Meet our psychiatrists & mental health providers.
Board-certified psychiatrists, nurse practitioners, and medical professionals dedicated to your mental health.

Licensed in Kansas & Missouri
Psychiatric Nurse Practitioner
NP Okafor served as a National Guard medic before pursuing psychiatric nursing. He listens and respects patients who are struggling with conditions like depression, anxiety, and bipolar disorder.
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Psychiatric Nurse Practitioner & Cofounder
NP Wambugu graduated from the University of Missouri-Kansas City and later earned a Doctorate in Behavioral Health, specializing in addiction, ADHD, and anxiety. He focuses on enhancing your happiness and overall wellness.
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Psychiatric Nurse Practitioner
NP Marti has 20+ years of nursing experience, including ICU, ER, and geriatric psychiatry. She earned her master’s from Maryville University of St. Louis and specializes in dementia, schizophrenia, and bipolar disorder.
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Psychiatric Nurse Practitioner
NP Yates is skilled in managing complex psychiatric cases as well as common conditions like ADHD, depression, and anxiety. She earned her master’s from the University of Missouri-Kansas City.
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Psychiatric Nurse Practitioner
NP Nguyen has 15+ years of experience. He earned his master’s from the University of Missouri-Kansas City. Fluent in Vietnamese, NP Nguyen focuses on personalized, evidence-based care for adults.
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Psychiatric Nurse Practitioner
NP Njuguna has 15 years of psychiatric nursing experience treating depression, anxiety, ADHD, bipolar disorder, and substance use. She earned her master’s from Maryville University of St. Louis.
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Psychiatrist & Cofounder
Dr. Willey has decades of expertise in addiction recovery, starting with a fellowship at the University of Kansas Medical Center. He provides compassionate care for substance use, anxiety, and depression.
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Psychiatrist
Dr. Martell completed his addiction psychiatry fellowship at Yale and residency at the University of Kansas. He treats substance use, anxiety, depression, and more in both English and Spanish.
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Psychiatrist & Cofounder
Dr. Mekles cofounded Silver Arrow Psychiatric Care to improve mental health across Missouri and Kansas. A graduate of the University of Kansas Medical Center, he’s a respected expert in diverse psychiatric conditions.
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Why patients choose Silver Arrow Psychiatric Care
Compassionate providers
With years of expertise, our team helps you find effective solutions faster, so you can feel better sooner.
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