Rita Shaughnessy, MD

Marie Thompson, PMHNP, has over a decade of experience practicing in outpatient settings. She earned her undergraduate, graduate, and post-graduate degrees from Ursuline College in Pepper Pike, Ohio. Marie is dual certified as a Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner, allowing her to provide well-rounded, holistic care to her patients.

Marie uses a team-based approach to help patients meet their treatment goals. She is dedicated to creating a trusting, non-judgmental environment where individuals feel safe, heard, and supported. Her goal is to enhance daily functioning and improve each patient’s overall quality of life.

Marie creates individualized treatment plans to meet each patient's unique needs. She works collaboratively to develop patient-centered goals and uses a thoughtful, compassionate approach to guide treatment. Her process prioritizes open communication, shared decision-making, and long-term wellness.

Dr. Martha James is board-certified in general adult psychiatry and has more than twenty years of experience working with adults in a variety of mental health care settings including academia, inpatient psychiatric hospitals, outpatient clinics, university medical centers, VA medical centers, and community mental health settings. Dr. James received her medical degree from Duke University School of Medicine. She completed her psychiatric residency at the University of California, Los Angeles Neuropsychiatric Institute. Dr. James has experience treating adults with a variety of mental health problems including anxiety, mood disorders, trauma related disorders and psychotic disorders.

Dr. James is an experienced, open-minded psychiatrist who prioritizes empathy and understanding in her work. She recognizes that each individual's path to wellness is unique and strives to meet patients where they are in this process. Dr. James believes that while some individuals may benefit from treatment with medication management alone, psychotherapy is often important for treatment success. She encourages patients to participate in psychotherapy and believes a therapist can be a crucial part of the treatment team.

Dr. James uses a collaborative, patient-centered treatment approach with the goal of reducing mental pain and improving wellness so that patients are better able to pursue their unique personal and professional goals. She utilizes psychopharmacology, psychoeducation, and supportive and psychodynamic psychotherapy skills when working with patients.

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Background and credentials

Dr. Vansickle is a board-certified adult psychiatrist with over 25 years of clinical experience. She earned her medical degree from the University of Texas Health Sciences Center San Antonio and completed her internship at UAB. She then completed her psychiatry residency at the University of Louisville Hospital, where she served as chief resident and received a national award in community psychiatry. Throughout her career, she has worked in both inpatient and outpatient settings as a staff psychiatrist, primarily in Texas and Alabama.

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Treatment approach

Dr. Vansickle places a strong emphasis on establishing trust and building therapeutic relationships to help patients achieve their goals. Her practice focuses on medication management, often combined with supportive or emotionally focused therapy during 30-minute follow-up visits. If she believes additional therapy would be beneficial, she may recommend that patients work with a therapist as part of their care team. She has extensive experience treating patients in various settings, including community mental health centers, VAMC-affiliated clinics, and hospital-based psychiatric units. She also has expertise in psychiatric consultations for medically ill patients, as well as guardianship and competency evaluations.

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What you can expect in a first visit

Patients can expect a thorough initial evaluation, where Dr. Vansickle takes the time to understand their symptoms, history, and treatment goals. She provides a structured yet compassionate approach to care, ensuring that each patient feels heard and supported. Follow-up visits typically last 30 minutes, during which she monitors progress and adjusts treatment as necessary. If additional therapy is needed, she collaborates with therapists to ensure comprehensive care tailored to each patient’s needs.

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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. Desir is a Board-Certified Psychiatrist who completed her undergraduate training at The University of Scranton followed by medical school at the New York Institute of Technology College of Osteopathic Medicine. She completed psychiatry residency at Nassau University Medical Center where she served as the Administrative Chief Resident in her final year. Dr. Desir has been in practice for 4 years and has provided patients with compassionate psychiatric care. She has worked in community mental health settings throughout her career, in which she served a wide variety of patient populations. Dr. Desir is experienced in treating various psychiatric illnesses including mood disorders, anxiety disorders, OCD, PTSD, and ADHD. At the heart of Dr. Desir's clinical approach is a strong emphasis on establishing trust and building a therapeutic relationship. She also provides psychoeducation to help patients make informed decisions regarding their care. She works collaboratively with patients to develop individualized treatment plans to help them achieve their goals. Dr. Desir's practice focuses on medication management. Typically, she offers this in conjunction with supportive or emotionally focused therapy in 30-minute follow-up visits. Occasionally, Dr. Desir may believe that additional therapy is also needed and ask that you bring a therapist into your care team to provide the best outcome. Talkiatry takes medication management seriously. All state-controlled substance databases are reviewed and taken into consideration during your initial evaluation.

Serena Mirchandani is a board-certified psychiatric nurse practitioner with extensive experience treating serious mental illnesses such as bipolar disorder and schizophrenia spectrum disorders. She also provides care for individuals with depression, anxiety, PTSD, OCD, autism spectrum disorder, and substance use disorders. Serena earned both a Master of Science in Nursing and a Doctorate in Nursing Practice in psychiatry from Columbia University. She completed a Nurse Practitioner Fellowship at Community Healthcare Network and worked at Bellevue Hospital for 2.5 years, providing care on an inpatient psychiatric unit for a diverse, underserved population.

Serena’s approach is grounded in open communication, evidence-based care, and deep respect for each patient’s lived experience. She prioritizes a collaborative, safe space where individuals feel heard, respected, and empowered. Her holistic style supports honest conversation, transparency in treatment options, and patient-centered goals.

Serena begins with a comprehensive assessment to understand each patient's full story—biological, psychological, and social. She then partners with patients to develop personalized, evidence-based treatment plans that align with their values and goals. She emphasizes education, transparency, and regular follow-up to support ongoing progress and informed decision-making.

Dr. Weasen is a board-eligible adult psychiatrist with Talkiatry. He received his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University in Philadelphia. He then moved to Washington, D.C. to complete his residency training at Saint Elizabeths Hospital, where he served as Chief Resident during his final year. He is a member of the American Psychiatric Association (APA) and has presented at the APA Annual Meeting on the topic of virtual fatigue. He has had extensive experience working with a wide array of patients, including college/graduate students, geriatric patients, military veterans, and LGBTQ+ populations.

Dr. Weasen provides a combination of medication management and supportive psychotherapy. Occasionally, he may work with you on finding additional support as well, including bringing on a dedicated therapist as part of your treatment team. He believes in tailoring treatment to each person’s needs. He primarily treats mood disorders, anxiety disorders, ADHD, PTSD, OCD, and insomnia, but believes in seeing beyond the diagnosis and focusing on the individual first and foremost.