Psychiatrist

John B Rust, M.D.

120 Bert Brown St, San Marcos, Texas, 78666-5803

About John B Rust

John B Rust is a psychiatrist based in San Marcos, Texas who is specialized in Psychiatry. Active license number of John B Rust is E1106 for Psychiatry in Texas. His current practice location is 120 Bert Brown St, San Marcos. Patients can contact him at 512-396-8500 or can fax him at 512-754-3882. John B Rust, M.D., specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1518011444.

John B Rust 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 B Rust'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 B Rust
Specialization Psychiatry
Credentials M.D.
Gender Male
Practice Address: 120 Bert Brown St,
San Marcos, TX - 78666-5803
Fax 512-754-3882

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 Number1518011444
NPI Enumeration Date: 22 Jan, 2007
NPI Last Update On: 08 Jul, 2007

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 B Rust are as mentioned below.

License NumberSpecializationStateStatus
E1106Psychiatry 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 B Rust
1010 Burleson St,
San Marcos, TX - 78666-4232

Book an Appointment with John B Rust

To schedule an appointment, contact John B Rust at 120 Bert Brown St, San Marcos, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John B Rust:

John B Rust 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 B Rust 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 B Rust practices at 120 Bert Brown St, San Marcos, Texas, 78666-5803.

To schedule an appointment with John B Rust, please contact the office at 512-396-8500.

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