Skip to main content

Geoffrey Peckover, MD

Staff Psychiatrist
Languages
English
SPECIALTIES
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Postpartum Depression

Education and training

• Ross University School of Medicine, MD

• Metropolitan Hospital Center, Residency

Get to know

Geoffrey Peckover, MD

Dr. Peckover is a Staff Psychiatrist at Talkiatry. He is certified by the American Board of Psychiatry and Neurology in Adult Psychiatry. He has been practicing for three and a half years. Dr. Peckover provides patient-centered care with an emphasis on medication management, psychoeducational, and lifestyle adjustments. He typically provides supportive or integrative therapy along with medication management, but some cases will require the addition of a therapist to the treatment team. Dr. Peckover received a Bachelor's of Medical Science from the University of Western Ontario in Canada and received his Medical Degree from Ross University. He completed his residency at Metropolitan Hospital in Manhattan, where he served as chief resident in his final year. He then worked as a psychiatrist in the outpatient department at Kings County hospital, where he also supervised residents from SUNY Downstate. As an outpatient psychiatrist, Dr. Peckover has an extensive history of treating patients of all ages with a wide variety of psychiatric disorders, with an emphasis on mood and anxiety disorders. He treated patients remotely during the COVID-19 outbreak, helping to manage the increase in stress that came with the pandemic.

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

Abigail Skinner, LCSW

Staff Therapist

Abigail Skinner, LCSW, is a licensed clinical social worker with over five years of psychotherapy, behavioral health integration, and program leadership experience in medical and community-based settings. She earned her Master of Social Work degree from Touro College and completed Seminar in Field Instruction (SIFI) at Columbia University. Abigail has specialized training in LGBTQ+ mental healthcare through Callen-Lorde Community Health Center, post-graduate training in relational psychoanalysis from The Stephen Mitchell Institute of Relational Studies, and advanced certification as a Behavioral Health Integration Specialist.

Abigail’s style is thoughtful and relational, emphasizing curiosity, trust, and authenticity. She believes each person’s story matters and works collaboratively to understand patterns, relationships, and strengths that can foster lasting change. Patients can expect a warm, supportive environment that balances compassion with structure—helping individuals explore challenges, identify meaningful goals, build self-awareness, and develop skills that support long-term emotional well-being.

Abigail begins treatment by building a strong, collaborative therapeutic relationship grounded in respect and trust. During initial sessions, she takes time to understand each patient’s history, concerns, and goals, then develops a personalized treatment plan tailored to their unique values and needs. She integrates evidence-based practices with a relational, trauma-informed approach, using behavioral health strategies, psychoeducation, and supportive interventions. Abigail emphasizes open communication, regular check-ins, and ongoing review of progress to ensure care remains adaptive, collaborative, and effective.

Shanika Smith, PMHNP

Staff Nurse Practitioner

Shanika is a dedicated and compassionate board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with over a decade of experience in the mental health field. She holds a Bachelor of Science in Nursing, a Masters in Nursing Education, and a Post-Master’s Certificate as a Family Psychiatric Nurse Practitioner. Shanika is known for her patient-centered approach, prioritizing empathy, respect, and individualized care. She is committed to building strong therapeutic relationships grounded in trust and open communication.

New patients can expect a warm, non-judgmental environment where they feel heard and supported. Shanika collaborates closely with each patient to create personalized treatment plans, helping them feel empowered in their mental health journey.

Shanika begins with a comprehensive psychiatric evaluation to understand each patient’s history, symptoms, and goals. Her treatment may include medication management, supportive therapy, and psychoeducation. She specializes in anxiety, depression, bipolar disorder, ADHD, trauma/PTSD, mood disorders, and women’s mental health. Shanika has extensive experience providing care for both adolescents and adults in outpatient settings, with a particular focus on underserved communities.

Rishell Tsujimoto-Ryzewski

Staff Psychiatrist

Dr. Tsujimoto-Ryzewski is a board-certified adult psychiatrist. She received her medical degree from the University of Nevada, Reno School of Medicine. She completed her residency at the University of Nevada, Reno School of Medicine, where she served as a chief resident during her last year of training. Dr. Tsujimoto-Ryzewski has treated patients with a wide variety of diagnoses both during her residency and after her training while working at a busy private practice clinic as well as for the Veterans Administration. Dr Tsujimoto-Ryzewski focuses on medication management and supportive psychotherapy. If she feels that additional therapy is needed, she will ask that you bring in a therapist as part of the treatment team. Dr. Tsujimoto-Ryzewski will work collaboratively with you in a caring environment to assist you in reaching your goals.

Karla Garcia-DiGioia, MD

Staff Psychiatrist

Dr. Karla Garcia is a board-certified psychiatrist trained in Adult Psychiatry. She graduated from the University of Notre Dame with a Bachelor of Science and a Master of Education. She then went on to complete her medical education and residency training at the University of Chicago. She is board certified in Adult Psychiatry by the American Board of Psychiatry and Neurology.

Dr. Garcia believes in patient-centered care, seeking to care for the whole person.  She values the therapeutic relationship, working to guide patients in their treatment while also encouraging patients to take an active role in their care. Dr. Garcia cares about getting to know you as a person and helping you reconnect with your values. Her clinical approach is holistic, collaborative, and supportive.

Dr. Garcia focuses on evidence-based treatments for psychiatric illness that utilize a combination of medications and psychotherapy. Using a range of skills and interventions, Dr. Garcia believes in a multi-faceted approach to treatment.

Dr. Garcia has experience working in a wide variety of inpatient, emergency, partial hospitalization, intensive outpatient, and outpatient psychiatric settings and in treating a broad spectrum of psychiatric disorders including depression, anxiety, bipolar disorder, trauma, substance use disorders, personality disorders, ADHD, and OCD. She treats patients in English and Spanish.

Michele Schaefer, MD

Staff Psychiatrist

Background and credentials

Dr. Schaefer is a board-certified adult psychiatrist with over 16 years of experience. She earned her medical degree from the University of Nebraska Medical Center in Omaha, NE, and completed her adult psychiatry residency at Oregon Health and Science University in Portland, OR. She then specialized further by completing a forensic psychiatry fellowship at Yale University. She has worked as a staff psychiatrist at Atrium Health System for over 16 years.

Treatment approach

Dr. Schaefer’s practice primarily focuses on medication management, which she offers in conjunction with supportive therapy and elements of cognitive-behavioral therapy (CBT). She takes a patient-centered and collaborative approach, ensuring that treatment is tailored to each individual’s needs. If additional therapy is required, she may recommend working with a therapist as part of a comprehensive care plan. Her primary focus areas include depression, anxiety disorders, and obsessive-compulsive disorder (OCD).

What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation, where Dr. Schaefer carefully assesses their symptoms, treatment history, and mental health goals. She works collaboratively with patients to develop a personalized treatment plan, which may include medication management and therapy recommendations. Follow-up visits are typically 30 minutes and focus on monitoring progress, adjusting treatment as needed, and ensuring the best possible patient outcomes.

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.

Lisa Carroll, LCSW

Staff Therapist

Lisa Carroll is a Licensed Clinical Social Worker with 24 years of experience treating everything from adjustment disorders to Depressive Disorders, Anxiety disorders, and trauma, is eager to help others suffering from mental health issues or just adjusting to new circumstances. She has an eclectic approach to care and treatment based on strengths and person-centered care utilizing cognitive behavioral therapy, motivational interviewing, solution focused approaches, Rogerian theory, mindfulness, dialectal behavior therapy, narrative therapy, psychodynamic theory, cognitive processing therapy and many others. She is more eclectic in her approach because people are different and need a style that fits their individual needs. She is always seeking feedback from her clients to improve clinical outcomes. She does what is necessary and required to make this the best treatment anyone can get. She wants everyone she treats to reach their full potential. Lisa was trained as an undergraduate in psychology at the University of Alabama, graduating in 1991. She received her MSW in 1997 from the University of Alabama. She became licensed clinically in 2000. She has extensive experience and training in a variety of modalities and therapeutic interventions.

Ready to get matched?

Start our short assessment
Specialties
ADHD
Anxiety
Bipolar Disorder
Depression
LGBTQIA+
Obsessive-compulsive disorder (OCD)
PTSD/Trauma
Phobias
Postpartum Depression
States
New York
Connecticut
Languages
English
Takes insurance
Virtual visits
3 years experience