPI 1205564044ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX
Internal Medicine, Medical Oncology (MD) with Physicians Referral Service, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $257,162 for 134 claims, against $29,790 paid for services in 2024. Springworks Therapeutics, Inc. reported $9,990 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1205564044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 10, 2022 |
| Last updated in NPPES | Jan 29, 2024 |
| Certified by provider | Jan 29, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 48176 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 276 across 14 procedure codes |
| Paid by Medicare | $29,790 |
Part D prescriptions in 2024
| Prescriptions (claims) | 134 · 146 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $257,162 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$9,990 · 5 payments from 1 company
- 2024$324.78 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Springworks Therapeutics, Inc. | $9,990 | 5 |
What the 2025 payments were for
- Consulting Fee$9,550 · 3 payments
- Travel and Lodging$319.79 · 1 payment
- Food and Beverage$120.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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