Ruosi Liu, MD

Dr. Barbara Lampert is a board certified psychiatrist, diplomat of The American Board of Addiction Medicine, and Fellow of the American Society of Addiction Medicine. She trained at the Downstate School of Medicine in Brooklyn, NY, completed her internship at Georgetown University in Washington, DC, and her residency in Psychiatry at the David Geffen School of Medicine at UCLA in Los Angeles. Over 30 years, she has worked in inpatient and outpatient settings, taught 3rd-year residents psychopharmacology in the Mood Disorder clinic she created, consulted in the prison system, and volunteered in the aftermath of natural disasters. She joined the New Mexico Medical Reserve Corps and was active in the Corps while working in her private practice. She continued to study the effects of trauma when she returned to California in 2008. She received specialized training in EMDR and Dialectic Behavior Therapy. In addition, she studied substance abuse problems and became a Diplomate of the American Board of Addiction Medicine. Empathy forms the core of Dr. Lampert's approach to treating patients. Working with trauma survivors, she believes that the goal is not to dwell on "the story” because patients often need time to reconstruct an accurate history. Rather, helping patients manage the challenge of living in the present moment is a worthy goal. Dr. Lampert has been named one of the Best Doctors in America for the treatment of mood disorders and one of the Best Doctors in California. She has remained dedicated to the dual path she's followed for years: excellence in Biological Psychiatry and psychology. She looks forward to working with you to help you achieve your treatment goals.

Dr. Jonathan Hertz is board-certified in adult psychiatry. He completed fellowships in child and adolescent and public psychiatry and has been practicing psychiatry for over 18 years. Dr. Hertz's practice focuses on medication management which is offered with supportive and/or dynamic psychotherapy within 30-minute follow-up sessions. If patients have individual psychotherapists, Dr. Hertz will work collaboratively with these providers within a treatment-team approach to patient care delivery. Dr. Hertz received his medical degree from Tufts University School of Medicine in Boston. He remained in Boston to complete a residency in adult psychiatry at Cambridge Health Alliance and a fellowship in child and adolescent psychiatry at Children's Hospital Boston. Dr. Hertz subsequently returned to his hometown of NYC and completed a fellowship in public psychiatry. Dr. Hertz has clinical and administrative experience in the field of psychiatry. These positions include ACT Team community psychiatrist, director of adult outpatient clinic, and medical directorship in behavioral health within community hospitals. With training in child/adolescent, adult, and public psychiatry, Dr. Hertz has a developmental approach to mental health care. That is, he collaboratively explores the bio-psychosocial factors that may have influenced the development of mental disorders. Dr. Hertz believes an ecological approach enables a broader view of the multip

Douglas Brennan, MD, earned his medical degree from the University of Colorado School of Medicine and completed an adult psychiatry residency at Massachusetts General Hospital (MGH) and McLean Hospital. He also completed a forensic psychiatry fellowship at MGH. Dr. Brennan has experience in both outpatient and inpatient settings, supervising residents and mid-level practitioners, and working in emergency and inpatient facilities. He remains on staff at MGH as an instructor for Harvard Medical School and is double-board certified in adult and forensic psychiatry. His outpatient work includes several years treating patients at the Department of Veterans Affairs with post-traumatic stress disorder, depression, and anxiety.

Dr. Brennan enjoys collaborating with patients to understand their goals, set expectations, and provide education on treatment options. He offers medication management evaluations and follow-up visits while working alongside licensed therapists to provide behavioral support as needed.

Dr. Brennan begins by thoroughly reviewing each patient’s history, concerns, and goals in the initial session. He then develops individualized treatment plans tailored to the patient’s objectives, ensuring care aligns with their personal goals and needs.

Dr. Richard McCall is a board-certified psychiatrist with over 25 years of comprehensive experience in delivering exceptional mental health services across various settings. He received his medical degree from the University of Virginia School of Medicine and completed his Psychiatry residency training at Duke University School of Medicine. He treats adult patients of all ages and is known for a compassionate, patient-centered approach. Dr. McColl integrates psychopharmacology with multiple psychotherapy modalities. He has specialized training in psychodynamic psychotherapy, Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), Acceptance and Commitment Therapy (ACT) and more. He looks forward to helping patients reach their goals for mental health care while providing a compassionate and collaborative environment.

Mu Xu, MD is a Psychiatrist at Talkiatry. He obtained his medical doctorate degree from the University of Chicago Pritzker School of Medicine and PhD from New York University. He completed his psychiatry residency at New York University. Dr Xu is licensed to practice in California, New York, New Jersey, Connecticut, Pennsylvania, and Maryland. Dr. Xu provides both medication management for a variety of psychiatric conditions. Dr. Xu is fluent in English and Mandarin. Dr. Xu is a general adult psychiatrist specializing in medication management. He values building strong connections with patients from all walks of life and tailoring treatments to their unique needs. His working style is characterized by attentive listening, detailed follow-up questions, and straightforward communication, fostering a collaborative and empathetic environment.

Patricia Grendell is a board-certified Psychiatric-Mental Health Nurse Practitioner who provides mental health care using a personalized, holistic approach. Patricia specializes in psychiatric evaluation and medication management along with psychotherapy and integrative interventions. Prior to receiving education and training in Nursing at New York University and Case Western Reserve University, Patricia earned a Master of Social Work from Boston College with a focus on health and mental health.  

Patricia specializes in working with adults experiencing a wide range of acute and chronic stressors and mental health symptoms. Patricia tailors' treatment to the goals, needs, and comfort level of each individual at her or his own pace. Patricia builds connections with patients so that they feel heard and understood, and partners with each individual to determine the most appropriate treatment strategies that maximize comfort, safety, and positive results.  

Over the past ten years as a Nurse Practitioner in outpatient and inpatient environments, Patricia has helped patients improve and overcome conditions including depression, anxiety, OCD, PTSD, ADHD, and insomnia. Using a combination of medication management, individual therapy, and psychoeducation, Patricia develops individualized treatment plans centered around patients’ priorities and safety to achieve improvements in health and quality of life.