Cesar De Paz, MD

Dr. Zeshen Wu is an ABPN board certified psychiatrist with more than 10 years of experience. He completed his undergraduate studies at the University of Texas at Austin, followed by medical school at the University of Texas Medical Branch. He completed residency in psychiatry at Dell Medical School in Austin. Dr. Wu focuses on effective and safe medication management as well as supportive and psychodynamic therapy in his practice. He likes to focus on a gentle, collaborative, and patient-centered approach. He specializes in forming individualized pharmacological treatments as well as taking time to explore stressors and psychological issues to achieve complete and comprehensive care. Dr. Wu had previously served as assistant professor of psychiatry at UTHealth McGovern Medical School in Houston and has been involved in many years of teaching and mentorship. At UTHealth, he also served as clinical faculty in one of the nation's largest inpatient psychiatric campuses and is experienced in treating a wide range of adult mental illnesses including mood disorders, anxiety, OCD, and ADHD.

Dr. Troy Grantham is a board-certified staff psychiatrist who treats adult patients. A former engineer, Dr. Grantham has developed a passion for guiding patients along the road to recovery. He completed his undergraduate studies at The University of Texas at Austin and later completed medical school and residency in General Psychiatry at The University of Texas Medical Branch at Galveston. Dr. Grantham's practice focuses on medication management. He utilizes a systematic approach to ensure diagnoses are accurate and treatment plans are optimized to each individual patient. His approach is also holistic in nature, often incorporating therapy and lifestyle modification into the treatment plan. Dr. Grantham employs multiple therapeutic approaches in his practice depending on the needs of the patient including supportive therapy, Cognitive Behavioral Therapy (CBT), and Acceptance and Commitment Therapy (ACT). He places great emphasis on psychoeducation so that patients are aware of the nature and prognosis of their conditions as well as the treatment options available. When multiple treatment options are reasonable, Dr. Grantham takes patient preference into account, offering flexibility to the patient experience. He treats a variety of psychiatric disorders with a particular focus on mood disorders, anxiety disorders, obsessive-compulsive disorders, and trauma-related disorders. Please note: Dr. Grantham does not prescribe long-term, daily benzodiazepine medications, however, he is happy to help you taper off of these medications and transition to a safer, long-term medication regimen. In addition, Dr. Grantham does not treat ADHD nor prescribe stimulant medications.

Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

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Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

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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 specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Dr. Jennifer Ruch is a board-certified psychiatrist who strives to understand her patients' lived experiences and aspirations to develop supportive therapeutic relationships through empathetic listening, mutual trust, and respect. She collaboratively creates individualized care plans that align with personal treatment goals in a safe and judgment-free environment. After completing her Bachelor of Science degree in Human Biology with a focus in psychology from the University of California, Merced, she earned her medical degree from Lake Erie College of Osteopathic Medicine. Dr. Ruch completed her General Psychiatry Residency at Arnot Ogden Medical Center in New York. Her clinical experience involves treating individuals of all age groups from diverse populations and socioeconomic backgrounds suffering from anxiety, depression, bipolar disorder, psychotic disorders, neurodevelopmental disorders, and neurocognitive disorders. She has provided care in inpatient and outpatient psychiatric facilities, the Veterans Affairs Medical Center, emergency rooms, state facilities, and an inpatient chemical dependency center. She also performed pre-procedure psychological evaluations for bariatric and spinal cord surgeries, and psychiatric consult liaison services on medical units and has clinical training in inpatient and outpatient neurology. Her clinical experience incorporated treatment modalities such as pharmacotherapy and interventional psychiatry, including Transcranial Magnetic Stimulation and Spravato. Dr. Ruch integrates a wide array of psychotherapy as needed; however, her practice primarily focuses on medication management while utilizing referrals to therapists and providing collaborative care for optimal outcomes.

Anita Rosenberg is a Licensed Professional Counselor (LPC), with over 15 years of experience as a therapist. She graduated from Arcadia University in 2007 with a Bachelor of Arts in Psychology and received a Master of Arts in Clinical Counseling Psychology from La Salle University in 2010. Following the completion of her education, Anita spent a decade providing direct patient care and clinical leadership in an inpatient co-occurring disorders treatment facility. She continues to have a passion for working with those navigating struggles with substance use and recovery efforts through the use of person-centered and strengths-based modalities, as well as incorporating 12 step programming. Anita provides care to both adolescents and adults using an eclectic approach based in Cognitive Behavioral Therapy (CBT) and trauma informed care approaches to assist with challenging negative thoughts and beliefs that interfere with experiencing joy in daily life. This allows her to create a safe and comforting environment to serve diverse populations, including individuals within the LGBTQIA+ community. She is also well versed in assisting individuals struggling with depression, anxiety, ADHD, PTSD, grief and loss, eating disorders, chronic mental and or physical health issues, and unexpected life changes. Through treatment, Anita works along with the individual to explore personal thoughts, beliefs, and values that influence one's reactions to their lived experiences. Her approach allows for the exploration and building of healthy coping skills, positive thought replacements, and processing of past and current life events that lead to struggles with daily distress. Through her warmth, compassion, and strong sense of empathy, she strives to provide her clients with an open, positive, and affirming therapeutic relationship.

Amanda Favretto is a Licensed Mental Health Counselor who holds certificates as a Nationally Certified Counselor as well as a Certified Clinical Trauma Professional. Working with military service members and faith-based counseling are two of Amanda's passions. Amanda has worked in both inpatient and outpatient settings with individuals struggling with concerns such as low-self esteem, adjustment, anxiety, depression, PTSD, and relationship and communication issues, utilizing such treatment modalities as Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), EMDR, as well as others. Amanda believes in the importance of meeting each individual where they are at, focusing on all aspects of a person: heart, mind, body, and spirit. It has been Amanda's experience that focusing on each layer leads to long-lasting, deeper healing and growth. Believing that each person has it in them to heal and grow, Amanda considers it a unique privilege to assist people on that journey. At each individual's pace, striving to promote a comfortable environment, Amanda will gently encourage deeper self-reflection, mindfulness, challenging oneself, and skill-building. She would like you to feel free to reach out to set up an appointment and answer any questions you may have.