Orange Psychiatric Medical Group

our professional staff includes child psychiatrists, adult psychiatrists, psychotherapists, learning consultants, organizational consultants and nutritionists.


Sai Chundu, MD
Sai Chundu, MD is the CEO of Orange Psychiatric Medical Group. He is a Child, Adolescent and Adult psychiatrist. Dr. Chundu is also interested in seeing adult patients.
Dr. Chundu graduated medical school at Guntur Medical College in India in 1981. He completed his residency in 1991 at Michigan State in Detroit, MI. Dr. Chundu has been working in Southern California since 2001.
Dr. Chundu is affiliated with Corona Regional Medical Center, Parkview Community Hospital Medical Center, Riverside Center for Behavioral Medicine and Riverside Community Hospital.
Practicing locations : Corona, Murrieta, Riverside, Temecula
Sai Chundu, MD


Julie G. Wareham, MD
Julie G. Wareham, MDDr. Julie Wareham practices psychiatry in Riverside, California. Dr. Wareham graduated from medical school at Loma Linda University in 1986. She completed her psychiatric residency at Loma Linda University in 1990. She has worked in the Inland Empire for the last 21 years.
Practicing locations : Riverside


Juvvala-Mohana-Reddy-MD
Dr. Reddy is a board certified psychiatrist and a distinguished fellow of American Psychiatry Association. Dr Reddy has extensive clinical experience in treating adults with various psychiatric issues.
Dr. Reddy graduated from Kurnool Medical College, India, in 1971. He completed his adult psychiatry residency at Chicago Medical School in 1978. After residency, he has been actively involved in comprehensive adult psychiatry care, both inpatient and outpatient. Dr. Reddy has held various administrative and clinical positions including medical director in a psychiatric facility at Crittonton Hospital Rochester Hills, MI.
Practicing locations : Corona
Juvvala Mohana Reddy MD


Rahima Afghan, MD
Rahima Afghan, MD
Dr. Afghan has been a licensed psychiatrist with Orange Psychiatric Medical Group since 2006. She graduated from the University of Kabul School of Medicine in Afghanistan and completed her residency from Cedar Sinai Medical Center in Los Angeles. She has been in practice since 1999 and prefers to work with patients 16 years of age and above.

Practicing locations : Corona, Murrieta


Renu Shishodia, MD
Dr. Shishodia is a Board Certified General Psychiatrist.
She completed her training and residency from St. Louis University Hospital, St. Louis, Missouri. She has been in practice for 10 years. She is comfortable working with children over five years of age, adolescents and adults. She accepts several insurances.
Practicing locations : Murrieta
Renu Shishodia, MD


Cynthia L. Bradley, Ph.D.
Cynthia L. Bradley, Ph.D.
Dr. Bradley is a licensed psychologist and has been working in the mental health field since 1990. She received her doctorate in psychology from Alliant University located in San Diego, California. Dr. Bradley has her masters degree from Chapman University and her bachelors degree from Cal State University Long Beach.
Dr. Bradley has worked in varied mental health settings including: psychiatric inpatient, county mental health, Department of Social Services, Department of Corrections, and outpatient psychiatric settings.
Dr. Bradley treats individuals 18 years of age and older. She specializes in anxiety, depression, transition issues and women's issues. Her approach to therapy is very direct. Her focus is on getting to the heart of the matter and assisting clients in making healthier choices in their life.

Practicing locations : Murrieta


Greg Barry, PsyD
Dr. Barry is a licensed clinical psychologist who received his doctorate in 2001, Summa Cum Laude. He wrote his dissertation on the most effective treatments for childhood behavior disorders. At a prior position, he was awarded with "Psychologist of the Year" for his work with individuals having anxiety, depression, and bipolar disorder. He then gained valuable experience working in a large Los Angeles clinic which serviced families and individuals having severe behavioral and emotional problems. At Orange Psychiatric Medical Group he utilizes many effective treatments including Cognitive Behavioral Therapy, with children, adults, families, and couples.

Practicing locations : Corona, Murrieta
Greg Barry, PsyD


Paul Gerhardt, Ph.D
Paul Gerhardt, Ph.D
Dr. Gerhardt has been a California licensed psychologist since 1982. Since joining Orange Psychiatric Medical Group in August 2004, Dr Gerhardt has primarily worked with adolescents, adults, and seniors. He has focused on providing psychotherapy for depression, anxiety, trauma and child abuse victims, substance abuse and relationship problems in the context of individual, couples and family therapy.

Practicing locations : Corona


Tahja McDowell, PsyD
Dr. McDowell is a licensed clinical psychologist who began working in the field in 1995. She has worked with a range of diagnoses and cultures. She has worked at the University of California, Riverside doing short and long term therapy with college students, at Laguna Beach Shanti, doing individual and group therapy with AIDS and HIV positive persons, and working at Citrus Community College doing psychological assessments with college students. She uses both cognitive behavioral and family systems techniques in therapy. She specializes in treating anxiety, depression, women's issues, sexual orientation issues, grief/loss, and adolescents and she enjoys working with people 12 and older.

Practicing locations : Corona
Tahja-McDowell.jpg


Aletha Herron, LCSW
Aletha Herron, LCSW
Aletha received her Master of Science in Social Work MSSW in 1981 from the University of Arlington, Arlington, Texas. She studied psycho-dynamic and behavioral therapy and did four years post graduate training in gesalt and transactional analysis supervision with Marriage and Family Therapists. She has also completed extensive adolescent training, cognitive behavior training, and hypotherapy. She managed one of the largest outpatient day programs for San Diego County from 1990-1995. She has been working for the Inland Empire since 1995. She enjoys working with clients 6 years of age and above. She looks forward to working with children, adolescents, individuals, couples, and families.

Practicing locations : Murrieta


Craig Beckett, MFT
Craig Beckett has been working in the mental health field since 1990 and received his license as a marriage and family therapist in 2000. He understands that seeking counseling while struggling with depression, anxiety, grief, and/or relationship conflicts can be a stressful and difficult experience. Therefore, he tries to help each person feel as supported and comfortable as possible in each session while first obtaining a thorough history and then identifying realistic goals. He strives to help each person move from where they are now to where they want to be. He offers individual, couple, and family counseling to those over 18 as well as Christian counseling. He offers a supportive and engaging presence to help each person find the next step on his or her journey.

Practicing locations : Murrieta
Craig Beckett, MFT


Desirae Hutchinson, LMFT
Desirae Hutchinson, LMFT
Desirae is a Licensed Marriage and Family Therapist who began working in the field in 2005. Her passion is to be a guide to help you with whatever life issues you are struggling with, and to be a source of support to you as you learn the coping skills needed to o overcome these often overwhelming difficulties life has a tendency to throw our way. She has worked in various settings and as such, has experience in treating a diverse population and cultures with a variety of issues some being physical and sexual abuse, LGBT, adoption, infertility, family reunification, divorce, teen issues, depression, anxiety, pre-martial counseling, couples, parenting, blended families, self-esteem as well as children and adults with ADHD. She works with Children, Teens, Adults, Couples and Families. Desirae, encourages you to take that next step into healing, and reminds you it can get better. Let’s work together to achieve your goals.

Practicing locations : Corona


Dojuana Hairston, PsyD, LMFT
Dr. Hairston is a licensed Marriage Family Therapist with Masters degrees in both Counseling Psychology and Education (School Psychology) and a doctorate in Clinical Psychology. Dr. Hairston works with all ages but especially enjoys working with teenagers! She has 10 years of experience working with children and their families. Dr. Hairston has a special interest in working with sexuality/gender identity issues. She utilizes Family Systems Therapy and Cognitive/Behavioral Therapy.
Practicing locations : Murrieta
Dojuana Hairston, PsyD, LMFT


Gina Mendez, LCSW
Gina Mendez, LCSW
So often we are able to solve our problems and identify our strengths when we are given the opportunity to talk with someone who is willing to listen. As a Licensed Clinical Social Worker I tailor my approach to each person as we are all individually unique with different needs. I often use Cognitive Behavioral Therapy, Dialectical Behavioral Therapy and Client Centered Therapy to assist clients with the difficulties they are facing.

I received a Bachelor of Science in Human Services Counseling and a Masters in Social Work from University of Nevada, Las Vegas. Prior to becoming a therapist I had the opportunity to work with children, teens and adults in various social service settings including Substance Abuse, Boys Town, and Clark County Family Services. I have worked as a therapist in children's residential setting, non-public school setting, and with adults at Riverside County Behavioral Health.

As a therapist, I strongly believe in focusing on an individual's strengths and resilience in treatment while providing support in one's journey in recovery and encouragement in reaching their goals.

Practicing locations : Murrieta


Hildamari Cabrera LMFT
My journey as a clinical therapist began in 1997 in Miami, FL working with children and their families at a nonprofit organization. Since then I have held clinical positions working for Dade County in Miami, and as of 2006, Riverside County Department of Behavioral Health working with both children and adults.

I earned my Bachelor of Arts degrees in Psychology and Biology at the University of Puerto Rico and my Masters of Science Degree in Psychology at the Miami Institute of Psychology, now known as Carlos Albizu University.

I have training in various treatment modalities including Dialectical Behavior Therapy, Cognitive Behavioral Therapy, Multidimensional Family Therapy, Trauma Focused Cognitive Behavior Therapy and Family Based Treatment for Eating Disorders.

Therapy is an investment in your life, relationships, health, wellbeing and future. I am humbled by clients who have invited me into their lives and trusted me to assist them in their journey toward more skillful behavior. I am fortunate to witness their strength and courage and collaborate in a deep process of discovery.
Practicing locations : Murrieta
Hildamari Cabrera LMFT


Ivy Zamora LMFT
Ivy Zamora LMFT
Ivy Zamora is a Licensed Marriage and Family Therapist with a Master's Degree in Counseling Psychology from National University. She received her Bachelor's Degree in Cognitive Sciences at the University of California, Irvine. Ivy has been licensed since 2013. She has extensive experience working with students diagnosed with ADHD and Autism and prior to becoming a therapist, she worked in the field of Applied Behavioral Analysis as a program coordinator. Ivy completed her internship at a non profit organization working with children and families.

In addition, Ivy has worked in an inpatient substance abuse treatment center where she counseled individual adults and their families in recovery. During her time working with co-occurring disorders, Ivy took interest in the relationship between trauma and addiction. She has received specialized training with trauma and is trained to perform EMDR (Eye Movement Desensitization and Reprocessing). She works with children, adolescents, and adults. She specializes in areas related to adjustment disorders, anxiety, depression, trauma, behavioral management in children, substance abuse, and codependency. Her approach to therapy is based on the individual's circumstances. She utilizes various modalities of treatment which include Cognitive Behavioral Therapy, Behavioral Therapy, Play Therapy, Art Therapy, Mindfulness Techniques, and Solution Focused Therapy.

Practicing locations : Murrieta


Kathryn Stull-Whitaker, MFT
Kathryn Stull-Whitaker graduated in 1979 from Azusa Pacific Univeristy with a Masters in Marriage and Family Therapy. Kathryn has been in private practice since 1988, and with Orange Psychiatric Medical Group since 1995. Her areas of expertise are: Individual counseling, marriage counseling, adolescent issue, drug and alcohol addictions.

Practicing locations : Corona
Kathryn Stull-Whitaker, MFT


Kathleen F Comer, MSN, FNP-BC
Kathleen F Comer, MSN, FNP-BC
Kathleen Comer, MSN, FNP-BC, is a Family Nurse Practitioner and has been practicing in the Riverside County area for more that 15 years, providing psychotropic medication management for patients ranging in age of 17+.

Kathleen received her Bachelor of Science in 1979 from Loretto Heights College in Denver, Colorado where she grew up. Kathleen was proactive in intensive care and trauma nursing for many years prior to obtaining her Masters degree and license as a Family Nurse Practitioner in 1999.

Kathleen provides a complete psychiatric exam prior to diagnosing and prescribing medications, inclusive of all medical and social problems.

Practicing locations : Murrieta


Kara Tiffany, M.A., MFT, LAADC, ICAADC, ICADC, SAP
Kara Tiffany-Roberts is a Licensed Marriage and Family Therapist. Kara completed her undergraduate work in Psychology at the University of Washington and her Masters in Counseling Psychology at National University. Kara has been in the mental health field for over 25 years and spent the majority of her career working in residential settings with patients that have trauma and mental health diagnosis which makes her very experienced and knowledgeable. Kara specializes in co-occurring disorders, addictions, and marital issues. She utilizes Cognitive Behavioral Therapy, Dialectic Behavioral Therapy, and Emotionally Focused Therapy in her practice. She believes in mindfulness and teaches self-care and awareness to all of her patients.

Kara holds several certificates and a license in the drug and alcohol field and enjoys working with individuals that have addiction issues. She is well educated in eating disorders and treats binge eating and those preparing for the gastric sleeve and roux-en Y procedures. Kara is very in touch with the community and has held several volunteer positions in Temecula and Murrieta. She has been serving on the local board of Marriage and Family Therapists (SWRC-CAMFT) for the last five years, was the 2016 President, and earned the Chapter Member of the Year award from CAMFT. She has worked in a variety of positions during her career including Clinical Director and Clinical Coordinator of local drug and alcohol treatment centers as well as having her own private practice for many years. Kara enjoys working with individuals, couples, and families ages 12 years and up.

Practicing locations : Murrieta
Kara Tiffany, M.A., MFT, LAADC, ICAADC, ICADC, SAP


Leshea Nock, LMFT
Leshea Nock graduated fro the University of Colorado in 1999 and received her Masters Degree in Marriage, Family and Child Therapy from the University of Phoenix. She is currently completing her dissertation for her Psy.D. on the need for supportive services for ASD adolescents and young adults in high school and college.
She specializes in adjustment disorders, ADHD, ASD, depression, anxiety, mood disorders, women’s issues and working with LBGT community. She works with children ages 7 and up, adolescents and adults providing both individual and couples counseling and family therapy. She utilizes cognitive behavior therapy, DBT, mindfulness techniques and family systems theories.

Practicing locations : Murrieta
Leshea Nock, LMFT


Martha Chapa-Padilla, L.M.F.T.
Martha Chapa-Padilla, L.M.F.T.
As a licensed Marriage and Family Therapist in the state of California, I have worked with adults, children, teens, couples, and families in a variety of mental health settings for the past 13 years. I have worked with clients experiencing a wide range of concerns including depression, anxiety, relationship issues, parenting problems, career challenges, and grief. I have also helped many people who have experienced physical/sexual trauma and/or emotional abuse.

My counseling style combines cognitive-behavioral, strength-based and solution-focused approaches which I feel helps clients reach their full potential and be able to use the strengths they already posses to find solutions to life's challenges. Overall, I would describe myself as a very compassionate, understanding, and down to earth person who truly enjoys getting to know my clients and working with them to achieve their goals and live a life worth living!

Practicing locations : Murrieta


Kathryn Stull-Whitaker, MFT
Michelle is a licensed marriage and family therapist LMFT who received her masters from Chapman University, Orange, California. Michelle graduated in 2010 and since than has work for non profits and private practice. She has worked with many different populations throughout the years. However, she now works with ages 18 and up and specializes in anxiety, young adults, woman. Michelle is passionate about being supportive for patients so they can gain insight, awareness, and eventually gain growth.

Practicing locations : Temecula
Michelle Villa, L.M.F.T.


Richard De Filippo MFT
Richard De Filippo MFT
Richard DeFilippo is a Marriage, Family and Child Therapist who has been practicing at Orange Psychiatric Medical Group for 6 years and has been licensed for 13 years.
He received his Master of Science Counseling Degree in 1993 and a Pupil Personnel Services Credential in 1996 from California State University, Fullerton, CA.
He provides Cognitive Behavioral Therapy with an Adlerian Psychology approach to individuals, couples and families. Issues experience include problems related to ADHD, parenting, phase of life transitions, self-esteem, drug abuse, alcohol abuse, and co-dependency. Specialty areas include anxiety, addiction, depression, children and couples. He sees Clients from ages 5-65+ on Mondays and Fridays.

Practicing locations : Murrieta


Rebecca Neeley, LMFT
I am a licensed Marriage and Family Therapist. I have been working in a private practice setting since 2009. Prior to that I worked as a Social Worker for 7 years, working with Foster children and families. I obtained my BA in Psychology at California State University, San Bernardino and my Masters Degree in Marriage and Family therapy at Loma Linda University. I also earned a certificate in Drug and Alcohol counseling.

I work with Children aged 8 and above, adolescents and adults as individuals or with the family. I work with diverse populations. I approach therapy on an individual basis using Cognitive Behavioral approaches as well as patient centered. I love assisting people through their journey of personal growth and adaptive coping/wellness.

“A man is but the product of his thoughts, what he thinks, he becomes” - Mahatma Gandhi -

Practicing locations : Murrieta
Rebecca Neeley, LMFT


Shari Gilbert, LMFT, R.N.
Shari Gilbert, LMFT, R.N.
Shari has been in the healing professions her entire career. She is a licensed Marriage and Family Therapist and a Registered Nurse. She practices therapy within a Christian worldview and for those desiring faith based therapy, she brings more then three decades of Christian experience. Shari works with individuals (18 years and older) struggling with anxiety, depression, low self-esteem, adjustment disorder, relational difficulties, life-transitions, chronic illness, grief and loss and those with spiritual concerns.

As a CA licensed Registered Nurse her experience includes critically sick newborns, post-partum mothers, pediatrics and those with chronic illness. She spent the last decade conducting clinical trials for the treatment of Hepatitis C at Scripps Clinic in La Jolla. She maintains an active interest in the field of medicine and the impact of physical illness on psychological functioning.
Shari graduated with a Bachelor of Science Degree in Nursing and a Master of Arts degree in Counseling Psychology.

Practicing locations : Temecula


Thomas Gilbert, MFT
Thomas Gilbert is a licensed Marriage and Family Therapist with a Masters degree in Counseling Psychology. Since 2005, Tom has worked with individual adults, couples and families in areas involving anxiety, depression, grief, communication and life-stage transition. Tom also assists individuals whose desire to express themselves through music, writing or other art forms poses challenges involving purpose, identity and motivation. For those desiring a spiritual approach to their problems, Tom can provide therapy within a faith-based, Christian framework grounded in four decades of experience.

Practicing locations : Temecula
Thomas Gilbert, MFT


Wendy Cohen, MFT
Wendy Cohen, MFT
Wendy Cohen is a licensed therapist with a Masters Degree in Marriage and Family Therapy. She prefers to work with adults and utilizes Cognitive Behavioral Therapy and Solution Focus Treatment. Ms. Cohen treats individuals in life transitions dealing with depression, anxiety, bipolarity as well as grief and loss. She enjoys teaching parents new skills and runs an educational seminar called "Becoming a Love and Logic Parent" in the community. She has been practicing in the Inland Valley since 2005.
Practicing locations : Murrieta