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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.

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Leah Clary, LPC

Staff Licensed Professional Counselor

Leah E. Clary is a Licensed Professional counselor at Talkiatry. She has years of experience working with individuals of all ages from childhood to older adults. Leah E. Clary utilizes an eclectic counseling style. She understands that each and every person is unique and has individual needs, and is willing to adapt to what would benefit the individual. Leah believes that coordinating with all providers is important to achieving successful therapeutic experiences for the length of the engagement. After receiving her master's degree from Liberty University, Leah participated in an internship in Philadelphia working with first responders for crisis debriefing. While participating in this program, Leah also actively worked as an older adult protective services investigator within the city limits. In order to achieve her goal of becoming an LPC, Leah began working with families in a community-based program focusing on relational components. In this program, Leah worked with therapists of different backgrounds, building on her knowledge of communication techniques and team-based therapy, and even training new team members as needed. Throughout her professional career, Leah has worked with individuals with various diagnosed and undiagnosed conditions and adapted to their individual needs. Her passion is to assist the underserved demographic of individuals working through infertility issues and processing the idea of adoption.

Nereida Gonzalez-Berrios, MD

Staff Psychiatrist

Background and credentials

Dr. Nereida Gonzalez-Berrios is a general psychiatrist fluent in English and Spanish. She earned her bachelor’s degree in Microbiology from the University of Puerto Rico and her medical doctorate from Ponce School of Medicine (now Ponce Health Sciences University). She completed her General Psychiatry Training Program at the University of Puerto Rico Medical Sciences Campus, graduating in 2008. After practicing privately in Puerto Rico, she relocated to Texas, where she worked for over five years at the Michael E. DeBakey VA Health System, providing mental health care to veterans. She has also gained extensive experience in telemedicine, working both within the VA system and as a locum tenens provider.

Treatment approach

Dr. Gonzalez-Berrios has extensive experience treating a wide range of psychiatric conditions, including mood disorders, anxiety disorders, psychotic disorders, intellectual impairment, ADHD, eating disorders, PTSD, and personality disorders. She integrates traditional psychiatric treatment with a holistic wellness approach, drawing on her background as a motivational speaker, wellness coach, certified personal fitness trainer, nutrition coach, and weight-loss specialist. Her approach emphasizes improving overall mental and physical well-being through personalized treatment plans that incorporate psychiatric care, wellness strategies, and lifestyle modifications.

What you can expect in a first visit

Patients can expect a comprehensive psychiatric evaluation where Dr. Gonzalez-Berrios carefully assesses their symptoms, medical history, and personal wellness goals. She takes a collaborative and patient-centered approach, ensuring that treatment is tailored to each individual’s mental and physical health needs. As an experienced telemedicine provider, she offers accessible and flexible mental health care, combining medication management and holistic wellness strategies to help patients achieve lasting well-being.

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.

Cory Alfers, DO

Staff Psychiatrist

Dr. Alfers is a board-certified psychiatrist specializing in adult psychiatry. He has been practicing for over 11 years. He completed his undergraduate education at Virginia Tech, graduating Cum Laude with degrees in Biology and Chemistry. Following graduation, he attended a research internship at the National Institutes of Health where he received a Post-baccalaureate Intramural Research Training Award. Dr. Alfers completed his medical degree from the Western University of Health Sciences in Pomona, CA. He completed his General Psychiatry Residency at Georgetown University, where he served as Chief Resident. After residency, he entered private practice in McLean, VA. Dr. Alfers takes a comprehensive approach to patient care. He integrates biological, psychological, and environmental factors into treatment planning. He focuses on developing a meaningful therapeutic relationship and providing medication interventions for specific treatment goals. Dr. Alfers provides interpersonal psychotherapy in conjunction with medication management services. Dr. Alfers has a special interest in the treatment of multiple mental health conditions, including depression, anxiety, bipolar disorder, PTSD, ADHD, and OCD. Dr. Alfers treats adults ages 18 to 65 years old. For established patients of Dr. Alfers, please call 917-634-5311 to schedule an appointment and let the care coordinator know you are an established patient.

Sahar Ali, MD

Staff Psychiatrist

Dr. Ali is a lifelong New Yorker who has always been fascinated by the complexity of the human mind, behavior, and experience. Growing up in a vibrant and diverse city, she developed a deep appreciation for how culture, environment, and individual background shape a person’s psychological well-being. Driven by this passion, she pursued her medical degree at SUNY Downstate Health Sciences University, where she gained a strong foundation in both the biological and psychosocial aspects of medicine. She then completed her general psychiatry training at SUNY Stony Brook University Hospital, where she worked closely with a diverse patient population from varied religious, cultural, socioeconomic, and age groups.

Dr. Ali prioritizes open communication and mutual trust, creating a safe, nonjudgmental environment where patients feel respected and empowered to actively engage in their care. She integrates psychotherapy techniques and takes a holistic, person centered approach to treatment.

Dr. Ali believes in collaboration and shared understanding grounded in evidence-based therapies. Her typical process includes developing individualized treatment plans aimed at symptom relief, improved functioning, and overall quality of life. Beyond medication management, she incorporates psychotherapy techniques and psychoeducation to help patients build coping skills and insight.

Stephane Louis, LMFT

Staff Therapist

Dr. Stephane Louis, LMFT, QS, earned a B.S. in Psychology and Biblical Studies from Palm Beach Atlantic University, followed by her M.S. and PhD in Marriage and Family Therapy from Nova Southeastern University. In 2020, she was featured in Forbes for her study of resilience and intersecting identities in queer women of Afro-Caribbean descent. Past roles include bilingual mental health assessor, psychology instructor at Broward College, and Student Counselor at Lynn University. As a therapist, Dr. Louis’ work has given her in-depth insight into how multiple systems and important relationships can influence the course of a person’s life.

As a queer woman of Haitian descent, Dr. Louis explores different ways the intersectionality of culture, family, identity, and sexuality can impact our lives. She is fascinated by stories of vulnerability, always looking for strengths and solutions. She helps people feel safe to be themselves and go from where they are to where they can be.

Dr. Louis provides individual, couples, and family therapy, integrating Accelerated Resolution Therapy (ART), Solution-Focused Therapy, collaborative conversations, and systemic approaches to address LGBTQ+ issues, racial trauma, cultural identity exploration, and relational wounds. Dr. Louis will meet you where you are and help you grow into the most authentic version of yourself.

Sujith Maracheril, MD

Staff Psychiatrist

Dr. Sujith Maracheril is a board-eligible psychiatrist who provides comprehensive patient care while building a physician-patient relationship centered on communication, empathy, and respect. His primary focus is medication management, and he also provides supportive psychotherapy to help patients work toward long-term improvements. While aligning treatment toward patient goals, he takes a practical approach to changes that can be made to empower patients in their lives. Dr. Maracheril is a graduate of the Sophie Davis Biomedical Education Program at the CUNY School of Medicine, a 7-year BS/MD program. He completed his residency training in psychiatry at the Zucker School of Medicine/Northwell Health at Mather Hospital. He has trained in many settings including inpatient psychiatric units, general and specialized outpatient clinics, and at a partial hospitalization program. Dr. Maracheril has experience treating a broad range of mental health conditions including depressive disorders, bipolar disorder, anxiety disorders, ADHD, and OCD. He understands that people may experience these conditions in different ways, and he aims to treat each patient in an individualized and holistic way.

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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