The current attending staff at San Mateo Medical Center's Integrated Behavioral Health include:
The above licensed clinical staff provides training and/or primary or secondary supervision to Postdoctoral Fellows and trainees.
- Simone Heron-Carmignani, Ph.D. (Supervising Psychologist &Training Director)
- Nate Ewigman, Ph.D.
- Charlene Kallusch, Psy.D.
- Katherine Shadish, Ph.D.
- Christian Washburn, Psy.D.
- Demetra Stamm, M.D./Ph.D.
- John Sorrell, Ph.D.
- Hiba AbuDamous, Psy.D.
- Gabriela Diaz, Psy.D.
- Aikisha Harley, Ph.D. (Neuropsychologist)
- Marga Dolorfino (Program Coordinator)
The above licensed clinical staff provides training and/or primary or secondary supervision to Postdoctoral Fellows and trainees.
Dr. Nate Ewigman is a Licensed Clinical Psychologist serving the San Mateo Medical Center ambulatory clinics. He completed a PhD in Clinical & Health Psychology as well as a Masters in Public Health from the University of Florida. Dr. Ewigman completed his APA-approved internship and post-doctoral specialty in integrated care within the Veterans Affairs’ system (Chicago and San Francisco).
Dr. Ewigman specializes in providing health psychology, behavioral medicine and general mental health services to a diverse array of patients. His passions and expertise are within Acceptance & Commitment Therapy (ACT), mindfulness-based approaches, Motivational Interviewing (MI), Cognitive-Behavioral Therapies (CBT), Prolonged Exposure (PE) & Cognitive Processing Therapy (CPT). He is honored to serve the SMMC population. In addition to this work, he is passionate about supervision, has expertise in quality management approaches, has a small virtual private practice and dedicates his time to training other mental health clinicians to perform psychological asylum evaluations.
Dr. Ewigman specializes in providing health psychology, behavioral medicine and general mental health services to a diverse array of patients. His passions and expertise are within Acceptance & Commitment Therapy (ACT), mindfulness-based approaches, Motivational Interviewing (MI), Cognitive-Behavioral Therapies (CBT), Prolonged Exposure (PE) & Cognitive Processing Therapy (CPT). He is honored to serve the SMMC population. In addition to this work, he is passionate about supervision, has expertise in quality management approaches, has a small virtual private practice and dedicates his time to training other mental health clinicians to perform psychological asylum evaluations.
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Dr. Simone Heron-Carmignani joined San Mateo Medical Center and Fair Oaks Health Center in January 2018. She obtained her PhD in Clinical Psychology at Pacific Graduate School of Psychology (APA–accredited). Dr. Heron-Carmignani completed her internship and post-doctoral fellowship at UCSF-Zuckerberg San Francisco General Hospital with an emphasis on integrated behavioral health, family health and evidence-based chronic pain and anxiety treatments. She has expertise in Cognitive Behavioral Therapy (CBT), Acceptance Commitment Therapies (ACT) and mindfulness. In graduate and undergraduate schools, Dr. Heron-Carmignani conducted research on marijuana use expectancies in college students and nicotine dependence.
Dr. Charlene Kallusch is a Licensed Clinical Psychologist serving the San Mateo Medical Center primary care clinic and Gender Clinic. She obtained her Psy.D. in Clinical Psychology from Argosy University (APA-accredited) in 2009. She is a licensed clinical psychologist and has been working to improve the quality of life of the clients that she serves for over a decade. She has devoted her professional career to serving underserved and marginalized populations. Her therapeutic work has addressed crisis assessment and stabilization, assessment and diagnosis, intake and treatment plan development, with a specific emphasis on substance abuse issues, trauma recovery, domestic violence, depression, anxiety, and personality disorders.
Dr. Kallusch has worked with children, adolescence, families, adults and geriatric groups and individuals ranging from experiencing mild to server mental health issues in both an inpatient and outpatient settings. She professionally collaborates well with a multidisciplinary and is highly enthusiastic about integrated mental health in primary care has worked closely with primary care providers in her previous work at Alameda Health System. |
Dr. Katy Shadish joined San Mateo Medical Center in 2017 as a post-doctoral resident in the Pain Management Clinic and joined Integrated Behavioral Health in 2018. She obtained her PhD in Clinical Psychology from Pacific Graduate School of Psychology at Palo Alto University (APA-accredited) with an emphasis in community mental health. She is passionate about serving the underserved and providing truly integrated healthcare.
Dr. Shadish has worked with adults, adolescents, couples, and veterans struggling with a variety of concerns, including severe mental illness, substance use disorders, and chronic pain. She employs techniques informed by cognitive behavioral therapy (CBT), acceptance and commitment therapy (ACT), motivational interviewing, and client-centered approaches.
Dr. Shadish has worked with adults, adolescents, couples, and veterans struggling with a variety of concerns, including severe mental illness, substance use disorders, and chronic pain. She employs techniques informed by cognitive behavioral therapy (CBT), acceptance and commitment therapy (ACT), motivational interviewing, and client-centered approaches.
Dr. John Sorrell re-joined San Mateo Medical Center in Integrated Behavioral Health in 2020, serving as a clinical supervisor and attending psychologist at the San Mateo campus. A graduate of West Virginia University with clinical and research interests in health psychology and chronic pain, Dr. Sorrell completed his pre-doctoral internship at the VA Palo Alto Health Care System specializing in behavioral medicine. He completed his postdoctoral fellowship in behavioral medicine at the VA San Diego Health Care System. After joining the San Mateo Medical Center in 2005, Dr. Sorrell provided clinical care to patients in the Edison Clinic with chronic pain and assisted in the design and institution of the SMMC's Chronic Pain Management Clinic. He has provided care to patients at Stanford University Medical Center, SMC Behavioral Health and Recovery Services, VA San Francisco Health Care System, and in private practice. He is enthusiastic and passionate in helping patients live more fully and consistently with what is deeply important to them. Through cognitive behavioral and acceptance and commitment therapies, Dr. Sorrell helps individuals to loosen the grip of emotional distress, live more, and suffer less.
Gabriela Diaz, PsyD
Unlicensed Clinical Psychologist
Staff Psychologist, Integrated Behavioral Health
Unlicensed Clinical Psychologist
Staff Psychologist, Integrated Behavioral Health
Dr. Diaz joined San Mateo Medical Center as a post-doctoral fellow in 2021, where she participated in the Biofeedback Clinic. She has stayed as an unlicensed psychologist at Fair Oaks Health Center. She obtained her Psy.D. in Clinical Psychology at Spalding University in Louisville, KY (APA-accredited).
Dr. Diaz has experience working with individuals across the lifespan, including children, adolescents, adults, the geriatric community, and justice-involved individuals across inpatient, medical specialty clinics, outpatient, and non-profit organizations. She has expertise in treating various mental health concerns using Trauma-Focused approaches, Acceptance and Commitment Therapy (ACT), Cognitive Behavioral Therapy (CBT), Biofeedback and Psychophysiological interventions, and mindfulness-based approaches. Dr. Diaz is passionate about bridging the gap between culturally and linguistically sensitive, evidence-based treatments and underserved and marginalized communities of people who otherwise would have limited access to healthcare.
Dr. Diaz has experience working with individuals across the lifespan, including children, adolescents, adults, the geriatric community, and justice-involved individuals across inpatient, medical specialty clinics, outpatient, and non-profit organizations. She has expertise in treating various mental health concerns using Trauma-Focused approaches, Acceptance and Commitment Therapy (ACT), Cognitive Behavioral Therapy (CBT), Biofeedback and Psychophysiological interventions, and mindfulness-based approaches. Dr. Diaz is passionate about bridging the gap between culturally and linguistically sensitive, evidence-based treatments and underserved and marginalized communities of people who otherwise would have limited access to healthcare.
Christian Washburn, PsyD
Licensed Clinical Psychologist
Staff Psychologist and Clinical Supervisor, Pain Management Clinic
Licensed Clinical Psychologist
Staff Psychologist and Clinical Supervisor, Pain Management Clinic
Dr. Christian Washburn is a passionate practitioner in the field of pain psychology. Her treatment approach involves Cognitive Behavioral Therapy and other evidence-based treatment modalities to deliver the best care for her patients at San Mateo Medical Center. Dr. Washburn received her Bachelor of Arts degree in psychology from Boise State University and her Doctor of Psychology degree in clinical psychology from Alliant International University-CSPP in Sacramento. She completed her clinic psychology internship and Post-Doctoral Fellowship at San Mateo Medical Center. Her area of focus is on preventable diseases and managing chronic diseases.
Hiba AbuDamous, PsyD
Licensed Clinical Psychologist
Staff Psychologist and Clinical Supervisor, Integrated Behavioral Health, Round Robinson Senior Care Center
Licensed Clinical Psychologist
Staff Psychologist and Clinical Supervisor, Integrated Behavioral Health, Round Robinson Senior Care Center
Dr. AbuDamous joined San Mateo Medical Center as a post-doctoral fellow in 2020 and stayed on to work as a licensed clinical psychologist at Round Robinson Senior Care Clinic and Fair Oaks Health Center. She obtained a Psy.D. in Clinical Psychologist from California School of Professional Psychology at Alliant International University in San Francisco.
Dr. AbuDamous is experienced working with individuals across the lifespan including children, adults and geriatric populations. She also has expertise in working with individuals experiencing concentration and inattention difficulties in the context of mood disorders and ADHD.
Dr. AbuDamous is experienced working with individuals across the lifespan including children, adults and geriatric populations. She also has expertise in working with individuals experiencing concentration and inattention difficulties in the context of mood disorders and ADHD.
Demetra Stamm, MD/PhD
Psychiatrist
Staff Psychiatrist and Clinical Supervisor, Integrated Behavioral Health
Psychiatrist
Staff Psychiatrist and Clinical Supervisor, Integrated Behavioral Health
Dr. Demetra Stamm is a graduate of University of North Carolina at Chapel Hill School of Medicine where she completed a combined MD/PhD training with a doctorate in genetics. She completed her psychiatry residency at San Mateo County where she served as chief resident.
She received the Marshall Greene Psychodynamic Psychotherapy Award while in residency, and the Sara C. Armstrong Award for Compassionate Care during her training at UC Davis. Dr. Stamm’s professional interests include community psychiatry, delivering integrative models of health care that are collaborative, holistic and trauma informed. She enjoys teaching and mentoring psychology students and psychiatry residents.
Dr. Demetra Stamm provides psychiatric services within an ambulatory care clinic where she enjoys collaborating with providers to offer integrative care. She uses evidenced based up-to-date psychopharmacology. She is trained in EMDR (Eye Movement Desensitization and Reprocessing) treatments using attachment-based methods. She also uses mindfulness-based strategies and her therapeutic approach is influenced by psychodynamic principles. Her hope is to help patients reach greater fulfillment and meaning in their lives.
She received the Marshall Greene Psychodynamic Psychotherapy Award while in residency, and the Sara C. Armstrong Award for Compassionate Care during her training at UC Davis. Dr. Stamm’s professional interests include community psychiatry, delivering integrative models of health care that are collaborative, holistic and trauma informed. She enjoys teaching and mentoring psychology students and psychiatry residents.
Dr. Demetra Stamm provides psychiatric services within an ambulatory care clinic where she enjoys collaborating with providers to offer integrative care. She uses evidenced based up-to-date psychopharmacology. She is trained in EMDR (Eye Movement Desensitization and Reprocessing) treatments using attachment-based methods. She also uses mindfulness-based strategies and her therapeutic approach is influenced by psychodynamic principles. Her hope is to help patients reach greater fulfillment and meaning in their lives.
Dr. Aikisha Harley is a licensed Clinical Psychologist and Neuropsychologist. She earned her doctorate degree in Clinical Psychology with a specialization in neuropsychology at Palo Alto University. She completed her pre-doctoral clinical internship training at the VA Loma Linda Healthcare System and a two-year neuropsychology postdoctoral residency at Kaiser Permanente Roseville Medical Center.
Through her various training opportunities, Dr. Harley refined her neuropsychological assessment skills of individuals across the lifespan with various neurological, medical, neurodevelopmental, and psychiatric disorders including neurodegenerative diseases, epilepsy, movement disorders, traumatic brain injury, cancer, ADHD, learning differences, depression, and anxiety. During her postdoctoral fellowship, her training also included pre- and post-surgical evaluations for candidates pursuing deep brain stimulation and temporal lobectomies.
Additionally, Dr. Harley has experience providing psychotherapy to adults and seniors with mood disorders secondary to neurocognitive disorders. Her research interests include medical neuropsychology, the impact of mood on cognitive functioning, movement disorders, and cognitive aging. Dr. Harley is a member of the International Neuropsychological Society (INS), Hispanic Neuropsychological Society (HNS), Northern California Neuropsychological Forum (NCNF), and the Chair of the CE Programming Committee of the Society for Black Neuropsychology (SBN).
Through her various training opportunities, Dr. Harley refined her neuropsychological assessment skills of individuals across the lifespan with various neurological, medical, neurodevelopmental, and psychiatric disorders including neurodegenerative diseases, epilepsy, movement disorders, traumatic brain injury, cancer, ADHD, learning differences, depression, and anxiety. During her postdoctoral fellowship, her training also included pre- and post-surgical evaluations for candidates pursuing deep brain stimulation and temporal lobectomies.
Additionally, Dr. Harley has experience providing psychotherapy to adults and seniors with mood disorders secondary to neurocognitive disorders. Her research interests include medical neuropsychology, the impact of mood on cognitive functioning, movement disorders, and cognitive aging. Dr. Harley is a member of the International Neuropsychological Society (INS), Hispanic Neuropsychological Society (HNS), Northern California Neuropsychological Forum (NCNF), and the Chair of the CE Programming Committee of the Society for Black Neuropsychology (SBN).
Ms. Dolorfino is the Program Coordinator for Integrated Behavioral Health with administrative responsibility for patient services, support to clinical providers, and coordination for the psychology postdoctoral program. Marga has worked in medical and hospital settings for over 15 years. She started her career in health care managing a private dental office in El Cerrito, CA. She then worked as Billing Analyst with Pain Rehabilitative Medical Consultant Group in Berkeley and was subsequently hired as billing consultant with Physical Therapy Associates in Oakland to manage reimbursement with dormant accounts.
Marga joined the San Mateo Medical Center in 2007 as hospital unit coordinator in the inpatient psychiatric unit. She joined Integrated Behavioral Health in 2011 as program coordinator. Marga believes in exceptional customer service using tact, patience, and courtesy and loves supporting Integrated Behavioral Health to reach its mission and goals. Marga also enjoys her time with her family and is passionate about dancing old and modern style hula.
Marga joined the San Mateo Medical Center in 2007 as hospital unit coordinator in the inpatient psychiatric unit. She joined Integrated Behavioral Health in 2011 as program coordinator. Marga believes in exceptional customer service using tact, patience, and courtesy and loves supporting Integrated Behavioral Health to reach its mission and goals. Marga also enjoys her time with her family and is passionate about dancing old and modern style hula.