It's your time.
We provide medication management, therapy, and medical cannabis certifications for adults, teens, and children in Minnesota (and soon North Dakota). We help patients with anxiety, depression, ADHD, PTSD, bipolar disorder, borderline personality disorder, OCD, insomnia, panic attacks, substance use, autism, and more.
Questions about our services or need help scheduling? Call our office Monday-Friday:
612-867-1382
John Harrison, PMHNP, CEO, and founder of YourTime Psychiatry and Medical Cannabis LLC, has assisted hundreds of adults, teenagers, and children suffering from mental health illnesses throughout his career. He is specifically dedicated to helping clients with medication management and the use of medical cannabis for mental health purposes. He specializes in treating issues such as anxiety, depression, PTSD, ADHD, Autism Spectrum Disorder, Obsessive Compulsive Disorder, Bipolar Disorder, and Borderline Personality Disorder among others.
He has also assisted hundreds of people suffering from substance misuse with achieving and maintaining long-term sobriety. He specializes in helping clients recover from alcohol use disorder, opioid use disorder, stimulant abuse, and other substances. He believes that anyone can achieve sobriety, and that anything is possible during recovery.
He has previously practiced as a mental health registered nurse, primarily at Mayo Clinic Hospital in Rochester, Minnesota.
With over 17 years of experience in the medical field, Kelsey Helgeson, PMHNP, brings a deep commitment to compassionate, patient-centered mental health care. Specializing in addiction medicine, Kelsey has a strong passion for treating substance use disorders, including alcohol use disorder, opioid use disorder, stimulant abuse, and other substance-related conditions.
Kelsey believes in meeting patients where they are—emotionally, mentally, and physically—and emphasizes the importance of collaboration in the treatment process. She is dedicated to creating individualized treatment plans that respect and incorporate each patient’s input, fostering a sense of partnership and empowerment throughout their mental health journey.
In addition to her work in addiction medicine, Kelsey provides comprehensive psychiatric care across the lifespan, treating a wide range of diagnoses such as ADHD, anxiety, PTSD, depression, bipolar disorder, and schizophrenia, among many others. Her inclusive approach and dedication to listening ensure that every patient feels seen, heard, and supported.
Kelsey is passionate about helping individuals recognize their strengths and overcome challenges, believing that everyone has a unique story—and she’s here to help you write the next chapter toward becoming the best version of yourself.
Melissa Schepp is a Psychiatric Mental Health Nurse Practitioner with over fifteen years of experience in healthcare. She began her career as a Certified Nursing Assistant before advancing to nursing roles in labor and delivery, public health, school nursing, and outpatient mental health.
After witnessing the long wait times patients often faced with access to psychiatric care, Melissa felt called to further her education and earned her Psychiatric Mental Health Nurse Practitioner degree to help bridge that gap and improve access to timely, compassionate treatment.
Melissa enjoys working with children, adolescents, and adults. She treats a wide range of psychiatric conditions, including but not limited to depression, anxiety, panic disorder, PTSD, OCD, ADHD, mood disorders, bipolar disorder, schizophrenia, sleep and nightmare disorders, personality disorders, autism spectrum disorder, substance use disorders, and eating disorders.
She is certified in LGBTQ+ Affirming Care and Transcranial Magnetic Stimulation (TMS). Melissa is currently working toward additional certifications in Dialectical Behavior Therapy (DBT), Cognitive Behavioral Therapy (CBT), and other supportive therapeutic approaches.
Melissa is board certified by the American Nurses Credentialing Center (ANCC) and is a member of the American Association of Nurse Practitioners (AANP), the American Psychiatric Nurses Association (APNA), and the International Society of Psychiatric Mental Health Nurse Practitioners (ISPN).
She looks forward to partnering with you on your journey toward healing, personal growth, and achieving your fullest potential. Melissa is committed to providing compassionate, evidence-based care while empowering you to reach your goals.
Herbert Matanga, PMHNP, provides compassionate and individualized mental health care for adults, adolescents, and children. He treats a wide range of conditions, including anxiety, depression, ADHD, PTSD, bipolar disorder, OCD, insomnia, panic attacks, substance use disorders, autism, and more.
Herbert takes a warm and holistic approach to care—one that goes beyond symptoms and diagnoses. He believes every person has a story that deserves to be heard, and he takes the time to understand your life experiences before developing a treatment plan. Rather than simply prescribing medication and moving on, Herbert integrates brief psychotherapy into his appointments, ensuring that treatment feels personal, supportive, and empowering.
With his guidance, he allows you to help create your own care plan. Herbert believes that no two people are alike, and he’s dedicated to helping you discover what truly works for you. Whether you’re new to mental health care, or searching for a new provider who actually listens and cares deeply, Herbert is committed to helping you become the best version of yourself.
He looks forward to meeting you and walking alongside you on your journey to wellness.
Hello! My name is Mary Lee Beck, and I am a dual-licensed, board-certified Psychiatric Mental Health Nurse Practitioner and Family Nurse Practitioner. Having personally walked the road from mental health challenges to mental well-being, I have discovered that my true passion in healthcare is to walk alongside you on your journey toward healing, growth, and emotional balance.
I have several areas of expertise and currently treat and manage ADHD, Anxiety Disorders, Bipolar and Related Disorders, Depressive Disorders, OCD, Alcohol and Substance Use Disorders, Sleep Disorders, and Chronic Fatigue Syndrome, among other mental health conditions. As a dual-certified nurse practitioner, I understand that physical and mental health are deeply interconnected—true wellness involves caring for the body, mind, and soul.
I am fully committed to providing the quality of care you deserve. Navigating today’s healthcare system can be overwhelming, especially when it comes to mental health. My approach is centered around you, combining clinical expertise, compassionate understanding, and intuition, all guided by evidence-based practices. My goal is to ensure that you feel heard, supported, and empowered while receiving the most effective, individualized treatment for your needs.
REBEKAH TIMM BARNHART, PMHNP
Life is hard. There are days and moments when we all could use someone to sojourn alongside us through the mountains and valleys that come our way. Someone to remind us that we are not alone, we are in this together and together we can make progress. Progress towards the greater good, progress towards your individual goals, progress in your own health and well-being. I believe that you can gain power over the valleys and develop handles to help you find purpose, hope, and healing. It is my privilege and passion to walk beside you and I find great hope and joy in your personal success! Let’s make it happen.
My training is in medication management alongside therapy as a Psychiatric Mental Health Nurse Practitioner. I have walked alongside people through the dying process, depression, anxiety, marital discord etc. I have worked in marriage counseling, as a pastor, as a Christian military chaplain and with people/families of all ages and demographics.
Imagine if you really could take hold of your life. You could discover a path towards confidence, healing, and a deeper sense of well-being. In developing a comprehensive plan working with therapy and if necessary medication that would allow you to experience a much better life; a life that you felt was worth living. Together we can get there!
ROBERT NIEHOFF, LMFT
I am a licensed therapist with extensive experience helping individuals, couples, and families navigate life’s most difficult challenges. My background includes working in the areas of chemical dependency treatment, suicide prevention, and the care of individuals struggling with anxiety and depression.
Over the years, I have gained deep appreciation for how resilience can emerge when people feel seen, supported, and equipped with the right tools. My approach is rooted in trauma-informed care, ensuring that clients feel safe, respected, and empowered throughout the therapeutic process.
I draw on evidence-based practices including Cognitive Behavioral Therapy (CBT) and Solution Focused Therapy, tailoring treatment to meet the unique needs of each client. In addition to my clinical experience, I am Prepare-Enrich Certified in premarital and marital counseling and have completed Level II training in the Gottman Method, equipping me with specialized tools to support couples in building stronger, healthier relationships.
Whether you are seeking help with life transitions, recovery, relationship challenges, or emotional wellbeing, I provide a compassionate, collaborative environment where healing and growth can take place. My goal is to help clients strengthen their inner resources, gain clarity, and create meaningful change in their lives.
LINDSAY HILDRETH, LMFT
Linday Hildreth, LMFT, is a trauma-informed therapist who works at the intersection of sensitivity, relational wounds, and emotional resilience. She helps clients navigate attachment injuries, communication breakdowns, nervous system dysregulation, and the impact of past trauma on present relationships.
Her therapeutic style is collaborative, compassionate, and deeply relational—empowering clients to rebuild trust, strengthen connection, and step into relationships that feel healthier and more aligned. With a warm, attuned presence, she supports clients in understanding their emotional templates, healing longstanding wounds, and creating relationships where they can feel seen, supported, and safe.
