Clinicians

Cornerstoneís psychotherapists represent a range of specialties providing psychological assessment and therapy. They are also equipped to provide therapy that integrates a Christian worldview for those clients who request this sensitivity. Our medical providers are experienced clinicians trained to assess and prescribe psychotropic medication as indicated. Our clinicians are able to work together to provide an integrated treatment approach.

MICHELLE BLOCK, PSY.D. is a licensed Psychologist in Oregon. more...
MICHELLE BLOCK, PSY.D. is a licensed Psychologist in Oregon. She has a doctorate in Clinical Psychology form George Fox University. She works with older adolescents, adults, and older adults. Dr. Block has been previously employed by Oregon Health and Science University (OHSU), and in high school and university settings. Dr Block specializes in psychological assessment for adults to diagnose and provide treatment recommendations for adult ADHD and anxiety. In therapy, she works with a wide range of issues, and has sub-specialties in anxiety, panic, attention deficit/hyperactivity disorder (ADHD), faith/spirituality issues, and relationship issues. She believes that the counseling relationship is centered on listening and understanding the clientís values and background, which guides the course of treatment. Dr. Block uses an integrative approach influenced by Cognitive Behavioral Therapy.

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JOSH BORRELLI, PSY.D. more...
JOSH BORRELLI, PSY.D. He earned his degree at George Fox University, and he has worked in various university, school, and community settings. Dr. Borrelli works with older adolescents, young adults, and adults. He provides individual therapy for those struggling with depression, anxiety, trauma recovery, family of origin difficulties, low self-esteem, relationship issues, and phase-of-life adjustment. Dr. Borrelli uses an integrative, interpersonal approach that honors the values and diverse backgrounds of his clients.

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BRENT D. BURSON, PSY.D. is a licensed Psychologist in Oregon. more...
BRENT D. BURSON, PSY.D. is a licensed Psychologist in Oregon. Dr. Burson has been providing psychological services since 1981. He has worked in private practice and hospital settings. Dr. Burson specializes in marital therapy and relational issues. In addition, Dr. Burson is experienced in the treatment of depression and anxiety disorders, grief, divorce recovery, adult children of dysfunctional families, and menís issues, and developmental issues.

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DANIEL COMBS, PSY.D. is a licensed Psychologist in Oregon. more...
DANIEL COMBS, PSY.D. is a licensed Psychologist in Oregon. He has worked in a variety of settings, including hospitals, community mental health centers, and university counseling centers. He provides individual and family therapy to children, adolescents, and adults. Dr. Combs specializes in the treatment of anxious, depressed, and acting out children. He also works with adults who are experiencing a wide spectrum of anxiety and mood disorders. He utilizes an integrative approach to psychotherapy, drawing from both cognitive behavioral and psychodynamic forms of treatment.

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MICHELLE C. GORDON-LOWN, PSY.D. is a licensed Psychologist in Oregon. more...
MICHELLE C. GORDON-LOWN, PSY.D. is a licensed Psychologist in Oregon. Dr. Gordon-Lown has been in private practice since 2005 working with children, adolescents, and adults and families. Her areas of specialization encompass treatment of depression and anxiety disorders, grief, codependency, adult children of dysfunctional families, low self-esteem, survivors of abuse, relationship issues, and family problems.

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DAWN HOFFMAN-GRAY, PSY.D. is a licensed Psychologist in Oregon. more...
DAWN HOFFMAN-GRAY, PSY.D. is a licensed Psychologist in Oregon. She has been in practice since 1993 in various community, private practice, educational and hospital settings. Dr. Hoffman-Gray specializes in psychotherapy for children and adults with behavior and mood disorders. She also provides parent training and psychological and educational evaluations for children and adults.

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KYLE ISAACSON, Ph.D. is a licensed Psychologist in Oregon. more...
KYLE ISAACSON, Ph.D. is a licensed Psychologist in Oregon. He has worked in university and community settings, and has taught undergraduate and graduate psychology at various institutions. Dr. Isaacson works with adults, young adults, and couples. His areas of practice include anxiety, depression, relationship issues, family of origin concerns, grief, identity development, and the integration of spirituality and mental health.

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SHERYL IVEY, PMHNP-BC is a Board Certified Psychiatric Mental Health Nurse Practitioner in Oregon. more...
SHERYL IVEY, PMHNP-BC is a Board Certified Psychiatric Mental Health Nurse Practitioner in Oregon, providing comprehensive psychiatric evaluations and medication management for teens and adults. She enjoys using a team approach to care, with the clientís choice of team members to include: family, friends, therapist, primary care, clergy, and other alternative providers. She has experience working with a wide variety of diagnoses in an outpatient setting.

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BROOKE KUHNHAUSEN, Ph.D. is a licensed Psychologist in Oregon. more...
BROOKE KUHNHAUSEN, Ph.D. is a licensed Psychologist in Oregon. She has worked in university and community settings and teaches and supervises in the graduate program of counseling at George Fox. Dr. Kuhnhausen works with adults and young adults in individual therapy. Her areas of specialization include depression and anxiety disorders, grief, womenís issues, identity development, post-trauma recovery, family-of-origin issues, low self-esteem, relationship issues, adult children of dysfunctional families, and spiritual development/faith-based counseling.

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SARAH L. (SAMUELSON) LANDREY, PSY.D.is a licensed Psychologist in Oregon. more...
SARAH L. (SAMUELSON) LANDREY, PSY.D.is a licensed Psychologist in Oregon. Dr. Landrey provides individual counseling for young adult, adult, and geriatric populations. Her practice includes treatment for anxiety, depression, grief, low self-esteem, co-dependency, spiritual issues, relationship issues, adult survivors of abuse and domestic violence, family of origin issues, and personality assessments.

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CINDY B. NORDLUND, PSY.D. is a licensed Psychologist in Oregon. more...
CINDY B. NORDLUND, PSY.D. is a licensed Psychologist in Oregon. Dr. Nordlund has worked in the field since 1994 in both school and outpatient settings. Populations she serves include children, adolescents and adults. Her areas of specialty include the treatment of all forms of anxiety disorders, depression, eating disorders, school concerns, womenís issues, life transitions, parental training, grief/loss, spiritual development and faith-based counseling.

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MARK D. NORDLUND, PSY.D. is a licensed Psychologist in Oregon. more...
MARK D. NORDLUND, PSY.D. is a licensed Psychologist in Oregon where he has been providing psychological services since 1994. Dr. Nordlund provides individual and marital/couples therapy for adults. He has a practice focus on marriage and relationship issues using Emotionally Focused Therapy. In addition, Dr. Nordlund is experienced in the treatment of anxiety, depression, family problems, divorce recovery, faith/spiritual issues, anger, grief, menís issues, and addictions/compulsive behaviors.

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KELLI PELLEGRINI, PSY.D. is a licensed Psychologist in Oregon. more...
KELLI PELLEGRINI, PSY.D. is a licensed Psychologist in Oregon. Dr. Pellegrini is a licensed Psychologist in Oregon. She has provided psychological services through day and residential treatment settings, as well as through outpatient practice since 2002. Dr. Pellegrini works with children, adolescents and adults in individual and family therapy. Her areas of specialization include anxiety, depression, behavior problems, post-trauma recovery, parent-child relationship issues and social/school concerns.

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TIMOTHY A. PERKINS, PSY.D. is a licensed Psychologist in Oregon. more...
TIMOTHY A. PERKINS, PSY.D. is a licensed Psychologist in Oregon. Dr. Perkins has been providing individual, family and group therapy since 1987. He provides individual and family therapy with children, adolescents and adults. Dr. Perkins specializes in the treatment of anxious, depressed, and acting out children. He also works with adults who struggle with anger, grief, depression, anxiety, ADHD and interpersonal issues.

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JAMES C. PUTMAN, PSY.D. is a licensed Psycologist in Oregon. more...
JAMES C. PUTMAN, PSY.D. is a licensed Psychologist in Oregon. Dr. Putman has been providing individual, couples and family therapy with children, adolescents and adults since 1986. His clinical experience has included work in private practice, community and hospital settings. Dr. Putman also has been an instructor of counseling at the graduate level. His areas of practice include psychological and personality assessment, assessment and treatment of attention deficit disorder, treatment of mood disturbances, sexual problems, sexual/physical abuse, parenting issues, co-dependency and developmental issues.

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LAURA A. ROBERTS, PSY.D. is a licensed Psychologist in Oregon. more...
LAURA A. ROBERTS, PSY.D. is a licensed Psychologist in Oregon. Dr. Roberts specializes in the treatment of anorexia, bulimia, compulsive overeating, anxiety, depression, trauma recovery and the issues of female children, adolescents and adults. Previous clinical experience includes teaching at the graduate school level, community presentations, adolescent and adult inpatient services, general outpatient therapy services since 1989, and specialized training in the integration of theology and clinical psychology within the Christian community. As a member of the Academy for Eating Disorders, the Columbia River Eating Disorder Network, and the American Psychological Association, Dr. Roberts draws from the research-based treatment fields of cognitive behavioral and family-based treatment, as well as working with local registered dieticians and medical providers as an outpatient team.

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MATTHEW R. SLEASMAN, PSY.D. is a licensed Psychologist in Oregon. more...
MATTHEW R. SLEASMAN, PSY.D. is a licensed Psychologist in Oregon. Dr. Sleasman has been providing general out-patient services since 2000 and has worked in university, community, and hospital settings. He provides individual and family therapy with adults, adolescents, and children. Dr. Sleasman specializes in the treatment of depression, anxiety, marital/family problems, grief, menís issues, and anger management. He also provides a variety of personality, cognitive, neurological, and educational assessments.

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ANNETTE GILMORE WALKER, L.C.S.W. is a Licensed Clinical Social Worker in Oregon. more...
ANNETTE GILMORE WALKER, L.C.S.W. is a Licensed Clinical Social Worker in Oregon. Ms. Gilmore Walker has been in practice since 1981. She has extensive clinical experience treating adults in the areas of depression, anxiety, post-traumatic stress, family of origin problems, substance abuse and other addictive/compulsive problems, relationship issues, matters related to grief and loss, and women's issues.

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PETE WILSON, PSY.D. is a Licensed Psychologist in Oregon. more...
PETE WILSON, PSY.D. is a licensed Psychologist in Oregon. He has been providing general outpatient services since 1994 and has worked in private practice, community and hospital settings. Dr. Wilson works with adults in both individual and marital/couples therapy. He is experienced in treating a variety of issues including anxiety, depression, marital/family problems, grief, menís issues, religious issues/ Christian counseling, anger, and addictions/compulsive behaviors. He also performs psychological assessments with adults. Dr. Wilson is also an adjunct professor at George Fox University, teaching courses in their Social and Behavioral Studies program.

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ALAN S. YEO, M.D. is a licensed Psychiatrist in Oregon. more...
ALAN S. YEO, M.D. is a licensed Psychiatrist in Oregon. He completed his medical school and psychiatry residency at Oregon Health & Science University (OHSU). Dr. Yeo provides comprehensive psychiatric evaluations and medication management for adults, 18 years and older. He specializes in the treatment of mood disorders, anxiety disorders and attention deficit hyperactivity disorders.

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Appointment Information

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Cornerstone Clinical Services