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Welcome to Our Practice

At GT Healthcare, we recognize that you have a choice when it comes to your healthcare provider. This website contains information about our doctors, locations, hours, emergency practices and more. The more you know, the more comfortable we hope you will be.

We believe our website is the best way for you to stay connected to our practice and get the highest quality of care possible. We also provide 24/7 access to an array of information on many common healthcare topics.

On behalf of all our professionals and staff, we welcome you to our practice, and look forward to helping you preserve a lifetime of good health.

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Featured Services

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About GT Healthcare

GT Healthcare, with an office in Laguna Beach, California, services all of California, including San Francisco, San Diego, San Bernardino, Los Angeles, Sacramento, and more. We provide high-quality care to all ages. Founder Gabrielle Thompson, FNP-C, is a board-certified nurse practitioner with extensive experience in mental health and family medicine. 

GT Healthcare specializes in mental health disorders such as depression, anxiety, attention-deficit/hyperactivity disorder (ADHD), and post-traumatic stress disorder (PTSD) and many more. The compassionate team members understand how difficult life can be and how valuable therapy services are for patients.

GT Healthcare has powerful tools available to target specific symptoms and concerns, including therapists specializing in eye movement desensitization and reprocessing (EMDR) therapy. The cognitive enhancement therapy (CET) program is another effective option for accelerated results only available at GT Healthcare.

GT Healthcare is a data- and results-driven practice. Its compassionate providers and psychiatrists take the time to perform psychological testing and get to know their patients properly to ensure accurate diagnosis and treatment. 

Services are available via secure telehealth. The practice’s innovative new service, Quick Care, provides online access to sexual health care, including sexually transmitted disease (STD) testing, birth control, and erectile dysfunction treatment.

In addition to their proficiency in mental health, GT Healthcare also provides primary care services such as routine checkups, annual physicals, and basic urgent care needs. They also offer screening for chronic diseases and illnesses. The GT Healthcare team also offers expert children’s and adolescent health care.

Everyone at GT Healthcare takes great pride in helping their patients overcome personal struggles to live full, healthy lives. To benefit from their exceptional care, text the office or book an appointment online today.

Mission statement

Our mission is to provide access to quality healthcare in treating a variety of conditions for our patients. Our highly trained team is proud to serve our community and help our patients feel better quicker. GT Healthcare is dedicated to providing result driven treatment that is easy and stress free. Whether you require Psychiatry, therapy, or medical services we are your one-stop-shop to meet your individual and family needs.

Meet Our Staff

Learn Who We Are

  • Gabrielle Thompson, FNP-C

    Gabrielle Thompson, FNP-C, is a certified family nurse practitioner at GT Healthcare in Laguna Beach, California. At the practice, she provides patients of all ages with compassionate and result driven care.

    Gabrielle completed her undergraduate degree at the University of Pittsburgh in Pennsylvania. She then completed her master’s degree in Nursing at Simmons University in Boston, Massachusetts.

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  • Corinne Hardsity, LMFT

    Corinne Hardisty is a highly experienced and compassionate Marriage and Family Therapist, with over a decade of dedication to helping individuals and families navigate the challenges of severe and chronic mental illness. Her extensive experience within Los Angeles County division and reentry programs has equipped her with a unique understanding and skill set to assist her clients.

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  • Macayla Meyers, AMFT

    Macayla Meyers is an experienced therapist who specializes in working with individuals, couples, and families dealing with various mental health conditions, including anxiety, depression, bipolar disorder, gender dysphoria, substance use disorders, and schizophrenia. Macayla is passionate about helping families rebuild strained relationships and improve communication. She uses a person-centered approach to therapy, which recognizes that each client has unique needs and requires tailored care. By providing a safe and supportive space, Macayla creates a trusting therapeutic relationship that enables clients to feel heard, understood, and validated.

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  • Marissa Pereida, AMFT

    Marissa Pereida is an Associate Marriage and Family Therapist from Northern California. She received her Bachelor’s degree in Psychology from the University of San Francisco and her Master’s in Counseling Psychology from the Dominican University of California.

    Marissa enjoys traveling internationally and participating in medical missions to provide medical care in places that include Kenya and Cambodia. Traveling internationally has increased her desire to serve and guide people through the challenges and adversities they face.

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  • Irina Sherbak, RD, RDN

    Irina is a Registered Dietitian with over five years of experience in the clinical, community, and eating disorders fields. She is passionate about helping individuals build healthy relationships with food, cultivate body positivity, and embrace intuitive eating practices. Irina earned her Bachelor’s degree from Tel Aviv University and further advanced her knowledge through a comprehensive dietetic internship program at Utah State University focusing on evidence-based practices and a deep understanding of the complex interplay between nutrition, psychology, and mental well-being.

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  • Laurie Castleberry, APCC

    Laurie Castleberry, APCC, is an Associate Therapist, veteran, and parent with a desire to serve others. From her time in service to her career in mental health, she always strives to provide top-notch service. Laurie received her Bachelor of Psychology along with a Clinical Mental Health Certificate from the University of Maryland University. She went on to obtain her Master’s in Clinical Mental Health Counseling.

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Testimonials

What Our Clients Say About Us

  • "Dr. Thompson is knowledgeable and has a fantastic bedside manner."
    K. G.
  • "Gabrielle is extremely educated in the mental health arena. She is always on time for appointments, responsive to follow ups, and truly wants the best for her patients."
    J. E.
  • "I felt heard & understood by the doctor. The staff was very helpful."
    A. G.
  • "Dr. Thompson has been an angel since the start! She’s attentive and cares. I am so happy I found her."
    B. P.
  • "Personable and thorough!"
    M. G.
  • "Gabrielle is caring and thoughtful with her approach to care. She makes you feel heard when it comes to your symptoms."
    Y. O.

Featured Articles

Read about helpful topics

  • Chronic Diseases

    According to the Center of Disease Control, chronic diseases cause 7 out of 10 deaths each year and are responsible for 86 percent of America’s healthcare costs. Some of the most common chronic diseases include: Heart disease Stroke Cancer Diabetes Obesity Arthritis Other types of chronic conditions ...

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  • Women's Health

    Women's health is a field covering the numerous health concerns that women face, from reproductive and sexual health to mammograms. Women are more likely to develop chronic health issues such as migraines, arthritis, or depression. From teen girls to adult women, your family physician is here to provide ...

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  • What is Family Medicine?

    Your family means everything to you, and you want to ensure your loved ones live long and productive lives. The purpose of family medicine is to focus on creating long-term relationships with patients and their families, while also providing quality, compassionate care for a full range of issues. This ...

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  • Preventive Care

    We know your family's health is of the utmost importance in your life. Whether you are a first-time parent or have teenagers, it's important that everyone in your family is given the proper medical care they need. That doesn’t just mean visiting when someone is sick - that also means regular "wellness ...

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  • Mental Health

    Mental health disorders are common and can affect anyone, no matter their age. It’s believed that as many as 54 million Americans suffer from a mental disorder every year. It can be difficult for families to accept that a loved one has a mental illness. If you or someone you know is currently experiencing ...

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  • Acute Disease

    At some point in our lives we will all experience a health problem, whether it's the common cold or the pesky flu. While some will go away on their own, there are health issues that require urgent medical attention, and it's important to know when to seek proper treatment. What Is An Acute Disease? An ...

    Read More

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Our Location

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Hours of Operation

Our Regular Schedule

Hours Of Operation:

Monday:

9:00 am-6:00 pm

Tuesday:

9:00 am-6:00 pm

Wednesday:

9:00 am-6:00 pm

Thursday:

9:00 am-6:00 pm

Friday:

9:00 am-6:00 pm

Saturday:

9:00 am-6:00 pm

Sunday:

Closed