Sarita Sharma, MD

Janee Stokes is a highly experienced and dual-certified nurse practitioner, specializing in adult gerontology and psychiatry. With over 20 years of experience as a registered nurse, she brings a comprehensive background in healthcare, having worked with diverse patient populations ranging from young children to older adults.

In 2015, she earned her Master of Science in Nursing (MSN) and became certified as an adult gerontology nurse practitioner. She later expanded her expertise by obtaining certification in psychiatry, enabling her to provide holistic care for individuals with mental health needs. Her leadership roles have included serving as lead nurse practitioner and associate director of psychiatry at a federally qualified health center, where she played a key role in guiding healthcare teams and delivering quality care to underserved communities.

Janee emphasizes education as a core component of her care approach. She builds strong rapport through clear communication and trust, incorporating techniques such as Cognitive Behavioral Therapy (CBT) and motivational interviewing to support her patients’ needs. This approach empowers individuals to take an active role in their treatment journey.

Her care process is guided by each patient’s goals, integrating evidence-based practices to ensure personalized and effective support that aligns with their unique needs and aspirations.

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Dr. Nelson is a board-certified psychiatrist who attended the University of Iowa Medical School and completed her psychiatry residency and child and adolescent psychiatry fellowship at Walter Reed National Military Medical Center.  She has extensive experience treating active-duty service members, family members of active duty and the veteran population.  She feels comfortable working with a wide range of age groups and enjoys treating challenges with anxiety, mood, sleep, and concentration.

Dr. Nelson believes that the key to success in mental health care is being able to establish a trusting and open relationship between psychiatrist and patient.

While initial sessions include the need to gather background information about the patient overall as well as the symptoms of concern, subsequent sessions are focused on learning the impact of the treatment.

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Dr. Deringer is a psychiatrist with board certification in general psychiatry and addiction psychiatry. She earned her M.D. from the University of Michigan Medical School, and she completed her psychiatry residency and addiction psychiatry fellowship training at New York University. She has previously held faculty roles at New York University School of Medicine and Harvard Medical School. She has been involved in training the next generation of psychiatrists through her past work on the Program Director team for the MGH-McLean Psychiatry Residency Program. She has expertise in treating adults with mood disorders, anxiety disorders, substance use disorders, personality disorders, trauma, and ADHD.

Dr. Deringer cares deeply about understanding each patient's unique experience.  She recognizes that mental health symptoms are impacted by an individual's biological make-up, social situation, and their individual way of interacting with others in the world.  She will assess all of these factors and work with you to develop an appropriate treatment plan to help you feel better and meet your goals.  She incorporates supportive psychotherapy into all of her patient meetings; this may include discussions of the role of nutrition, exercise, and sleep habits in your overall well-being.

Dr. Deringer will begin the evaluation process with a thorough one-hour session in which we will discuss your current symptoms, your prior treatment history, your medical history, and your goals for treatment.  At the end of that session, she will begin to formulate her diagnostic impression and treatment recommendations.  Sometimes, the evaluation process may require more than one session, and it may be helpful for Dr. Deringer to gather information, with your permission, from prior treatment or to collaborate with your therapist if you have one.  Dr. Deringer will work with you on a medication treatment plan, if clinically indicated, to help you manage your symptoms and achieve your treatment goals.

Dr. Ahmed Valdes is a board certified adult psychiatrist and burgeoning Geriatric Psychiatrist. After completing his undergraduate education at Florida State University, he attended medical school at the University of Miami Miller School of Medicine where he graduated with a combined M.D./M.S. in Genomic Medicine. He subsequently completed psychiatry residency at Jackson Health System/University of Miami and further subspecialized with a fellowship in Geriatric Psychiatry. Dr. Valdes has had the opportunity of working with a diverse array of patients including veterans, inmates, the severely mentally ill, geriatric, and cancer patients across three distinct hospital systems. Dr. Valdes has had varied clinical experiences in specialty inpatient psychiatry units (detox, geriatric, mood disorder), emergency psychiatry, consultation liaison psychiatry, psycho-oncology, and outpatient specialty clinics (HIV, dementia, integrative and collaborative care) via telemedicine and face to face interactions .Dr. Valdes has experience working with adults of all ages, particularly those with depression, anxiety, bipolar disorder, substance use disorders, PTSD, and more. Dr. Valdes employs empathic listening, supportive psychotherapy techniques, and a comprehensive and methodological approach to his visits. Given his broad and diverse training experiences, he enjoys problem solving and working collaboratively with patients to navigate their complex issues and jointly focusing on simple solutions to work towards improving their mental health.

Cassandra Thomas-Jingles is a dedicated, board-certified Psychiatric Nurse Practitioner with dual certification as a Family Nurse Practitioner. She is deeply passionate about helping others and takes a holistic, evidence-based approach to mental healthcare, empowering patients to live life to their fullest potential.

Her practice focuses on medication management and supportive therapy, offering 30-minute follow-up sessions. When additional therapy is needed, she recommends including a therapist in the care team to ensure the best possible outcomes. With extensive experience in both outpatient and inpatient settings, Cassandra has worked with adults and children facing a wide range of mental health conditions, including ADHD, anxiety, depression, and psychotic disorders. She strongly believes in prioritizing client involvement and fostering interprofessional collaboration.

Your mental health journey is unique, and Cassandra is here to listen with compassion and without judgment. All conversations are confidential, and her goal is to create a safe, welcoming space where you feel comfortable sharing your thoughts and concerns.

During your initial appointment, Cassandra will review your mental health history, current symptoms, lifestyle factors, and any previous treatments to gain a comprehensive understanding of your needs. Together, you will develop a personalized treatment plan that may include therapy, medication, or other supportive strategies. She values shared decision-making, ensuring your input is considered at every step of the process.

If medication is part of your treatment, Cassandra will clearly explain its benefits, potential side effects, and how your progress will be monitored. Adjustments can be made as needed to achieve the best possible outcome.

Healing takes time, and Cassandra is committed to supporting you throughout the process. Follow-up appointments are essential for tracking progress, making necessary adjustments, and ensuring you receive the care you need.

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Dr. Catherine Shim is a board-certified psychiatrist and completed her training at the University of Washington, where she received additional certifications in Psychotherapy and Community Psychiatry.  Prior to joining Talkiatry, she spent years serving the mental health needs of underserved communities as well as our Veteran population.  Dr. Cat is excited to bring that same dedication and selfless service to her Talkiatry patients!

Dr. Cat is experienced in managing a multitude of mental health conditions, but her specialty is providing behaviorally oriented trauma-informed care.  Her approach is to treat primarily through psychotherapy and behavioral change, with medication management serving as an important (and often essential) adjuvant to optimizing mental health.

Dr. Cat tends to have a very casual engagement style, so expect a frank but open conversation during your first meetings with her.  Following that initial screening, anticipate a candid discussion about her approach to your condition and an initial treatment plan.  Please feel free to bring up any questions or concerns at any time during this process, and note-taking is highly encouraged!

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