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    • Home
    • Providers
    • Services
      • Medication Management
      • Psychotherapy
    • TMS Therapy
      • About TMS Therapy
      • TMS Therapy Waitlist
    • Patient Payments
  • Home
  • Providers
  • Services
    • Medication Management
    • Psychotherapy
  • TMS Therapy
    • About TMS Therapy
    • TMS Therapy Waitlist
  • Patient Payments

We are accepting new patients for all services offered. Please contact us for additional details.

We are accepting new patients for all services offered. Please contact us for additional details.

We are accepting new patients for all services offered. Please contact us for additional details.

We are accepting new patients for all services offered. Please contact us for additional details.

We are accepting new patients for all services offered. Please contact us for additional details.

We are accepting new patients for all services offered. Please contact us for additional details.

Welcome

Our practice provides compassionate and evidence-based therapy for individuals seeking to improve their mental health. We specialize in anxiety, depression and other mood disorders.


Our offices are located in Diamond Bar and Chino Hills.


Contact us today to schedule an appointment at one of our two locations!

About Mentality Behavioral Health Center

Dedicated to Excellence

Expert Team of Professionals

Expert Team of Professionals

Mentality BHC (Behavioral Health Center) is a distinguished outpatient psychiatry clinic dedicated to delivering exceptional outpatient mental health services. 


Established in 2023, Mentality BHC builds upon expertise of founder and board certified psychiatrist, Dr. Wethey.

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Expert Team of Professionals

Expert Team of Professionals

Expert Team of Professionals

At Mentality BHC, our esteemed team comprises a select group of professionals committed to providing comprehensive care to individuals seeking support for their mental health concerns. 


Our multidisciplinary team includes board certified psychiatrist, psychologists, and psychiatric nurse practitioners. 

Meet Our Team

Accepted Insurance and Payments

Accepted Insurance and Payments

Accepted Insurance and Payments

We accept major insurance policies and offer self-pay options to accommodate varying needs and preferences. 

Learn More

Services Provided

Accepted Insurance and Payments

Accepted Insurance and Payments

Mentality BHC offers in person and virtual appointments for psychiatric medication management, as well as, individual psychotherapy. 


Mentality BHC is currently accepting new patients, and we look forward to welcoming you into our care.

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Areas of Expertise

Depressive Disorders

Anxiety Disorders

Bipolar Disorders

ADHD

Schizophrenia

Eating Disorders

Autism Spectrum Disorders

Borderline Personality Disorder

LGBTQ+ Tailored Care

... many Others

Accepted Insurance and Payments

We accept major insurance policies and offer self-pay options to accommodate varying needs and preferences.

Please call us and we can verify your insurance coverage. 

Contact Us

Diamond Bar Clinic & Admin Offices

Providers at this location: 

  • Dr. Wethey
  • Nancy Rehfeld, MHNP
  • Shana Garcia, PsyD
  • Gerald Goco, MHNP
  • Paul Arredondo, MHNP


Services at this location: 

  • Medication Management
  • Psychotherapy or Talk Therapy
  • Telehealth appointments available

Mentality Behavioral Health Center

750 Diamond Bar Boulevard - Suite 212, Diamond Bar, California 91765, United States

909-460-8733

Hours

Open today

09:00 am – 05:00 pm

For non-urgent questions and inquiries, message us here.

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Chino HIlls Location

Providers at this location:

  • Dr. Wethey
  • Gerald Goco, MHNP
  • Paul Arredondo, MHNP
  • Catherine Veliz, LMFT


Services at this location:

  • TMS Therapy
  • Psychotherapy or Talk Therapy
  • Medication Management
  • Telehealth appointments available

Mentality Behavioral Health Center

5871 Pine Ave - Suite 220, Chino HIlls, CA

909-460-8733

For non-urgent questions and inquiries, message us here.

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Mentality BHC

750 North Diamond Bar Boulevard, Suite 212, Diamond Bar, CA, USA

909-460-8733

Copyright © 2026 Mentality Behavioral Health Center - All Rights Reserved.

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TMS Therapy Coming Soon

We're excited to be expanding our services to include Transcranial Magnetic Stimulation (TMS). 


Availability and eligibility will be determined through clinical assessment. 


Contact us to learn more. 

Click to learn more about TMS