Individual provider · Type 1 NPI

Sean James O'Sullivan, MD, PhD

Psychiatry Physician · Austin, TX

NPI number 1609514702 Active

Practice location

1601 Trinity St
Austin, TX 78712-1765

Call (833) 882-2737 Map

Mailing address

PO Box 739960
Dallas, TX 75373-9960

Specialties and licenses

TaxonomyCodeLicense
Psychiatry Physician Primary 2084P0800XW4561 (TX)

Psychiatry Physician: A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic la…

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About NPI 1609514702

Sean James O'Sullivan, MD, PhD's National Provider Identifier is 1609514702, issued on May 26, 2022. The primary taxonomy on file is Psychiatry Physician (2084P0800X), and the practice location is in Austin, TX. The record was last updated on Jun 30, 2026.