Our Team

Psychiatrists

Bethany Tucker, MD

Bethany Tucker, MD
Ages 18 – 79
Fullerton (Tele-Provider)

Dr. Tucker is a board certified psychiatrist who treats adult patients. She earned her medical degree at University of Washington, School of Medicine and completed her…

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Christine Ricketts, DO

Christine Ricketts, DO
Ages 18 – 65
Laguna Hills

Dr. Ricketts is a board-certified adult psychiatrist. She earned her medical degree at Kirksville College of Osteopathic Medicine and did her psychiatry training at…

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Emily Yee, MD

Emily Yee, MD
Ages 4 – 17
Laguna Hills

Dr. Yee is a board-certified child, adolescent, and adult psychiatrist. She earned her medical degree at the University of Texas Health Science Center at San…

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Esther Park, DO

Esther Park, DO
Ages 4 – 79
Laguna Hills

Dr. Park is a board certified child & adolescent, and adult psychiatrist. She established Oak Health Center after recognizing the growing demand for great mental health…

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Howard Pratt, DO

Howard Pratt, DO
Ages 4 – 17
Laguna Hills

Dr. Pratt is a board-eligible child & adolescent psychiatrist. He trained to be a doctor at Edward Via College of Osteopathic Medicine. He did his psychiatry residency at…

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John "Jay" Faber, MD

John “Jay” Faber, MD
Ages 4 – 79
Beverly Hills

Dr. Faber is a clinical and forensic double board-certified psychiatrist with more than three decades of experience in Child, Adolescent, Adult Psychiatry…

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Keeban Nam, MD

Keeban Nam, MD
Ages 4 – 30
Laguna Hills, Fullerton

Dr. Nam is a board-certified adult psychiatrist and board-certified child & adolescent psychiatrist. He earned his medical degree from Loma Linda University, School of…

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Kristen Nelson, MD

Kristen Nelson, MD
Ages 18 – 79
Beverly Hills

Bio coming soon

Steven Calleros, MD

Steven Calleros, MD
Ages 4 – 17
Fullerton

Dr. Calleros is a board certified psychiatrist who specializes in treating children and adolescents. He earned his MD at Drexel University and did his psychiatry residency…

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Nurse Practitioners

Christine Kim, PMHNP-BC
Ages 6 – 65
Laguna Hills

Christine is a board certified psychiatric mental health nurse practitioner. She earned her Masters of Science in Nursing degree at UCLA and a post-master’s certificate…

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Eunice Lee, LMFT

Eunice Lee, PMHNP-BC
Ages 6 – 65
Beverly Hills, Fullerton

Eunice is a board certified psychiatric mental health nurse practitioner. She earned her Master of Science in Nursing degree and a post-master’s certificate as a PMHNP at Azusa Pacific University. She has been a clinical nurse leader for 9 years. She is fluent in Korean.  

Julie Bellendir, PMHNP-BC

Julie Bellendir, PMHNP-BC
Ages 6 – 65
Fullerton

Julie is dual board certified as a psychiatric mental health nurse practitioner and a pediatric nurse practitioner. She has been a nurse for over 13 years and a nurse…

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Psychologists

Mijin Park, PsyD

Mijin Park, PsyD
Laguna Hills, Fullerton

Dr. Mijin is a licensed clinical psychologist, a graduate from The Chicago School of Psychology. She provides psychological services for clients of all ages. She…

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Therese Mascardo, PsyD

Therese Mascardo, PsyD
Laguna Hills, Fullerton (Tele-Provider)

Dr. Therese hails from Southern California and is a Filipina-American Licensed Clinical Psychologist. Berkeley educated, with a heart for building community, Dr. Therese…

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Therapists

Hanna Chung, LMFT
Fullerton

Hanna is a licensed marriage and family therapist. She earned her degree in Psychology at UCLA, and her graduate degree at Fuller Theological Seminary.

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Helen Hyun, LMFT

Helen Hyun, LMFT
Laguna Hills, Fullerton

Helen is a former elementary school teacher. She is currently a licensed marriage and family therapist who earned her Masters of Science degree from Fuller Theological…

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Joyce Green, PhD, LMFT

Joyce Green, PhD, LMFT
Beverly Hills

Dr. Joyce is a licensed marriage and family therapist, art therapist, and international psychologist. She earned her PhD in International Psychology from The…

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Maria Garcia, LMFT
Fullerton

Maria is a licensed marriage and family therapist who has been treating children, adolescents, and adults for over 10 years. She earned her degree at California State University, Fullerton.

Yvonne Miller, LMFT

Yvonne Miller, LMFT
Laguna Hills

Yvonne is a Licensed Marriage and Family Therapist, a Registered Play Therapist and is trained in providing EMDR therapy. She earned her Master’s degree in Marriage and…

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Office Staff

Donna

Donna
Lead Office Manager
All Locations

Amelia

Amelia
Patient Care Coordinator
Laguna Hills

Jennifer

Jennifer
Patient Care Coordinator
Laguna Hills

Kristen

Kristen
Site Office Manager
Fullerton

Raeann

Raeann
Patient Care Coordinator
Fullerton

Our utmost priority is assisting you in your experience. The Patient Care Coordinators are available Monday through Friday 9AM – 5PM. From scheduling appointments to coordinating refills, paperwork/forms to billing, and everything in between, our team is dedicated to fostering an environment which allows you to be at ease and focus on achieving your greatest potential.