Psychologist | Clinical Psychology

Brianna Byllesby, PHD

414 E Clark St, Vermillion, South Dakota, 57069-2307

About Brianna Byllesby

Brianna Byllesby is a psychologist based in Vermillion, South Dakota who is specialized in Clinical Psychology. Active license number of Brianna Byllesby is 648 for Clinical Psychology in South Dakota. Her current practice location is 414 E Clark St, Vermillion. Patients can contact her at 605-658-3723. Brianna Byllesby, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1235816745.

Brianna Byllesby is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Brianna Byllesby'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 Brianna Byllesby
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 414 E Clark St,
Vermillion, SD - 57069-2307

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 Number1235816745
NPI Enumeration Date: 28 Jun, 2023
NPI Last Update On: 28 Jun, 2023

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 Brianna Byllesby are as mentioned below.

License NumberSpecializationStateStatus
648Clinical Psychology South DakotaPrimary

Mailing Address

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

Brianna Byllesby
414 E Clark St,
Vermillion, SD - 57069-2307

Book an Appointment with Brianna Byllesby

To schedule an appointment, contact Brianna Byllesby at 414 E Clark St, Vermillion, South Dakota or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Brianna Byllesby:

Brianna Byllesby is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Brianna Byllesby 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.

Brianna Byllesby practices at 414 E Clark St, Vermillion, South Dakota, 57069-2307.

To schedule an appointment with Brianna Byllesby, please contact the office at 605-658-3723.

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