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.

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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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 with children and adults. Her areas of specialty include individual and family therapy for children/adolescents and psychological and educational evaluations. Her areas of practice include individual treatment of anxiety, depression, eating disorders, social/school concerns, faith/spiritual issues, parental training, and helping children through parental divorce.

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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. He has been providing psychological services since 1994 and has worked in private practice, community, and hospital settings. Dr. Nordlund provides individual and marital/couples therapy for adults. He has a practice focus on marriage and relationship issues. In addition, Dr. Nordlund is experienced in the treatment of anxiety, depression, marital/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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Y PRITHAM RAJ, M.D. is a licensed Psychiatrist in Oregon. more...
Y PRITHAM RAJ, M.D. is a board certified Psychiatrist and Internist who has built his career as a clinician-educator at Duke University and now at Oregon Health & Science University where he serves as the Medical Director of the Internal Medicine Practice. He has practiced in Portland since 2006 and was delighted to join Cornerstone as a general psychiatrist in July 2013. Dr. Raj has published and lectured extensively in the areas of combined medical and psychiatric disorders. He specializes in the treatment of depression, anxiety, sleep disorders and cognitive impairment.

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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 O regon. 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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KATHRYN STARR, M.D. is a licensed Psychiatrist in Oregon. more...
KATHRYN STARR, M.D. is a licensed Psychiatrist in Oregon. She completed her psychiatric residency at Yale University after graduating from Case Western Reserve medical school. Dr. Starr specializes in diagnosing and managing mood and anxiety disorders, among other diagnoses, using both medications and psychotherapy. Dr. Starr treats adults and children 7 years and older.

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WARNER B. SWARNER, M.D. is a board certified Psychiatrist who has been in private practice in the Portland area since 1979. more...
WARNER B. SWARNER, M.D. is a board certified Psychiatrist who has been in private practice in the Portland area since 1979. Dr. Swarner maintains his position as staff psychiatrist and consultant at Portland Adventist Medical Center and Legacy Hospitals. He has extensive pharmacological experience in working with depression, anxiety, sleep disorders, obsessive-compulsive disorder and eating disorders. Dr. Swarner is the principal psychiatric investigator and consultant for Radiant Research in Portland. He presents as a guest lecturer at continuing education conferences throughout the Northwest.

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ALIE THOMPSON P.M.H.N.P is a board certified Psychiatric Mental Health Nurse Practitioner in Oregon. more...
ALIE THOMPSON P.M.H.N.P. is a board certified Psychiatric Mental Health Nurse Practitioner in Oregon. She provides comprehensive psychiatric evaluations and medication management for adults. She has extensive pharmacological experience in both outpatient and inpatient settings. Ms. Thompsonís practice focuses on the treatment of anxiety, posttraumatic stress disorder, obsessive compulsive disorder, major depressive disorder, and bipolar disorder.

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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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Appointment Information

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Cornerstone Clinical Services