

Access mental health support through UnitedHealthcare in Whittier and surrounding neighborhoods like Pico Rivera and Santa Fe Springs. Headway's network helps patients save an average of 75% on sessions while offering flexible scheduling options.
Teryn Leaper has a Masters in Counseling
Psychology from Mount Saint Mary's University.
She is currently board certified with the BBS in
California and BHEC in Texas.
Teryn has been spent the last decade in Los
Angeles and has been living in Texas for the last
year. Outside of work Teryn likes to read, write
short stories and poems and knit.
IMPORTANT: For current availability, visit https://mentalhealthpractitioners.com/ or call or text us anytime at 415-968-6515—we make it super easy! Intake forms are required before your first appointment and will be emailed to you when you book online. You can text us your info or email us at [email protected]. Please be sure to send us a picture of your insurance information and photo ID!
I'm Christina Stelly, DNP, APRN, PMHNP-BC — a board-certified Psychiatric Mental Health Nurse Practitioner based in Martinez, CA. With over 15 years of clinical experience across inpatient psychiatry, maternal health, and advanced practice, I am deeply committed to delivering compassionate, evidence-based mental health care to every person I serve.
I specialize in treating schizophrenia, bipolar disorder, PTSD, depression, anxiety, and etc.
My academic background includes a Post-Certificate DNP in Psychiatric Mental Health from the University of Illinois Chicago, a Doctorate of Nurse Practice from Texas Tech University, and a Master of Science in Nursing from Touro University. I also completed an intensive NP residency focused on advanced psychiatric care, crisis stabilization, and forensic psychiatry, which further strengthened my clinical expertise.
Earlier in my career, I specialized in maternal mental health, serving as a Patient Care Director for high-risk obstetric populations and contributing to perinatal mental health policy at the state and national levels. This background gives me a uniquely broad, whole-person perspective on psychiatric care across the lifespan.
My approach is grounded in trauma-informed, individualized care. I take time to fully understand your history, concerns, and goals before collaboratively building a treatment plan tailored to you. I have also served on health policy committees and presented at national nursing conferences, reflecting my commitment to psychiatric care.
Hi, I'm Dr. Chigozie Jones Onuh, I hold a Doctor of Nursing Practice degree. Also. I'm a compassionate and skilled Psychiatric Nurse Practitioner. I serve clients across all ages and demographics. I have experience in treating clients with Depression, PTSD, Generalized Anxiety Disorders, Schizophrenia, Mood disorders, Substance use disorders, and other psychiatric related issues.
Provides services from holistic and spiritual lens in addition to a cognitive behavioral approach.



Headway makes it easy to get affordable in-network mental health care with United Healthcare — from finding the right therapist or psychiatrist, to understanding costs, to booking your first session.
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