Caitlin Gardiner, MD

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Dr. Caitlin Meyer is a board-certified in adult psychiatry with experience in a wide variety of psychiatric disorders including depression, anxiety, women's mental health, and ADHD. Dr. Meyer's practice is focused on medication management with supportive therapy offered in 30-minute follow-up visits. Dr. Meyer received her medical degree from the University of Texas Southwestern Medical Center in Dallas, Texas, where she received the North Texas Society of Psychiatric Physicians' Award for outstanding medical student in Psychiatry. She pursued her residency in adult psychiatry at Brown University in Providence, Rhode Island, with particular interest and training in child, adolescent, and young adult Psychiatry. After completing training, Dr. Meyer worked with children and adults in a variety of treatment settings including Community Mental Health Centers and hospitals, providing inpatient, residential and outpatient services. Prior to joining the Talkiatry team, Dr. Meyer participated in psychiatric research developing new treatment methods for complex psychiatric disorders. Dr. Meyer enjoys treating patients across the lifespan from young adulthood through senior care. She sees each patient as a unique individual and works together with her patients to develop a treatment plan specific to their needs and goals.

Caitlin Tillberg, MD

Staff Psychiatrist

Dr. Caitlin Tillberg (she/her) is a board-certified psychiatrist. She has a BA in musicology and cognitive science from Oberlin College, an MD from Quinnipiac University in Connecticut, and completed general adult psychiatry residency at Duke University. Dr. Tillberg practices patient-centered and trauma-informed care, valuing patient autonomy and collaborative decision-making, acknowledging the burden many people carry from intersecting oppressions. She believes therapy is important � often equally important as medication, or more � and will work together with you to make a realistic treatment plan that will fit into your life. Dr. Tillberg also has a niche working with people with complicated relationships with their bodies, whether due to disordered eating, gender dysphoria, chronic illness/disability, or trauma. She welcomes LGBTQ+ patients, including trans and non-binary adults. She also enjoys working with patients with OCD, as well as autistic/neurodivergent adults (including those seeking adult autism evaluation). Please note Talkiatry is most appropriate for autistic patients with Level 1 (or case-by-case Level 2) support needs and who are verbal. Regarding eating disorders: Please note that for patient safety, per Talkiatry policy, Dr. Tillberg is unable to work with patients with current active anorexia nervosa or bulimia nervosa (or significant relapse in the last 6 months), or with patients requiring current regular medical or lab monitoring for complications of binge-eating disorder or ARFID. Bariatric surgery patients are welcome if medically stable. Patients with current disordered eating that does not rise to the level of a formal diagnosis of anorexia or bulimia, or with a past history of anorexia or bulimia in sustained remission, will be evaluated on a case-by-case basis at the first appointment. Dr. Tillberg looks forward to meeting you.

Caitlin Schroen, MD

Staff Psychiatrist

Dr. Caitlin Schroen completed her Psychiatry residency at Rutgers Robert Wood Johnson Medical School in Piscataway, NJ. She received her bachelor's degree in Psychology from Fordham University and then attended medical school at the Lewis Katz School of Medicine at Temple University. Dr. Schroen provides psychiatric services to adults ages 18 and older. She focuses on medication management and psychoeducation, often along with supportive therapy. With a patient-centered approach, Dr. Schroen believes in fostering a safe and non-judgmental environment where individuals can openly discuss their mental health concerns. Dr. Schroen is well-versed in a wide spectrum of psychiatric conditions and offers evidence-based treatments tailored to each patient's unique needs. She has a particular interest in treating mood disorders, anxiety disorders, OCD, and ADHD. Dr. Schroen is passionate about reducing the stigma surrounding mental health and strives to provide the highest quality care to help individuals lead happier and more fulfilling lives.

Lori Peppers, MD

Staff Psychiatrist

Dr. Peppers works with patients to meet the goals that matter to them. She believes that feeling heard and being understood are key factors in a successful treatment relationship.

She has been working in telehealth since 2018. She has worked extensively with patients dealing with trauma from childhood abuse, assaults, combat, and accidents. She also has a lot of experience treating depression, anxiety disorders, bipolar disorder, ADHD, and personality disorders.

After completing her training, Dr. Peppers worked in private practice and in various roles for the Department of Veterans Affairs. She most enjoys working in the clinic because of the long term follow-up.

Dr. Peppers enjoys her work and includes psychotherapy in her appointments. She offers medication options to treat symptoms but also works with patients to examine behaviors and defenses that may be contributing to their problems. For patients who would benefit from more extensive psychotherapy, she may refer patients to a therapist and work collaboratively with the therapist.

She starts off with a thorough evaluation to make a diagnosis. Then, she works with patients to determine what their treatment goals are and develops a treatment plan to meet those goals.

Sallie Jo Hadley, MD

Staff Psychiatrist

Dr. Sallie Jo Hadley holds the position of Staff Psychiatrist at Talkiatry. She is board-certified in psychiatry and pediatrics and is board-eligible in child and adolescent psychiatry. She has been practicing for 22 years. Dr. Hadley's practice is focused on medication management with supportive therapy in follow-up sessions of 15 or 30 minutes. Dr. Hadley is experienced with collaborative treatment and encourages adding a therapist to your care team in those situations where additional therapy might be helpful. Dr. Hadley is a graduate of the Mount Sinai School of Medicine's triple-board program (psychiatry, pediatrics, and child and adolescent psychiatry). She completed post-doctoral research fellowships at Mount Sinai's Seaver Center for Autism Research/Compulsive-Impulsive Anxiety Disorders and at Columbia University's New York State Psychiatric Institute, the latter focusing on metabolic and weight issues in children and adolescents with psychiatric disorders. Dr. Hadley had an early background as a nurse, receiving her B.S. in Nursing from the University of North Carolina-Chapel Hill. Her experience in neonatal, psychiatric, and hospice nursing led her to pursue her degree in medicine. Dr. Hadley has worked in pharmacologic research in both academic and industry settings. Prior to joining Talkiatry, she practiced in a multi-specialty clinic for individuals and families dealing with autism or intellectual disabilities and complex medical co-morbidities. Dr. Hadley enjoys working with motivated individuals of all ages who are seeking to better their life or better cope with life circumstances. She has particular expertise in working with individuals and their families suffering from anxiety, depression, and obsessive-compulsive disorders.

Violetta Aranda, LPC

Staff Licensed Professional Counselor

Violetta Aranda, LPC is a native South Texan and second generation Mexican- American. She is a 2011 graduate of St. Edward's University in Austin, Texas and obtained full LPC licensure in Texas in August of 2017. Her practice focuses on cognitive behavioral modalities within a humanistic client-centered approach to foster healing through self-acceptance and self-awareness. She has over a decade's worth of experience working within the mental health field and fifteen years working directly with children and adolescents in various capacities. Before joining Talkiatry, Miss Aranda practiced exclusively within the community health sector and these experiences provided the opportunity to become fully immersed in Trauma and Crisis Management and fostered the passion for evolving research in the treatment of trauma-informed care. She now aspires to utilize these allocated experiences and passion for the field to promote mental health awareness, client advocacy, and quality of care.

Brittany Stef, LMHC

Staff Therapist

Brittany Stef is a Licensed Mental Health Counselor (LMHC) in New York and a National Certified Counselor (NCC). With extensive experience in education and various clinical settings, she has supported individuals and families of all ages in overcoming diverse mental health challenges, including depression, anxiety, mood disorders, self-esteem issues, and significant life changes. Brittany is passionate about therapy and employs empowerment-driven, holistic approaches. Her techniques include Cognitive Behavioral Therapy (CBT), Dialectical Behavioral Therapy (DBT), Motivational Interviewing, Solution-Focused Therapy, and Person-Centered Therapy.

Jennifer Lyman, MD

Staff Psychiatrist

Dr. Lyman is a board-certified psychiatrist who values the lived experience of every individual seeking treatment. She completed her undergraduate studies at Stanford University, received her MPH from the University of Hawai'i, Manoa, and graduated with her MD from the John A. Burns School of Medicine. She completed her residency training in Psychiatry at the Queens Medical Center, where she served as chief resident. She is currently pursuing a nutritional psychiatry certificate through the Integrative Psychiatry Institute and has a particular interest in the connection between the food we consume and our emotional well-being. While her practice focuses on medication management, she often takes the time to provide supportive, cognitive or dialectical based therapy in a follow-up visit. She believes that achieving mental wellness extends beyond addressing one's symptoms and hopes to guide her patients towards feeling aware and empowered. She has experience treating depression, anxiety, OCD, PTSD, bipolar as well as other conditions.‍

Amanda Carrera Alvarez, MD

Staff Psychiatrist

Dr. Amanda Carrera-Alvarez is double board-certified in Psychiatry and Consultation-Liaison Psychiatry. She received her medical degree from Universidad Central del Caribe in Puerto Rico, completed a 1-year Internship in Internal Medicine at the Ramon Ruiz Arnau University Hospital in PR, and went on to complete Residency in Psychiatry at Lincoln Medical and Mental Health Center in the Bronx. Dr. Carrera-Alvarez then completed a 1-year Fellowship in Consultation Liaison at St. Luke's and Roosevelt Medical Centers in New York City, further acquiring proficiency in caring for patients with complex medical and psychiatric comorbidities. After completing training, Dr. Carrera worked briefly as a Psychiatric Consultant for patients admitted to medical units and as an Electroconvulsive Therapy Psychiatrist to patients in the Inpatient Psychiatric Units, in Woodhull Hospital in Brooklyn. During this time and through training, she worked part-time/moonlighted in the Margaret Cochran Corbin VA Campus located on NYC and eventually moved to work there permanently in the roles of Outpatient Psychiatrist, Consultant Psychiatrist to outpatient medical specialties, and ECT Psychiatrist. More recently she held the position of Acting Program Manager and Outpatient Psychiatrist to the VA Mayagüez Outpatient Clinic in Puerto Rico. Dr. Carrera-Alvarez focuses on medication management while also implementing elements of supportive, psychodynamic, and cognitive behavioral therapy within each session to fully address individual needs. At times, Dr. Carrera-Alvarez may recommend a therapist for additional and/or more specialized therapy. Dr. Carrera-Alvarez is experienced in treating a wide range of psychiatric conditions including depression, bipolar disorder, anxiety, PTSD, OCD, among others.

Luna Sanchez Rivera, MD

Staff Psychiatrist

Dr. Luna Sanchez Rivera holds the position of Staff Psychiatrist at Talkiatry. After completing residency in 2016 at the Ponce Medical School Psychiatry Residency in Puerto Rico, she then moved to North Carolina to complete a subspecialty in Child and Adolescent Psychiatry at Duke University Health System. There, she transitioned into an assistant professor position, focused on structuring pediatric emergency psychiatric services, and helped support the consult and liaison pediatric service. Her years of experience have included working as an integrated care child psychiatrist within outpatient clinics at Duke University Health System, and she trained and worked as a staff psychiatrist at the Inpatient State Facility in North Carolina. She also served in the Dayton Children's Hospital outpatient clinics in Dayton, Ohio, the Appalachian Health System outpatient clinics in Linville, North Carolina, and more recently has been serving the Child and Adolescent inpatient population in Bangor, Maine. Dr. Sanchez Rivera has an approachable style aimed at providing a comprehensive evaluation for all age ranges and is comfortable managing various levels of diagnostic complexities. She provides supportive psychotherapy while using psychodynamic therapy skills to clarify her patient's constellation of symptoms, identify unifying themes and provide thorough psychoeducation throughout the process to drive positive outcomes. She integrates psychodynamic medication management approaches and is adept at family therapy interventions.

Mary Poupon, PMHNP

Staff Nurse Practitioner

Mary Poupon is an experienced board certified psychiatric APRN/psychiatric nurse practitioner with over 30 years' experience in her field. She completed her graduate work at Columbia University and is published in her field. Her practice sites have included inpatient hospital treatment, partial hospital programs, in-home programs, outpatient clinics and alternative therapy including equine assisted therapy. She was the program director and clinician with the Ryan White Mental Health Program in New York providing innovative mental health treatment for adolescents and adults living with HIV/AIDS in the boroughs of Manhattan, Queens, Brooklyn and the Bronx. In 2013 she became certified as an equine assisted psychotherapist and served as the Director of Mental Health at Embrace Hope in Sandy Hook, CT. She was appointed as the Executive Director of Embrace Hope in 2017. Embrace Hope provided treatment to children, adolescents and adults who were victims of trauma related to the shooting at the Sandy Hook Elementary School. She presented a TED x talk in 2018 regarding her work with victims of trauma. She has provided treatment in the outpatient setting for children, teens, and adults. She has provided treatment to young adults at the Covenant House New York shelter program for homeless young adults.

Mary believes the human spirit is resilient. There are many challenges in the lifespan and self-care is paramount to success. Mary provides psychiatric consultation and assessment and provides a pathway to change. Treatment may include medication management, therapy, and coping skills to assist with life challenges. Mary believes treatment is a partnership and believes in establishing mutually agreed upon goals.

Mary's process for working with patients begins with active listening. The assessment begins with the patient describing why they are seeking engagement in behavioral health treatment at this time. She will complete a psychiatric assessment and evaluation and establish mutually agreed upon goals for treatment. She offers medication management in conjunction with supportive therapy in 30-minute follow-up visits. Mary believes that therapy and medication management if indicated together provides the best treatment outcomes.

Kevin White, LMHC

Staff Therapist

Kevin K. White is a licensed Mental Health Therapist, who has been working in the counseling field for over 20 years. He has continually worked with individuals and couples from all demographics and ethnic backgrounds, living with a variety of mental health conditions. Kevin attended Medaille University in Buffalo, New York for his undergraduate and graduate studies. Kevin has been practicing as a Mental Health Therapist, focusing on stress and anxiety, relationship issues, family conflicts, anger management, trauma, and depression. Treatment with Kevin is tailored to building the therapeutic relationship and is customized to the individual, using person-centered treatment with the purpose of making the patient feel whole. He also focuses on issues related to abuse, intimacy, career difficulties, codependency, divorce and separation, family problems, forgiveness, infidelity, jealousy, life purpose, and men's issues, midlife crisis, and self-love. Kevin employs several therapeutic methods such as: Client-Centered Therapy, Cognitive Behavioral Therapy (CBT), Eye Movement Desensitization and Reprocessing (EMDR), Mindfulness Therapy, and Solution-Focused Therapy.

Caitlin Gardiner, MD

Education and training

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