Daniel Weiss, MD

Dr. Earl De Guzman is a psychiatrist who values therapeutic partnership, working with patients to balance symptom relief with meaningful self-exploration. He earned his BS in Psychology from the University of California, Davis, and his MD from Ross University School of Medicine. He completed his psychiatry residency at Los Angeles County + University of Southern California Medical Center and a consultation-liaison psychiatry fellowship at Stanford University Medical Center. He is triple-board-certified in psychiatry, consultation-liaison psychiatry, and addiction medicine, and holds psychoanalytic psychotherapy training certification from the Psychoanalytic Center of California. Currently, he is a psychoanalyst-in-training at the New Center for Psychoanalysis. His expertise spans medication management, supportive therapy, and psychodynamic therapy.

Dr. De Guzman takes a collaborative, patient-centered approach, creating a warm and nonjudgmental environment. He listens deeply, asks thoughtful questions, and encourages honest exploration of symptoms and underlying patterns. He values authenticity, curiosity, and respect for each patient’s unique experiences. While symptom relief is important, his goal is to foster self-understanding and long-term growth. He works best with patients open to collaboration and motivated for change, whether through medication management, therapy, or both.

Dr. De Guzman begins with a consultation phase to ensure a good fit, listening carefully to understand each patient’s challenges and goals. Together, he and his patients build a working alliance by clarifying difficulties, identifying realistic changes, and exploring deeper patterns. When appropriate, he prescribes medication thoughtfully, aiming to support therapy rather than replace it. Each session integrates supportive and psychodynamic elements, combining medication review with therapeutic dialogue. Treatment plans are regularly revisited, allowing flexibility and growth, with the ultimate aim of empowering patients toward lasting change.

Dr. Bellavia is an experienced board-certified psychiatrist who specializes in adult psychiatry. He was a faculty member of the University of Washington School of Medicine in Seattle for 8 years and has been a medical director and attending psychiatrist in several clinical settings including academic medical centers, outpatient private practice and consultation. Dr Bellavia works collaboratively with each patient to identify presenting problems and stressors and utilizes evidence-based medication treatments along with individualized supportive and short-term psychotherapy strategies to reduce symptoms and improve function. If clinically indicated, he may recommend adding a psychotherapist to your care team. Dr. Bellavia has a particular interest in treating psychiatric conditions including, but not limited to, depression and bipolar disorders, ADHD, anxiety disorders, and adjustment problems. He has extensive experience working with individuals from diverse backgrounds, such as university students, creative and tech professionals, and expat communities. He uses a relaxed, nonjudgmental, empathic approach that is holistic and considers the biological, psychological, social, and cultural factors that impact mental well-being.

Dr. Sharon Kahler is Board Certified in Adult and Child & Adolescent Psychiatry and treats patients of all ages. She has over a decade of experience in both community mental health centers and private practice, working with individuals from diverse backgrounds. She earned her medical degree from New York Medical College, completed Adult Psychiatry Residency at New York-Presbyterian/Weill Cornell, and completed Child and Adolescent Fellowship training at NYU Langone and Bellevue Hospital. Her clinical interests include mood and anxiety disorders, PTSD, and childhood psychiatric disorders.

Dr. Kahler is committed to providing compassionate, high-quality mental health care. She fosters a therapeutic, nonjudgmental environment where patients can openly share their concerns and values. Viewing treatment as a partnership, she encourages patients to play an active role in their care and takes a whole-person approach, considering lifestyle, environmental, and social factors that contribute to healing.

Dr. Kahler begins with a comprehensive assessment to understand each patient’s history, background, and treatment priorities. She develops individualized treatment plans using evidence-based approaches, supporting patients in navigating life’s challenges and finding a path to mental wellness.

Dr. Gregory Marc Varhely is a board-certified general adult psychiatrist. He grew up in Austin, Texas, and attended Texas State University, where he earned a BA in Psychology and a Master's degree in Biology/Biochemistry. After graduating from medical school at Ross University, he completed his residency in Psychiatry at the Medical College of Wisconsin. Dr. Varhely has served as an outpatient psychiatrist at the Department of Veterans Affairs and acted as an attending physician for resident psychiatrists at Texas A&M and UT Dell Medical Schools. He then acted as a sole proprietor of an outpatient psychiatric medication management and psychotherapy practice in Georgetown, Texas and later started contracting for North Central Health Care Mental Health Clinic, applying psychotropic medication management expertise to community-based treatment facilities in Wisconsin. Dr. Varhely's approach is rooted in forming meaningful connections with his patients. He wholeheartedly believes that psychological suffering stems from a blend of biological, psychological, social, and environmental factors. Dr. Varhely works together with his patients to uncover these factors and create treatment plans tailored to their specific needs using an eclectic blend of the latest in psychopharmacology, as well as psychodynamic, supportive, and cognitive-behavioral therapy.

Dr. Lindsay Works is board-certified in psychiatry and addiction medicine. She earned her Doctor of Osteopathic Medicine (DO) degree from Rocky Vista University in Colorado and completed her internship and psychiatry residency at Walter Reed National Military Medical Center. She has extensive experience in both inpatient and outpatient psychiatric care, particularly in military and veteran populations.

Dr. Works specializes in psychiatric care and addiction medicine, offering treatment for a range of mental health and substance use disorders. She takes a comprehensive and structured approach, integrating medication management with individualized treatment planning. Her background in military psychiatry allows her to provide specialized care for veterans and active-duty service members, particularly those experiencing PTSD, substance use issues, and other psychiatric conditions.

During the first visit, patients can expect a detailed and structured psychiatric evaluation, where Dr. Works carefully assesses mental health concerns, treatment history, and personal goals. She prioritizes collaboration and patient engagement, ensuring that each treatment plan is tailored to the individual’s needs. She works with patients to develop an approach that may include medication management, therapy referrals, and support for addiction-related challenges, depending on each patient's unique situation.

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Background and credentials    

Dr. Abernethy is a board-certified psychiatrist who received his medical  degree from the University of Texas Medical School at Houston. He completed  his internship at UT Southwestern in Dallas and earned a Master's of Public  Health in Epidemiology and Occupational and Environmental Health from Texas  A&M. He completed his psychiatry residency training at the University of  Oklahoma Health Science Center. Dr. Abernethy has over 12 years of experience  practicing psychiatry in various outpatient settings, including private  practice and community mental health centers in Texas and Oklahoma,  specifically reaching underserved communities. He has treated a broad  spectrum of mental health symptoms among diverse populations, addressing  issues ranging from mood and anxiety disorders to behavioral manifestations  of Autism and other developmental disorders.    

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Treatment approach    

Dr. Abernethy utilizes a collaborative and patient-centered approach to  psychiatry, focusing primarily on medication interventions that align with  each patient's unique treatment goals and clinical needs. He emphasizes  cooperation with patients to effectively treat and reduce mental  health-related symptoms. His practice centers around medication management,  supplemented by supportive treatments tailored to individual needs. Depending  on each patient’s circumstances, he may recommend additional support from  individual, family, or group counselors and therapists to achieve optimal outcomes.    

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What you can expect in a first visit

In an initial visit, patients can expect a thorough, collaborative  discussion focused on understanding their symptoms, goals, and clinical  needs. Dr. Abernethy will evaluate the patient's condition to determine  appropriate medication interventions and discuss personalized treatment  recommendations. Typical follow-up visits are approximately 20-30 minutes in  length. Depending on the severity and complexity of a patient's situation,  referrals to additional counseling or therapy may also be suggested.    

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Why Talkiatry?    

We’re a virtual mental health practice that makes it easy to find great  care. We combine quality and convenience to help you thrive—faster. Our  providers, like this one, are highly trained experts who speciualize in  medication management and collaborate with you on a treatment plan that fits  your needs and comfort level.