Dr. Robert Kahn-Rose
Adult and Geriatric Psychiatrist, M.D.,PH.D
Dr. Kahn-Rose is a very experienced psychiatrist, who treats patients over 18 years of age. He subspecializes in geriatric psychiatry. Among his areas of expertise are psychopharmacology and psychotherapy. He believes, first and foremost, in maintaining the dignity of his patients and maximizing the quality of life for his patients. His approach is individualized to each patient's particular needs. He strives to be flexible, innovative and engaging his patients in an effort to maximize the successful achievement of his patient's goals.
Our Providers
Dr. Robert Kahn-Rose, M.D., Ph.D.
Dr. Kahn-Rose is a native of Southern California. He received his B.S. from the University of California, Irvine, his M.D. from Albert Einstein College of Medicine and his Ph.D. from the Sue Golding Graduate School of Albert Einstein for research on the hormonal influences on memory. He trained in Psychiatry at the University of Chicago, where he completed a residency and a fellowship in Biological Psychiatry, and remained on the faculty as an Assistant Professor. In 1988, he joined the faculty of UCLA as an Associate Professor of Psychiatry. Among other positions, Dr. Kahn-Rose has been the Co-Director of the UCLA Alzheimer's Disease and Memory Disorders Center, the Medical Director of psychiatric inpatient units, and the Medical Director of skilled nursing facilities. He has been in private practice since 1993. In addition, Dr. Kahn-Rose has extensive experience providing consultations to attorneys. His areas of expertise include adult and geriatric psychiatry (capacity evaluations, malpractice cases and others) and Worker's Compensation. He has provided expert witness testimony in numerous depositions and court trials.
Meet the Team
Stacey Green, DNP, GNP-BC, PMHNP-BC, AOCNP Nurse Practitioner
Stacey Green is a doctorally prepared nurse practitioner who is board certified in Gerontolgy, Oncology, and Psychiatry. She is currently licensed in California and Nevada and has worked with elders and adults over the age of 18 since 2004. She has practiced in community geriatric psychiatry via telehealth with Dr. Robert Kahn-Rose since 2021. She has co-authored several articles in peer-reviewed journals and contributed to several nursing textbooks including chapters in the ONS Core Curriculum for Nursing Practice, and Psychosocial Resources for the Oncology Prepared APRN. In addition to working for the past 20 years as an APRN in a diverse range of practices including geriatrics, infectious disease, oncology, neurology and psychiatry, she has served as a clinical liaison, lecturer and assistant professor at UCLA School of Nursing Adult Gero Acute Care APRN program since 2010, and the UC Multicampus Consortium Post Masters Psych and Mental Health Program since 2021. Current areas of interest include mental health in medically complex older adults, support for caregivers of people with dementia and people surviving cancer, and pharmacotherapeutic interventions for treatment resistant depression, PTSD, neurocognitive disorders.
Robert Adlerstein, APRN
Robert Adlerstein, APRN, is a board-certified nurse practitioner with a multidisciplinary background in pain management, rheumatology, and psychiatry. Over the course of his career, Robert has cultivated a deep appreciation for the complex relationship between physical and mental health, particularly in patients living with chronic illness. His early work in pain management provided a foundation in addressing the nuanced challenges of chronic pain, while his years in rheumatology honed his ability to manage complex autoimmune conditions with both precision and compassion. These experiences gave him a unique lens through which to understand the emotional toll of chronic disease, ultimately inspiring his transition into the field of psychiatry. Now practicing in mental health, Robert brings a holistic, patient-centered approach to care, integrating his knowledge of somatic illness with a keen awareness of psychological resilience, trauma, and mood disorders. He is especially passionate about helping individuals find long-term balance and healing through collaborative, evidence-based treatment.
Abraham Agiba, APRN
Abraham Agiba is a board-certified psychiatric mental health nurse practitioner with a master’s degree in nursing science from the University of California, Irvine, and a post-masters certificate in psychiatry across the lifespan from Azusa Pacific University. Born and raised in Torrance, California, Abraham has a professional healthcare background spanning almost 16 years of adult and geriatric nursing across several specialties, primarily focusing on mental health. As a former medic in the United States Air Force, he witnessed firsthand the lack of community awareness of mental healthcare, as well as the debilitating effects of mental illness resulting in poor quality of life. This gave Abraham a strong conviction to make a positive impact while serving those in need suffering from mental health problems. With a passion and dedication towards serving the underserved, Abraham’s goal is to provide excellent care while helping to improve his patients’ lives. In his free time, Abraham enjoys exercising, playing sports, going to the movies, and spending time with his family.
Meet the Team
Jacquelin Jaffee, LCSW
Experienced Psychotherapist with a demonstrated history of working in the mental health care
industry. Skilled in Prevention, Addiction treatment, Crisis management, Anger Management, Young
Adults / Adolescents, Trauma treatment, Autism Spectrum Disorders, Mood and Psychotic
Disorders. Strong healthcare services professional with a Master of Social Work (MSW) focused in
Mental Health Concentration; Older Adults sub-concentration from USC - School of Social Work. Full
lifespan experience working with individuals, families and couples / partners.
Nick Rocca, LCSW
Nicholas Rocca, LCSW, has been providing psychotherapy to individuals, couples, and families since 1980 and has worked alongside Dr. Robert Kahn Rose, MD, Psychiatrist, since 2021. He holds a Master’s degree in Social Work from St. Louis University and a Bachelor's in Psychology from Seton Hall University. His early clinical training took place in inpatient psychiatric and Veterans Administration hospital settings.
With over 44 years of experience, Mr. Rocca has worked across diverse healthcare environments, including public health and federally funded mental health services. He specializes in integrated care for those coping with chronic or serious medical conditions and uses a person-centered approach that incorporates psychodynamic, cognitive-behavioral, mindfulness, and narrative therapies. Known for his compassionate and ethical practice, Mr. Rocca remains committed to helping patients achieve emotional wellness and resilience.
Fred Schwamb, LCSW
Fred holds two master's degrees and worked as a clinician in medical/psychiatric settings in NY and LA for over 40 years. He is now retired and lives in MN with his wife. His interests include farming, studying biblical languages, reading and urban ministries with oppressed people.
Meet the Team
Debbie Summers, LCSW
Are you going through a hard time, in a difficult relationship or feeling overwhelmed, confused, anxious, or depressed? Are you a parent seeking support for yourself or for your child who is struggling emotionally at school or home?
My approach is person -centered, forward-moving, positive, and strength–based. I draw upon therapeutic modalities including Reality Therapy, Cognitive Behavioral Therapy, Mindfulness, Acceptance and Commitment Therapy and, especially with children, creative expression through art and play.
We all need a listening ear, a safe place to talk, an objective perspective to help us figure things out. I believe in the therapeutic power of a caring and warm therapist-client relationship. I invite you to contact me and together we can determine if my therapy style and expertise are the right fit to meet your needs.
Dr. Hanna Chusid, Ed.D.
Dr. Hanna Chusid, Ed.D, a licensed California psychologist since 1991, earned her Master’s in Medical and Behavioral Health Social Work (1977) and Doctorate in Counseling Psychology (1988) from the University of British Columbia. Originally from Chicago, she brings over 40 years of experience as a psychotherapist, including two decades specializing in geriatric psychiatry.
Dr. Chusid helps individuals navigate life transitions, health challenges, grief, anxiety, depression, and trauma by offering compassionate support and practical coping tools. Her approach blends evidence-based neuropsychology, somatic psychology, mindfulness, and multicultural perspectives, tailoring each session to the client's needs.
Now based on California’s Central Coast, she enjoys life with her husband of 30+ years and their cat, staying active through walking, dancing, yoga, gardening, and community involvement.
Gail Burmeister, APRN, AMFT
Gail Burmeister is a psychiatric nurse practitioner who is board certified in mental health across the lifespan. Her special interest is geriatric psychiatry and work with vulnerable individuals. Gail has over 40 years of experience in the mental health field both in Canada and in California, including 9 years as a Psychiatric Nurse practitioner and Advanced Practice Nurse in California, including the use of telehealth. She is passionate about listening to her patients, understanding their goals, and providing and utilizing effective treatment options. Her evidence-based and patient-centered approach incorporates patient self-care, and coping strategies as well as medication management.
She is also a graduate nurse educator and professor in the Mental Health specialty at various universities in California. She is passionate about combining evidence based practice and education, as well as providing excellent psychiatric care via in person and telehealth modalities.
Meet the Team
Catherine Mammana, LCSW
Catherine Mammana, LCSW, is a licensed clinical social worker in California who has been providing psychotherapy to adults, adolescents, and families since 2021. She earned her Master’s degree in Social Work from the Catholic University of America and her Bachelor’s degree in Sociology from California State University, Channel Islands.
Catherine has experience working with older and dependent adults, as well as providing family therapy for adolescents and parents. Prior to becoming a therapist, she spent more than 35 years in the legal field supporting clients and families affected by personal injuries and the loss of loved ones in aviation accidents.
Her therapeutic style is person-centered, offering a safe and supportive space for clients to share their stories and life experiences. Through a trusting therapeutic relationship, clients can explore important questions, gain insight, and feel more empowered to make meaningful changes.
Catherine is deeply committed to her clients’ healing and growth. She integrates therapeutic approaches tailored to each individual with the goal of fostering renewed hope, resilience, and improved overall well-being.
Joni Lesser-Benton, LCSW
Joni brings over 40 years of experience in social work, specializing in cancer care, hospice care, adult mental health (inpatient and outpatient), family planning, and survivorship support for adults and teens impacted by childhood sexual abuse.
Her work centers on empowering people to make informed decisions while honoring the unique experiences and strengths each individual brings to therapy.
Joni earned her Bachelor’s degree in Psychology from the University of California, Santa Cruz, and her Master’s degree in Social Work from Columbia University in New York City.
She provides integrative care for adults living with chronic or serious medical and mental health conditions, using a person-centered approach that incorporates psychodynamic, dialectical behavioral, mindfulness, and narrative therapies.
Joni has lived in Chicago, California, New York, and Hawaii and has traveled extensively around the world. She currently lives on California’s Central Coast with her husband of more than 39 years and their dog. In her free time, she enjoys writing, reading, yoga, walking, snorkeling, cooking, and baking.
Contact Us
For information or to schedule an appointment, please contact our office. Our staff will be more than happy to assist you.
30423 Canwood St., Suite 123
Agoura Hills, California 91301
Tel: 818-385-1219
Fax: 818-385-1600