Lisette Rodriguez-Cabezas, MD

Edmund Clark, MD, serves as Chief Psychiatrist at Talkiatry with over 17 years of board-certified experience, including more than 5 years delivering tele-psychiatric care to underserved areas. His career spans 23 years in public service, including leadership roles as Chief of the VA Mental Health Clinics in Jacksonville, FL, and program manager for the University of Florida’s Psychiatry Residency Training Program. A former U.S. Navy psychiatrist, he deployed multiple times, including to Iraq in support of an Army Combat Stress Control clinic, gaining expertise in evidence-based PTSD treatments. Dr. Clark earned his medical degree from the University of Florida and completed his psychiatry residency at the National Naval Medical Center and Walter Reed, serving as chief resident for over 50 military trainees. Before medicine, he served in the U.S. Peace Corps in Kenya.

Dr. Clark values a collaborative approach built on honesty, rapport, and ensuring patients feel heard. He helps patients identify and address multiple factors influencing their mental health, aiming for positive, lasting changes that improve function across life domains. He encourages evidence-based therapies and, when needed, involves other providers to support comprehensive care.

Dr. Clark uses measurement-based tools to assess medication efficacy and guide treatment decisions. He integrates supportive psychotherapy to strengthen coping skills and reduce negative thinking, while incorporating motivational interviewing techniques to promote recovery and self-improvement.

Melissa Sims, MSN, APRN, PMHNP-BC, is a board-certified psychiatric mental health nurse practitioner who is passionate about delivering high-quality, compassionate, and comprehensive mental health care. She earned her Master of Science in Nursing from the University of Alabama at Birmingham in 2022 and has since worked in both community mental health and correctional settings.

Melissa takes a collaborative approach to care, working closely with other mental health professionals, medical providers, families, and relevant support systems to ensure well-rounded treatment. She emphasizes a patient-centered, individualized approach, combining medication management with psychotherapy to meet each person’s unique needs.

Patients working with Melissa can expect a thorough evaluation, accurate diagnosis, and a personalized treatment plan tailored to their mental health goals. One of her core priorities is to empower individuals to make informed decisions about their care by providing education grounded in research, evidence-based practices, and clinical experience.

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Asmita Neupane is a board-certified Post Mental Health Nurse Practitioner (PMHNP). She received her bachelor’s in nursing degree from Metropolitan state university, master’s in nursing degree from Texas Women’s University which specializes in Adult Geriatric Nurse Practitioner and completed her post-master’s degree as PMHNP from Wilkes University. Asmita Neupane has 20 plus years of experience as a Registered Nurse and almost 10 years of experience as Nurse Practitioner. Asmita Neupane is licensed to practice in Maryland and District of Columbia.

Asmita Neupane has professional interests in treating a wide range of psychiatry conditions including depression, anxiety, OCD, ADHD, PTSD, bipolar disorder, schizophrenia and eating disorders. She provides psychiatric assessments and medication management along with brief supportive psychotherapy. She focuses on holistic approaches to treatment and believes in keeping her patients healthy rather than only addressing illness. Asmita Neupane is fluent in Nepali, Hindi and English.

Dr. Govalla is an adult psychiatrist who completed her training at George Washington University and earned her medical degree from the University of Missouri–Kansas City. She is deeply passionate about global mental health and is dedicated to educating her community.

Dr. Govalla values professionalism, honesty, and shared decision-making, using these principles to guide her evidence-based approach to care.

Her process is rooted in understanding each patient as a whole person—not just a diagnosis. She considers a patient’s history, environment, relationships, and personal journey to provide practical, individualized support that empowers them to reach their goals.

Dr. Maxim Chasanov, MD, brings over 30 years of experience in both inpatient and outpatient psychiatric settings. He has held leadership roles, including serving as Medical Director across various clinical programs. Dr. Chasanov completed his undergraduate studies at the University of Chicago and earned his medical degree from Loyola University Stritch School of Medicine in Chicago, Illinois. He completed his residency at Loyola University Medical Center, where he was appointed chief resident during his final year.

Dr. Chasanov values open, honest communication and takes a collaborative approach to care. He partners with patients to identify clear treatment goals and uses symptom screener tools to objectively track progress. He strives to create a warm, supportive, and empathetic environment where patients feel heard, respected, and actively engaged in their treatment journey.

In the first session, Dr. Chasanov works to gain a thorough understanding of each patient’s history, current concerns, and long-term goals. He then develops a personalized treatment plan aligned with those goals. His approach balances symptom improvement with medication tolerability and incorporates therapies that further enhance outcomes.

Background and credentials    

Dr. Catherine Cashman is triple board-certified by the American Board of  Psychiatry and Neurology in Adult Psychiatry, Child & Adolescent  Psychiatry, and Forensic Psychiatry. She holds two Bachelor’s degrees: one in  Finance from New York University, and another in Biology from the University  of New Orleans. She earned her medical degree from Nova Southeastern  University and completed an Adult Psychiatry residency at LSU Health Sciences  Center in New Orleans. Dr. Cashman subsequently completed two fellowships:  the first in Child & Adolescent Psychiatry at LSU New Orleans, along with  a certification in Infant Mental Health (working with children ages 0–6 years  and their caregivers); the second fellowship was in Forensic Psychiatry at  the University of Rochester and the Rochester Regional Forensic Unit.    

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Treatment approach    

Dr. Cashman brings an extensive and specialized skillset to psychiatry,  informed by her triple board-certifications. Her treatment approach  integrates clinical expertise from adult, child and adolescent, and forensic  psychiatry, emphasizing accurate diagnosis, risk assessment, and  evidence-based care. With specialized expertise in forensic psychiatry and  competency assessments, she employs rigorous evaluation methods to accurately  inform treatment planning and risk management, particularly in complex or  legally-involved cases.    

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What you can expect in a first visit    

Patients visiting Dr. Cashman for the first time can expect a detailed and  comprehensive psychiatric evaluation. Given her forensic and clinical  experience, initial assessments are thorough, focusing on clear diagnostic  understanding, individualized risk assessment, and appropriate treatment  planning. Patients can anticipate a collaborative, professional, and  structured environment aimed at clarifying diagnoses and addressing their  unique mental health needs effectively.    

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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.