Meet the Team
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Edgar Castillo-Armas, MD
PSYCHIATRIST
MEDICAL DIRECTOR
I first became interested in Transcranial Magnetic Stimulation (TMS) as a treatment for severe depression in 2010. I was drawn to TMS because it is a non-invasive and non-systemic procedure, offering a safe and effective alternative to traditional medications. Over the years, I have witnessed how stimulation of the left dorsolateral prefrontal cortex can enhance brain synaptic plasticity and lead to remarkable improvements in patients’ symptoms. Having treated hundreds of individuals with treatment-resistant depression, I take great pride in seeing sustained improvements in both mood and daily functioning through TMS therapy.
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Hailey Nelson, BS
OFFICE SUPERVISOR
NUTRITION SPECIALIST
While working in the nutrition field, I developed a strong interest in the gut microbiome and its connection to mental health. As my career evolved from a hospital setting to a clinical office environment, I discovered my niche. For the past three years, I’ve had the privilege of working with Dr. Castillo-Armas, studying the relationship between diet and mental health while also serving in an administrative role. I take great pride in helping patients better understand nutrition and ensuring they receive the highest quality care during their treatment at our clinic.
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Michelle Mott
BILLING SPECIALIST
I’ve been part of Central California TMS Center since it opened in 2010. Early in my career, I trained through NeuroStar University and later became skilled in administering TMS with MagVenture Theta Burst and MagPro’s 3-minute “TMS Express Therapy.” My years as a TMS Coordinator gave me a deep appreciation for how quickly TMS can change lives—it’s truly amazing to see someone recover in just weeks. Today, I serve as the center’s Financial Specialist, coordinating the billing and maintenance of patient accounts as well as addressing our patient's billing questions and issues.
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Harleen Kaur, BS
TMS COORDINATOR
As a TMS Coordinator, I look forward to creating a positive space of hope and healing for our patients. I currently hold a degree in Biology with minors in Psychology and Physical Science. I am particularly passionate about optimizing the overall health and mental well-being of patients at the intersection of diet, sleep, and exercise. I hope to help patients improve their perspective and outlook on life while providing them with high quality, compassionate care at our clinic. I hope to reduce stigma surrounding seeking mental health support and improve accessibility to services in the Central Valley region. I aspire to become a physician in the near future to continue providing holistic, comprehensive care to patients.
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Eren Hernandez
TMS COORDINATOR
As a dedicated Jiu-Jitsu practitioner, I’ve learned that obstacles are an unavoidable part of life—and that overcoming them often comes down to perspective and the way we choose to approach each challenge. In my role as a TMS Coordinator, I’ve witnessed this same principle come to life through TMS treatment. Watching patients reset their brains, shift their outlook, and regain a sense of possibility has been profoundly rewarding. Supporting individuals through this process and seeing their resilience grow is what inspires me every day in this work.