Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Sean Maximillian Taasan

Individual provider Hematology & Oncology Physician · NPI 1225599335

Sean Maximillian Taasan is a Hematology/Oncology in Dallas, Texas. Qualified in 2019, 7 years ago. Practices with University of Texas Southwestern Medical Center at Dallas, a 3,149-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
7
Licensed in
TX
In the registry since
2019
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Practice location Address checks out

6202 Harry Hines Blvd
Dallas, TX 75390-0001
Phone: (214) 645-3999
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence T8661 (TX)

Record details

NPI number1225599335
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 29, 2019
Last updated in NPPESSeptember 15, 2025
Certification dateSeptember 15, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice University Of Texas Southwestern Medical Center At Dallas — 3149 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Dallas