Michael Underriner, MD

Dr. Michael Locher completed Adult Psychiatry Residency Training at Los Angeles County, University of Southern California in which he focused two years of training in conducting Mindfulness Based Cognitive Therapy. Dr. Locher received his Bachelor of Science Undergraduate degree in 3 years with Phi Beta Kappa honors at University of Miami, Florida. In medical school at Stony Brook School of Medicine in New York, Dr. Locher was inducted into the Gold Humanism Honor Society while earning his Doctor of Medicine (MD) degree. Dr. Locher has held academic appointments at University of Southern California Keck School of Medicine, College of Osteopathic Medicine of the Pacific Western University of Health Sciences, and Ventura Community Memorial Health System Psychiatric Residency Training Program. He has an in interest working with immigrants and LGBTQ+ communities.  

Dr. Locher’s approach to medication management is that it is one tool to be used in the broader context of a multi-modal evidence-based treatment approach that draws upon psychotherapy, mindfulness skills, Buddhist psychology, psychedelic AKA “mind manifesting” studies, yoga philosophy, and other integrative practices. He understands that healing is an individualized process that cannot unfold without a safe space. Dr. Locher is dedicated to holding an approachable, empathic space where you can feel empowered to write the next chapter of your life.  

Dr. Locher is well versed in treating the full spectrum of mental illness. Having worked on multidisciplinary teams in acute inpatient psychiatric hospital settings, psychiatric emergency rooms, and mental health urgent cares for the better part of 10 years, he is comfortable helping with not just mild to moderate illness, but also the most severe cases of mental illness. Dr. Locher is especially motivated to work with you to maintain stability, avoid hospitalization, and more broadly, to achieve wellness.

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Dr. Arif Patel is a board-certified adult psychiatrist. He obtained his medical degree from Rowan University School of Osteopathic Medicine and completed his residency training at Authority Health, an affiliate of Michigan State University. In addition, he has completed a Psychoanalytic Psychotherapy Fellowship from the Michigan Psychoanalytic Institute. He has 4 years of clinical experience. Dr. Patel's practice focuses primarily on medication management. Follow-up appointments typically last 30 minutes and incorporate elements of supportive psychotherapy, CBT, and motivational interviewing. Dr. Patel utilizes a collaborative approach to treatment, ensuring that treatment plans align with patients' goals and values. Dr. Patel has extensive clinical experience in various psychiatric settings including inpatient, outpatient, and emergency settings. He has treated patients of various ages and of diverse cultural and spiritual backgrounds. He has extensive training in the community mental health system, where he has treated patients with severe mental illness and substance use disorders. Dr. Patel practices general adult psychiatry. His practice focuses on medication management in conjunction with supportive psychotherapy. Dr. Patel has experience in treating a wide array of psychiatric disorders including mood disorders, anxiety disorders, trauma, and ADHD.

Dr. Tsujimoto-Ryzewski is a board-certified adult psychiatrist. She received her medical degree from the University of Nevada, Reno School of Medicine. She completed her residency at the University of Nevada, Reno School of Medicine, where she served as a chief resident during her last year of training. Dr. Tsujimoto-Ryzewski has treated patients with a wide variety of diagnoses both during her residency and after her training while working at a busy private practice clinic as well as for the Veterans Administration. Dr Tsujimoto-Ryzewski focuses on medication management and supportive psychotherapy. If she feels that additional therapy is needed, she will ask that you bring in a therapist as part of the treatment team. Dr. Tsujimoto-Ryzewski will work collaboratively with you in a caring environment to assist you in reaching your goals.

Amy Gonzalez is a board certified Psychiatric Mental Health Nurse Practitioner as well as a Family Nurse Practitioner. She has been practicing in the field of nursing since 1996. Amy has been a practicing Family Nurse Practitioner since 2007, and she started to focus on substance abuse treatment in 2010. She found that many people with substance use disorder also struggle with their mental health and went on to get her Psychiatric Mental Health Nurse Practitioner degree completing it in 2017. Her past experience includes working in both outpatient and inpatient psychiatry, 24-hour crisis care, substance use treatment, mental health court, and both adult and geriatric psychiatry. Amy has expertise in treating depression, bipolar spectrum disorder, anxiety, insomnia, PTSD, substance use disorders and thought disorders.

Amy believes in providing a safe and supportive environment where she really gets to know her patients as individuals and works collaboratively with them to develop a treatment plan. She is concerned with a patient's overall wellness, emphasizing nutrition, movement, hobbies, social connection, and mindfulness. She takes a holistic approach to treatment which focuses on evidence-based treatments including conventional medications, supplements, and alternative and complementary treatments.

Amy focuses on medication management as well as providing supportive therapy, psychoeducation, and motivational interviewing to her patients in 30-minute follow up appointments. Sometimes Amy may recommend more intense therapy and ask that you bring a therapist into your care team to provide the best outcome.

Dr. Chhavi Chaudhary is a dual board-certified psychiatrist with subspecialty certification in Child and Adolescent Psychiatry. She completed her fellowship at Washington University in St. Louis, where she also served as Chief Fellow, and her general psychiatry residency at the University of Texas Health Science Center at Tyler. Over the past year, she has provided telehealth psychiatric consultations across emergency rooms and inpatient settings, gaining extensive experience across state hospitals, outpatient clinics, college mental health, preschool, mood disorder, and community health clinics.

Patients working with Dr. Chaudhary can expect a thoughtful and collaborative approach. She emphasizes understanding each individual in the context of their psychosocial development, life experiences, and cultural and societal stressors. She believes mental health cannot be separated from the challenges faced at school, work, within families, and in society at large.

Dr. Chaudhary’s style is warm, curious, and collaborative. She listens carefully, ensuring patients and families feel understood, and works together to create practical, personalized treatment plans. She integrates psychopharmacology with therapy, coping strategies, and resilience-building, aiming for patients to feel supported, empowered, and actively engaged in care that evolves with their needs.

Dr. Lanier Summerall attended Yale University, where she studied philosophy in the Great Books Program. She later studied Molecular Biology at the University of Colorado, where she and her husband moved after getting married. She received her medical degree from the University of Colorado Health Sciences Program, and completed her residency at Dartmouth Medical School. She also trained at Massachusetts General Hospital with Dr. Theodore Stern in his area of expertise (Consult Psychiatry) and learned from his immense skill at building strong rapport with all patients.

Dr. Summerall has experience in inpatient, and outpatient settings, along with teaching and research. She has worked in hospital administration, government entities, most importantly the Senate Veterans’ Affairs Committee.

Dr. Summerall values transparent communication and will work with you to create the change. She treats patients as unique individuals and treatment is put into place with individualized plans in mind. Her approach to patients, which emphasizes holistic, patient centered, strength based treatment built on a foundation of strong doctor-patient alliance and evidence based medical knowledge.

Your appointment with Dr. Summerall will be a conversation. She is there to work towards goals together and is a good translator of "medical-ese". She enjoys working with patients on all aspects of their health and caters treatment plans to you.