Psychiatrist

Sean James O'sullivan, MD, PHD

1601 Trinity St, Austin, Texas, 78712-1765

About Sean James O'sullivan

Sean James O'sullivan is a psychiatrist based in Austin, Texas who is specialized in Psychiatry. Active license number of Sean James O'sullivan is W4561 for Psychiatry in Texas. His current practice location is 1601 Trinity St, Austin. Patients can contact him at 833-882-2737. Sean James O'sullivan, MD, PHD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1609514702.

Sean James O'sullivan 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 laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Sean James O'sullivan's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Sean James O'sullivan
Specialization Psychiatry
Credentials MD, PHD
Gender Male
Practice Address: 1601 Trinity St,
Austin, TX - 78712-1765

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1609514702
NPI Enumeration Date: 26 May, 2022
NPI Last Update On: 30 Jun, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Sean James O'sullivan are as mentioned below.

License NumberSpecializationStateStatus
W4561Psychiatry TexasPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Sean James O'sullivan
Po Box 739960,
Dallas, TX - 75373-9960

Book an Appointment with Sean James O'sullivan

To schedule an appointment, contact Sean James O'sullivan at 1601 Trinity St, Austin, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Sean James O'sullivan:

Sean James O'sullivan is a psychiatrist specializing in Psychiatry. He 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 laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Sean James O'sullivan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Sean James O'sullivan practices at 1601 Trinity St, Austin, Texas, 78712-1765.

To schedule an appointment with Sean James O'sullivan, please contact the office at 833-882-2737.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.