Sean Maximillian Taasan

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

T8661 Issued in TX

Practice address

6202 Harry Hines Blvd
Dallas, TX 75390-0001

Phone

(214) 645-3999

NPI assigned

Mar 29, 2019

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hematology/Oncology

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University of Texas Southwestern Medical Center at DallasGroup PAC ID 0648188250, 3,156 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ut of Texas Southwestern University Hospital - William P. Clements Jr. Hospital, Dallas, TX, CCN 450044

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• University of Texas Southwestern Medical Center at Dallas

  • Anesthesiology Physician
  • Dallas, TX
  • NPI 1942270566
  Medicare reassignment Care Compare group NPD
• The University of Texas Southwestern Medical Center at Dallas

  • Clinical Medical Laboratory
  • Dallas, TX
  • NPI 1396832713
  NPD
• University of Texas Southwestern Medical Center at Dallas

  • Diagnostic Radiology Physician
  • Dallas, TX
  • NPI 1972579365
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• University of Texas Southwestern Medical Center at Dallas

  • General Acute Care Hospital
  • Dallas, TX
  • NPI 1285798918
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1553817600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1225599335",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 845347",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752847208"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6202 HARRY HINES BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753900001",
            "telephone_number": "214-645-3999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAASAN",
        "first_name": "SEAN",
        "middle_name": "MAXIMILLIAN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-29",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "TX",
            "license": "T8661",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• T&L Medical Supply Incorporated
• T2 Laboratories, LLC
• T2 Orthopedics Distribution LLC
• Long Cuu Cong Ta, CRNA
• Stevens T Ta, D.D.S.
• Mohammad Taba
• Benjamin David Tabaria, CRNA
• Subhan Tabba, MD, MBA
• Sami Tabbara, CAA
• Kelly Nichole Tabbert, CRNA

• Hematology & Oncology Physician in Dallas, TX
• Providers in Dallas, TX by specialty
• Hematology & Oncology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.