Welcome to MindOak Psychiatry
You’re not alone, and you don’t have to figure this out by yourself. Mind Oak Psychiatry provides compassionate psychiatric evaluations and personalized medication management for adolescents and adults, in person in McKinney and by telehealth across Texas.
80%
Rooted in Care. Growing Toward Wellness.
Specialized support for specific challenges.
At Mind Oak Psychiatry, we are dedicated to nurturing mental wellness with care and compassion. Our mission is to empower individuals across Texas, offering them the strength and resilience they need to overcome mental health challenges.
We believe that mental health care should never feel out of reach. 11Whether you are in an urban center or a remote area, our comprehensive telehealth services ensure you have access to the mental health care you deserve.
Our practice is built on three core principles:
- Personalization — No two minds are the same. Every treatment plan is tailored to your unique history, lifestyle, and goals.
- Accessibility — With in-person appointments in McKinney, TX and secure telehealth across the state, quality care meets you where you are.
- Compassion — We create a judgment-free space where healing can truly begin.
What We Help With
Psychiatric care for the conditions that disrupt your life. Whether this is your first time seeking help or you're looking for a provider who actually listens, we treat
Anxiety disorders
Racing thoughts, constant worry, panic
ADHD
Focus, follow-through, restlessness, in teens and adults
Depression
Low mood, exhaustion, loss of interest
Bipolar & Mood disorders
Mood swings that life events don’t explain
Trauma & PTSD
when the past won’t stay in the past
More conditions
Including OCD, insomnia, and co-occurring substance use
What Is Medication Management?
More than a prescription
Medication management is often misunderstood as “a quick visit for a refill.” At Mind Oak Psychiatry, it isn’t. Every visit includes:
- A review of your symptoms and progress since last visit
- Monitoring of how well your medication is working, and side effects
- Supportive therapy and CBT-informed techniques, when clinically appropriate
- Education about your condition and your options
- Practical strategies for sleep, stress, and coping
- Adjustments to your treatment plan when something isn’t working
If you would benefit from ongoing weekly psychotherapy, we’ll refer you to a licensed therapist you can trust, and continue managing your medication in coordination with them. You get both kinds of care, working together.
Why MindOak Psychiatry
What you can actually expect here
At Mind Oak Psychiatry, we prioritize compassionate, evidence-based mental health care tailored to your unique needs. We stay current with the latest research to deliver the most effective treatments available.
Accessibility is at the core of our practice. Whether you prefer the comfort of in-person sessions at our McKinney, TX office or the convenience of secure virtual visits, we are here to meet you where you are. Our telepsychiatry services ensure that distance or mobility challenges never stand in the way of receiving the care you deserve.
We understand that navigating payment options can be challenging. That's why we offer flexible solutions to accommodate various financial situations. We accept most major insurance plans, provide self-pay options, and offer a sliding scale fee structure based on income, making quality mental health care accessible to all.
We don't just treat diagnoses we treat people. Our holistic approach considers your physical health, emotional needs, lifestyle, relationships, and personal goals as part of a comprehensive care plan.
Your First Visit
What to expect
Feeling nervous before a first psychiatric appointment is normal. Here is exactly what happens:
- We talk. A comprehensive psychiatric evaluation: your symptoms, history, previous treatments, and what you want to change. You will not be rushed.
- We assess. Your medical history, current medications, and anything that could be affecting your mental health.
- We decide together. A diagnosis when appropriate, explained in plain language, and an individualized treatment plan you actually understand and agree with.
- You leave with a plan. Clear next steps, and a scheduled follow-up so nothing drifts.
Meet Your Provider
Rebecca Jaiyesimi, MSN/MHA, APRN, PMHNP-BC
Rebecca Jaiyesimi is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) and the founder of MindOak Psychiatry. A nurse since 2007, she brings over 19 years of nursing experience to her practice, including more than 8 years in behavioral and mental health and the past three years as a Psychiatric Mental Health Nurse Practitioner providing evidence-based psychiatric care to adolescents and adults throughout Texas. She provides in-person psychiatric care from her McKinney, Texas office, conveniently serving patients throughout McKinney, Frisco, Allen, Plano, Prosper, Celina, Melissa, Fairview, Anna, and the surrounding North Texas communities. She also offers secure telehealth appointments for patients across Texas.
Rebecca specializes in comprehensive psychiatric evaluations and medication management for a wide range of mental health conditions, including depression, anxiety disorders, ADHD, bipolar disorder and other mood disorders, PTSD and trauma-related conditions, insomnia and other sleep disorders, and substance use disorders. She sees patients in person at her McKinney, Texas office and through secure telehealth appointments across the state.
Rebecca believes exceptional mental health care begins with listening. Her visits are unhurried by design: each appointment combines careful medication management with supportive therapy, patient education, and practical strategies, because treatment works best when you understand it and helped choose it. Medication decisions are made with her patients, with the options and trade-offs explained in plain language, never handed down. For patients who would benefit from ongoing weekly psychotherapy, she coordinates referrals to trusted licensed therapists while continuing psychiatric medication management, so every part of your care works as one plan.
Her passion for mental health is rooted in both her professional experience and her personal understanding of life’s challenges. Guided by her Christian faith, Rebecca approaches every patient with empathy, dignity, and compassion while honoring each individual’s personal beliefs and values. She is committed to creating a safe, welcoming environment where patients feel heard, respected, and empowered.
At MindOak Psychiatry, Rebecca’s mission is simple: accessible, high-quality psychiatric care that helps people overcome challenges, build resilience, and thrive. Whether you are seeking support for anxiety, depression, ADHD, bipolar disorder, trauma, or another mental health concern, she is dedicated to helping you achieve lasting wellness through personalized, compassionate care.
Areas of Expertise
- Depression
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Anxiety Disorders
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ADHD
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Bipolar Disorder
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PTSD and Trauma-Related Disorders
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Sleep Disorders and Insomnia
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Substance Use Disorders
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Psychiatric Medication Management
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Comprehensive Psychiatric Evaluations
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Telepsychiatry Services Across Texas
Frequently
Asked Questions
Questions we often asked
Q1: What mental health conditions does Mind Oak Psychiatry treat?
We specialize in comprehensive psychiatric care for ADHD, anxiety disorders, depression and bipolar disorders, psychotic disorders, alcohol use disorder, and other substance use disorders. Our goal is to provide thoughtful, evidence-based treatment that supports lasting healing and improved quality of life.
Q2: Do You Prescribe ADHD Medication?
Yes. ADHD treatment begins with a comprehensive diagnostic evaluation, because accurate diagnosis is what makes treatment work. When medication is appropriate, we prescribe and monitor it closely.
Q3: Do you provide therapy?
Our visits include supportive therapy, psychoeducation, and CBT-informed techniques when clinically appropriate. We do not provide standalone weekly psychotherapy; if you need it, we refer you to a licensed therapist and coordinate care while continuing your medication management.
Q4: Who do you serve?
Mind Oak Psychiatry provides care for adolescents ages 16+ and adults 18 and older. We tailor our approach to meet the unique needs of each age group.
Q5: Do you offer telehealth appointments?
Yes. We provide convenient, HIPAA-compliant telehealth services to patients across Texas, in addition to in-person appointments at our McKinney office. You can receive the same high-quality care from the comfort of your home.
Q6: What should I expect at my first appointment?
Your initial visit is a comprehensive evaluation where we take the time to understand your history, current challenges, goals, and how symptoms affect your daily life. We work collaboratively to develop a personalized treatment plan designed for meaningful, sustainable progress.
Q7: How do you create treatment plans?
We believe in individualized care. Every plan is thoughtfully designed around your unique needs, lifestyle, and goals. We combine evidence-based approaches with ongoing support so you can focus on recovery while we handle the clinical details.
Q8: Do you only prescribe medication?
Medication management is one important tool we offer, but it is never the only option. We take a holistic, whole-person approach and work with you to determine the most appropriate combination of treatments for your situation.
Q9: What if I’ve tried treatment before and it didn’t work?
Many of our patients come to us after previous treatments were unsuccessful. We specialize in providing fresh, personalized evaluations and care plans. Our compassionate team takes the time to understand what hasn’t worked in the past so we can explore new, more effective approaches.
Q10: Do you accept insurance?
Yes. We accept most major insurance plans. We also offer self-pay options and a sliding-scale fee structure to make quality psychiatric care accessible.
Q11: How long does treatment usually take?
The length of treatment varies depending on your individual needs and goals. Some patients benefit from short-term support, while others engage in longer-term care for ongoing stability and growth. We regularly review progress together and adjust the plan as needed.
Q12: What if I already have a therapist?
That’s ideal. We handle the psychiatric evaluation and medication side and coordinate with your therapist, with your permission, so your care works as one plan.
Q13: How often are follow-up visits?
The length of treatment varies depending on your individual needs and goals. Some patients benefit from short-term support, while others engage in longer-term care for ongoing stability and growth. We regularly review progress together and adjust the plan as needed.
Typically every few weeks while starting or adjusting medication, then less frequently once you are stable. Your plan is individualized
