Skip to main content

Alexander Wittenberg, DO

Staff Psychiatrist
Languages
English
Conditions Treated
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Postpartum Depression

Education and training

• New York Institute of Technology College of Osteopathic Medicine

• Mount Sinai Beth Israel

Get to know

Alexander Wittenberg, DO

Background and credentials    

Dr. Alexander Wittenberg is a board-certified adult psychiatrist. He received his undergraduate degree from Cornell University, majoring in Human Biology, Health, and Society. He earned his medical degree from the New York Institute of Technology College of Osteopathic Medicine, where he was a  member of the Psi Sigma Alpha Osteopathic Honor Society. As chief resident at  Mount Sinai Beth Israel, he gained extensive experience working in outpatient  settings and managing patient care at one of New York City's busiest clinics. Dr. Wittenberg has expertise in treating a wide range of mental health conditions, including depressive disorders, anxiety disorders, bipolar disorder, trauma and stressor-related disorders, and OCD.    

Treatment approach    

Dr. Wittenberg offers highly individualized and empathic treatment, primarily focusing on medication management. He frequently recommends integrating therapy into treatment plans and may suggest collaborating with a therapist. Dr. Wittenberg prioritizes a holistic approach, emphasizing overall well-being alongside symptom relief. He encourages the incorporation of mindfulness, self-compassion, exercise, nutrition, and attention to interpersonal relationships into his treatment strategy.    

What you can expect in a first visit    

During an initial visit with Dr. Wittenberg, patients can anticipate a collaborative, patient-centered, and non-judgmental environment designed to foster a meaningful therapeutic relationship. He will thoroughly discuss individual concerns and treatment goals, exploring potential therapeutic interventions, including medication management and holistic strategies to support mental health and overall wellness.

   

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.

Get matched with a clinician like this one

Ready to book your first appointment? Take our 10-minute assessment. We’ll match you with a clinician who meets your needs, has availability, and takes your insurance.

Get started
More Clinicians

Anh Tran, MD

Staff Psychiatrist

Dr. Anh Tran completed undergraduate studies, medical school, and psychiatry residency training at Saint Louis University. Following training, Dr. Tran joined the Department of Veterans Affairs, where they provided care in an outpatient setting with both telehealth and in-person services. With this experience, Dr. Tran brings a strong clinical background and a dedication to supporting patients through accessible and personalized psychiatric care.

New patients can expect Dr. Tran to respect their time and autonomy while working together to establish shared treatment goals. Dr. Tran values open candor and punctuality, aiming to create a therapeutic relationship grounded in mutual trust, transparency, and collaboration.

During the first visit, Dr. Tran takes a comprehensive history and background to determine if the therapeutic relationship is the right fit for both patient and provider. Ongoing care typically involves monthly appointments for medication management until stability is achieved, after which visits may shift to quarterly follow-ups. This structured yet flexible approach supports continuity and long-term well-being.

Leanne Booth, PMHNP

Staff Nurse Practitioner

Leanne Booth is a board-certified Family Psychiatric and Mental Health Nurse Practitioner who brings over two decades of experience in psychiatric nursing and advanced practice care. She offers a warm, collaborative approach grounded in empathy and whole-person care. Clients describe her as calm, attentive, and deeply compassionate, and she aims to create a safe, supportive environment where individuals feel heard, respected, and understood.

Leanne believes that trust and honesty are the foundation of effective treatment. She values open dialogue and strives to meet clients where they are, without judgment. Her approach is person-centered and trauma-informed, with a focus on empowering clients in their care decisions. She works closely with each patient to understand their goals, preferences, and challenges, while offering evidence-based treatment tailored to individual needs.

In sessions, Leanne blends medication management with supportive therapy, psychoeducation, and motivational interviewing. She takes a holistic view of each patient’s health, considering possible medical causes for psychiatric symptoms and coordinating with primary care providers when appropriate. Her goal is to provide thoughtful, integrated care that supports clients in achieving long-term wellness.

Jessica Matthews, MD

Staff Psychiatrist

Background and credentials

Dr. Jessica Matthews is a board-certified general psychiatrist. She earned her medical degree from the University of Texas Health Science Center at San Antonio and completed her psychiatry residency at Tripler Army Medical Center in Honolulu, HI. After her training, she was stationed at Fort Hood, TX, where she worked as a staff physician in the inpatient unit at Carl R. Darnall Army Medical Center and later became the inpatient medical director. She subsequently transitioned to outpatient care, serving as a staff physician and later as clinic chief in the outpatient embedded behavioral health clinics. She continued working as a staff physician after leaving the military.

Treatment approach

Dr. Matthews specializes in medication management, often incorporating supportive and cognitive-behavioral-focused therapy into treatment. Follow-up visits typically last 30 minutes, during which she evaluates progress and adjusts treatment as needed. She takes a collaborative approach and may recommend additional therapy when she believes it will optimize patient outcomes. Her primary areas of focus include treating adults with depression, anxiety, and stress/trauma-related disorders.

What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation where Dr. Matthews takes the time to understand their symptoms, history, and treatment goals. She prioritizes a structured yet patient-centered approach, discussing medication management options while considering therapeutic interventions tailored to individual needs. If necessary, she may recommend additional therapy as part of a well-rounded treatment plan.

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.

Jennifer Snowden, MD

Staff Psychiatrist

Dr. Jennifer Snowden completed medical school at the University of Arkansas for Medical Sciences in Little Rock, Arkansas in 1995. She then completed a residency in general psychiatry at Emory University in Atlanta, Georgia, followed by a fellowship in forensic psychiatry also at Emory University in Atlanta, Georgia from 1995-2000. She spent ten years practicing forensic psychiatry at a state hospital in Atlanta. She then decided that she wanted to travel and spent eighteen months as a locum tenens psychiatrist primarily practicing in New England. During this time, she met her future husband and they decided together that they eventually wanted to live in the New England area. In 2013, she officially became a telepsychiatrist, which eventually provided her with the opportunity to move to Rhode Island and practice out of the home she and her husband bought there. She initially saw patients via telepsychiatry at a community mental health center in rural Georgia and later took a position as a remote consultant telepsychiatrist at Acadia Hospital in Bangor, Maine. Dr. Snowden uses a practical and realistic approach with patients to assist them in identifying small, attainable goals and then motivating them to achieve those goals. She prefers to work with adults and relishes the opportunity to work with patients who are highly motivated for change.

Cassandra Thomas-Jingles, PMHNP

Staff Nurse Practitioner

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.

Michael Miller, MD

Staff Psychiatrist

Dr. Michael Miller earned his medical degree with honors and completed his residency in Adult Psychiatry at the University of Kentucky College of Medicine. He has worked across a wide range of clinical settings, including inpatient, outpatient, community clinics, and state hospitals. Dr. Miller is also trained in multiple psychotherapy modalities, equipping him to meet diverse patient needs.

Dr. Miller values creating a safe and nonjudgmental space where patients can speak openly about their experiences and goals. He believes in a collaborative approach, working with patients to discover strategies that best suit their lives. He also takes into account lifestyle factors that may influence mental health, supporting a well-rounded and sustainable path to wellness.

Dr. Miller begins care with a comprehensive conversation about current concerns, past mental health, physical health, and life experiences. From there, he works with patients to create a personalized treatment plan—whether through therapy, medication, lifestyle adjustments, or a combination. Follow-ups focus on refining the plan to ensure it continues to support the patient’s journey.

Ready to get matched?

Start our short assessment
Specialties
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Perinatal Psychiatry
Postpartum Depression
States
New York
New Jersey
Languages
English
Takes insurance
Virtual visits
4 years experience