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Seth Mandel, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Geriatric
Medication Management

Education and training

  • Hofstra University Master of Business Administration (MBA)
  • University of Pennsylvania School of Medicine Doctor of Medicine (MD)
  • University of Pennsylvania Bachelor of Arts (BA)
  • Mount Sinai Medical Center New York, NY (Residency)

Get to know

Seth Mandel, MD

Dr. Mandel received his Bachelor of Arts and Doctor of Medicine degrees from the University of Pennsylvania. He completed his Residency in Psychiatry at Mount Sinai Medical Center in Manhattan. He has been board certified in psychiatry since 2001 and is a Life Fellow of the American Psychiatric Association. He has held numerous clinical and academic appointments including serving as Chairperson of Psychiatry at Huntington Hospital in Huntington, New York, and Assistant Professor of Psychiatry at Hofstra North Shore-LIJ School of Medicine.

Dr. Mandel has over 25 years of clinical experience treating all mental health conditions. He has a strong interest in mood and anxiety disorders, including work-related anxiety. He authored a section on the pharmacology of social anxiety in the book Work Makes Me Nervous. Dr. Mandel also has expertise working with clients diagnosed with borderline personality disorder. He has lectured on the pharmacologic management of this condition, including a presentation at the NIMH International Think Tank for the More Effective Treatment of Borderline Personality Disorder.

Dr. Mandel continually seeks to streamline complex medication regimens. He has completed a fellowship in integrative psychiatry and carefully considers the potential contributions of lifestyle and nutrition to overall mental health and well-being. By taking an eclectic approach, Dr. Mandel is able to achieve the best possible outcome for all whom he is privileged to serve.

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Alexander Wittenberg, DO

Staff Psychiatrist

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.

Jennifer Ruch, DO

Staff Psychiatrist

Dr. Jennifer Ruch is a board-certified psychiatrist who strives to understand her patients' lived experiences and aspirations to develop supportive therapeutic relationships through empathetic listening, mutual trust, and respect. She collaboratively creates individualized care plans that align with personal treatment goals in a safe and judgment-free environment. After completing her Bachelor of Science degree in Human Biology with a focus in psychology from the University of California, Merced, she earned her medical degree from Lake Erie College of Osteopathic Medicine. Dr. Ruch completed her General Psychiatry Residency at Arnot Ogden Medical Center in New York. Her clinical experience involves treating individuals of all age groups from diverse populations and socioeconomic backgrounds suffering from anxiety, depression, bipolar disorder, psychotic disorders, neurodevelopmental disorders, and neurocognitive disorders. She has provided care in inpatient and outpatient psychiatric facilities, the Veterans Affairs Medical Center, emergency rooms, state facilities, and an inpatient chemical dependency center. She also performed pre-procedure psychological evaluations for bariatric and spinal cord surgeries, and psychiatric consult liaison services on medical units and has clinical training in inpatient and outpatient neurology. Her clinical experience incorporated treatment modalities such as pharmacotherapy and interventional psychiatry, including Transcranial Magnetic Stimulation and Spravato. Dr. Ruch integrates a wide array of psychotherapy as needed; however, her practice primarily focuses on medication management while utilizing referrals to therapists and providing collaborative care for optimal outcomes.

James Lee, MD

Staff Psychiatrist

Dr. Lee is a board-certified psychiatrist who specializes in adult psychiatry and minority mental health. He is a graduate of Morehouse College and later received his medical degree from Meharry Medical College in Nashville, TN. After graduating from Meharry, he completed his psychiatry residency at the University of South Carolina/ Palmetto Health in Columbia, SC and a forensic psychiatry fellowship at Tulane University. After completing his training, he entered private practice in Rock Hill, SC and served the community for 11+ years. During that time, he also served as Staff Psychiatrist at Winthrop University. Prior to joining Talkiatry, Dr. Lee served as an Attending Psychiatrist and Medical Director of an inpatient psychiatric unit. Throughout his professional career, he has remained passionate about educating individuals about sustaining better mental health and eradicating the stigma of mental illness. Dr. Lee brings a vast array of knowledge to Talkiatry. He has experience treating various psychiatric disorders including depression, anxiety, bipolar disorder and ADHD. His approach focuses on evidence-based medication management and incorporates supportive therapy techniques as well as psychoeducation to address the presenting issues in a compassionate and competent manner. If additional therapy is needed, Dr. Lee may recommend that a therapist is part of the treatment team.

Greta Hicks Brooks, LPCC

Staff Therapist

With over two decades in the counseling field, Greta Hicks-Brooks, LPC, is a seasoned and devoted professional at Talkiatry. Earned her most recent licensure credential, and the one recognized in California is Licensed Professional Clinical Counselor (LPCC). Her background includes roles as a Special Education Teacher, Psychology Instructor, Executive Director, Lead Therapist at an outpatient drug treatment facility, Vocational Rehabilitation Counselor, and Disability Services Counselor.

Greta holds a BA in Psychology from Tuskegee University, an MS in Counseling & Human Development from Troy University, and an MEd in Rehabilitation Counseling from Auburn University. She is licensed in Texas, Colorado, California, and Arizona, and is also a Certified Rehabilitation Counselor (CRC).

Highly structured yet comical, Greta creates a nonjudgmental environment where patients feel comfortable being themselves. Each month, she helps patients set three short-term goals, reflect on accomplishments, and note things they are grateful for—supporting growth, self-awareness, and emotional balance.

During the first session, Greta discusses the reasons for seeking therapy, preferred treatment approaches, and session frequency. She provides homework and clear follow-up focus points, drawing from Client-Centered, Cognitive Behavioral, Dialectical Behavior, Motivational Interviewing, Solution-Focused, and Trauma-Focused therapies. Greta meets clients where they are, fully committed to guiding those ready to make meaningful, lasting change.

Barbara Pack, LPCC

Staff Therapist

Barbara (Barb) Pack is a Licensed Professional Clinical Counselor with the Supervision Endorsement and a Licensed Independent Chemical Dependency Counselor, Clinical Supervisor Endorsement who has been providing mental health treatment for over 24 years and addiction treatment for over 27 years. Barb utilizes a combination of approaches in working with her clients, including person-centered, cognitive behavioral therapy, motivational interviewing, solution focused techniques, and a variety of other techniques. She has experience in several different types of treatment settings and treatment modalities in both Ohio and Florida. Barb enjoys working with individuals who also have co-occurring disorders, both mental health and substance use. Barb has experience working with a wide range of age groups and mental health issues including but not limited to depression, anxiety, trauma, stress management, grief, relationship issues, and a wide range of substance use issues. She will assess individuals' needs in their first few visits and work with them to develop an individualized treatment plan. Barb works to provide the empathetic listening and emotional support that her clients need to reach their goals. Her dream has been to work herself out of a job, as she wants to help her clients find healing and happiness. Barb attended the University of Akron for graduate school in a Community Counseling Program and attended Malone College, now University, and majored in Psychology.

Anantharam Peesapati, MD

Staff Psychiatrist

Dr. Anantharam Peesapati is a board-certified adult psychiatrist who graduated from General Psychiatry Residency training at Rutgers Robert Wood Johnson Medical School. There, he honed his skills by treating a diverse patient population suffering from various diagnoses, including major depression, bipolar disorder, anxiety disorders, PTSD, ADHD, and substance use disorders. Prior to residency, Dr. Peesapati earned his medical degree from Florida Atlantic University Charles E. Schmidt College of Medicine & his bachelor's degree in Psychology with a specialization in Behavioral & Cognitive Neuroscience from the University of Florida. Dr. Peesapati is committed to providing comprehensive care to his patients, with a focus on medication management & psychoeducation, as well as supportive psychotherapy and cognitive-behavioral therapy. His approach is guided by psychodynamic principles and steeped in mindfulness, ensuring a holistic and personalized treatment plan for each individual. Dr. Peesapati's goal is to help every patient achieve their best mental health and well-being, which may include collaboration with a therapist while also considering the impact of lifestyle on their health.

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Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Geriatric
Medication Management
States
Florida
Washington D.C.
Nebraska
New Jersey
South Dakota
Languages
English
Takes insurance
Virtual visits
years experience