Psychiatrist

John J Byun, MD

1515 Heritage Dr, Mckinney, Texas, 75069-3256

About John J Byun

John J Byun is a psychiatrist based in Mckinney, Texas who is specialized in Psychiatry. Active license number of John J Byun is T4716 for Psychiatry in Texas. His current practice location is 1515 Heritage Dr, Mckinney. Patients can contact him at 972-562-0190. John J Byun, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1932763620.

John J Byun 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

John J Byun'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 John J Byun
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 1515 Heritage Dr,
Mckinney, TX - 75069-3256

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 Number1932763620
NPI Enumeration Date: 28 Apr, 2019
NPI Last Update On: 10 Mar, 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 John J Byun are as mentioned below.

License NumberSpecializationStateStatus
T4716Psychiatry TexasPrimary

Mailing Address

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

John J Byun
6800 Park Ten Blvd Ste 200s,
San Antonio, TX - 78213-4293
Phone: 210-261-1060
Fax: 210-261-1821

Book an Appointment with John J Byun

To schedule an appointment, contact John J Byun at 1515 Heritage Dr, Mckinney, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John J Byun:

John J Byun 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, John J Byun 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.

John J Byun practices at 1515 Heritage Dr, Mckinney, Texas, 75069-3256.

To schedule an appointment with John J Byun, please contact the office at 972-562-0190.

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