Sean Maximillian Taasan
NPI 1225599335ActiveIndividual· Internal Medicine, Hematology & Oncology· Dallas, TX
Internal Medicine, Hematology & Oncology with University of Texas Southwestern Medical Center at Dallas, practicing in Dallas, Texas. Part D covered 104 prescriptions written in 2024, 73% of them generic. Secura Bio, Inc. reported $153.41 in payments in 2025, mostly food and beverage. Lists Ut of Texas Southwestern University Hospital - William P. Clements Jr. as a hospital affiliation.
Overview
| NPI | 1225599335 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 29, 2019 |
| Last updated in NPPES | Sep 15, 2025 |
| Certified by provider | Sep 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | T8661 | 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 - Hematology/Oncology (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 104 · 121 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $215,559 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- University of Texas Southwestern Medical Center at DallasDallas, TX · 3,187 clinicians
Hospital affiliation
Industry payments (Open Payments)
- 2025$153.41 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Secura Bio, Inc. | $153.41 | 1 |
What the 2025 payments were for
- Food and Beverage$153.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in Dallas
- 1003256553
- 1023077153
- 1023437290
- 1033178165
- 1053354464
- 1073900791
- 1083046007
- 1104239409
- 1124629605
- 1134613532
- 1144263633
- 1144842113
All 146 hematologist-oncologists in Dallas · All hematologist-oncologists in Texas