Cassandra Thomas-Jingles, PMHNP

More Clinicians

Margaret Mary Reyes DNP, APRN, PMHNP-BC is a board certified Psychiatric Mental Health Nurse Practitioner dedicated to providing patient centered, and compassionate mental health care. As a Florida native, she is a proud graduate of Florida Atlantic University (FAU), where she obtained her Bachelor of Science in Nursing (BSN), Master of Science in Nursing (MSN), and Doctor of Nursing Practice (DNP) with a specialty in Psychiatric Mental Health Nursing. Her doctoral research focused on improving outcomes for women living with Premenstrual Dysphoric Disorder (PMDD).

Dr. Reyes has advanced practice nursing experience in both inpatient and outpatient psychiatric settings. She has cared for individuals with a wide variety of mental health conditions such as Psychotic disorders, Bipolar spectrum disorders, Depressive and anxiety disorders, Trauma-related reactions/disorders, Attention deficit disorders, Personality disorders, substance use disorders, co-occurring disorders, Eating disorders, Suicidality, Homelessness and Severe mental illness (SMI) in the criminal justice system. She also has acute nursing practice experience in oncology, medical-surgical, telemetry/cardiac step-down, intensive care, and nursing research, as well as in Consultation Liaison Psychiatry while in graduate training.

Dr. Reyes implements an integrative and comprehensive approach to mental health care. She focuses on a combination of medication management and evidence based complementary and alternative interventions, with respect to the interconnectedness between mind, body, and spirit as well as the gut-brain axis. She utilizes supportive therapy, motivation interviewing and mindfulness cognitive based therapeutic techniques.

Celeste Boyd, PMHNP

Staff Nurse Practitioner

Ms. Celeste Boyd is a dual board certified Psychiatric Mental Health and Family Nurse Practitioner. She is the CEO and Founder of Metamorphosis Psyche, a psychiatric mental health resource platform. She has practiced in family medicine since 2011 and psychiatric mental health medicine since 2013. She has clinical experience and expertise in substance use disorders, addiction rehabilitation, sleep medicine, general psychiatry, and serious mental illness (SMI) in both private and public sectors. In Academia, she has extended her knowledge and experience as Adjunct Clinical Faculty at School of Nursing Graduate Programs.

Since 2017, Ms. Boyd has been practicing general psychiatry in the outpatient private sector. Ms. Boyd provides medication management and psychotherapy for acute, chronic, and comorbid psychiatric conditions that include Anxiety Disorders, Depression, Mood Disorders, ADHD, OCD, and PTSD. Her clinical treatment modalities include supportive therapy, solution-focused therapy, motivational enhancement, mindfulness, and cognitive behavioral therapy.

As a clinician, she promotes mental health awareness to reduce stigmatization and empower those suffering and struggling with mental illness. Ms. Boyd clinical practices are oriented towards the Mental Health Recovery Model, which permits individuals to go through an active process of change, being in control, strengthening, and empowering themselves to improve their mental health and well-being.

Kenneth Kavanagh, PMHNP

Staff Nurse Practitioner

Kenneth Kavanagh is board certified as both a Psychiatric/Mental Health Nurse Practitioner and an Adult Nurse Practitioner. His career has spanned 30 years with the last 17 years devoted exclusively to psychiatry. He integrates his knowledge of psychiatry and primary care into evidence-based medication management strategies. He also possesses a good working knowledge of alternative treatments and integrating alternative treatments into more traditional approaches. When needed to enhance patient care outcomes, he frequently works collaboratively with psychotherapists, primary care providers, and/or medical specialists.

Kenneth currently focuses on managing depressive disorders, anxiety disorders, adjustment disorders, ADHD, somatic disorders, OCD, and bipolar disorders. Kenneth has significant experience in working with diverse groups, including urban and rural populations across socioeconomic spectrums, professionals and college students on all levels, members of the LGBTQ community, individuals confronting life stage transitions, and people living with chronic medical conditions.

Kenneth’s psychotherapeutic methods are diverse and evolve to meet collaboratively developed treatment goals. Kenneth’s interaction style is always empathic and respectful but can range from comforting and supportive to more directive and therapeutically confrontational strategies to maximize treatment goals, often with significant doses of humor throughout the therapeutic relationship.

Bethanie Berson, NP

Staff Nurse Practitioner

Bethanie is a board-certified Psychiatric Mental Health Nurse Practitioner who graduated with a Doctorate of Nursing Practice and a Master of Science, Psychiatric Advanced Practice Nursing from Columbia University School of Nursing where she was inducted into the Sigma Theta Tau Nursing Honor Society. She has been in practice for over 10 years, seeing patients with Anxiety, Depression, Bipolar Disorder, and Schizophrenia. Bethanie also has a passion for women's mental health during the perinatal phase of life. She believes in a collaborative partnership between herself and the client so that a mutually agreed upon plan of action can be developed in order to have the greatest chances of success.

Marnie Stefan, MD

Staff Psychiatrist

Background and credentials

Dr. Stefan is a psychiatrist with extensive experience in outpatient care, inpatient care, and assertive community treatment. She has served as a medical director for large institutions, overseeing the treatment of individuals with complex mental illnesses. Born and raised in Puerto Rico, she is fluent in both English and Spanish. She earned her medical degree from the University of Puerto Rico School of Medicine and completed her psychiatry residency at the University of Florida, where she received recognition for her skills as a psychotherapist.

‍

Treatment approach

Dr. Stefan is deeply committed to patient-centered care, adapting her role to the individual needs of each patient. She believes in treating the whole person, rather than just a diagnosis, recognizing that each patient has unique psychosocial circumstances. She has a strong foundation in psychotherapeutic interventions and is dedicated to providing engaging, compassionate, and meaningful therapy in every patient interaction. With over 10 years of experience as a psychiatrist, she has worked extensively in telemedicine since 2013, ensuring that remote care is as effective and personal as in-person visits.

‍

What you can expect in a first visit

Patients meeting Dr. Stefan for the first time can expect a comprehensive and holistic evaluation that considers their symptoms, personal history, and life circumstances. She takes the time to build strong therapeutic relationships, fostering a caring and engaging environment where patients feel understood and supported. Whether through telemedicine or in-person care, she prioritizes personalized treatment plans that integrate medication management and psychotherapy, ensuring the highest quality of care tailored to each patient’s needs.

‍

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.

‍

Jami Jacobson, LMHC

Staff Licensed Mental Health Counselor

Jami Jacobson, MA, LMHC is a psychotherapist at Talkiatry. She achieved her Bachelor of Science in Psychology from the University of New Orleans in 2014, and her Master of Arts in Mental Health Counseling and Wellness from New York University in 2017. Jami has experience as both a mental health professional and as a social worker in a variety of settings in New York City. She has worked with individuals, families and the LGBTQIA+ community in hospitals, educational training centers, community outreach and housing programs, and family services. Her specializations include treating Phobias, Trauma, and Anxiety Disorders: specifically Obsessive Compulsive Disorder, Generalized Anxiety and Social Anxiety. She utilizes techniques from Cognitive Behavioral Therapy (CBT) and Dialectical Behavior Therapy (DBT). She has also completed Phase One training in Brainspotting, which specializes in addressing traumas in the subconscious and unconscious mind. Jami believes therapy should be a wholistic approach that incorporates both the body and the mind. She has a warm demeanor and seeks to create a safe, comfortable, and judgement-free zone, personalized for each client's unique needs. She seeks to educate her clients on the ties between feelings, thoughts, and behaviors, as well as how our environment and our past can have an influence on our day-to-day lives. ‍

Sara Mateo, MD

Staff Psychiatrist

Dr. Sara Mateo holds the position of staff Psychiatrist at Talkiatry. She is a board-eligible adult Psychiatrist. Dr. Mateo completed her Medical degree at the University of Benghazi- Faculty of Medicine and finished General Psychiatry Residency training at Tower Health/DrexelPhoenixville Hospital. Throughout her career, Dr. Mateo has actively contributed to various leadership roles and committees, demonstrating her commitment to advancing medical education and promoting diversity in the field. During her training, she generously shared her knowledge through educational presentations and lectures, fostering the growth of fellow trainees and medical students. Dr. Mateo is dedicated to creating a therapeutic environment characterized by warmth, empathy, and nonjudgmental support. Her approach involves collaborating with patients to develop individualized treatment plans that consider cultural, biological, psychological, and social factors. With a primary focus on medication management, Dr. Mateo's keen interest in psychotherapy is evident, as she often integrates supportive therapy, cognitive behavioral therapy, and psychodynamic psychotherapy during 30-minute follow-up visits to optimize wellness and recovery. Dr. Mateo brings a wealth of experience in caring for individuals of diverse ages and backgrounds, adeptly addressing a wide spectrum of conditions. Her expertise extends to treating depressive disorders, bipolar disorders, anxiety disorders, trauma and stress related disorders, ADHD, OCD, Insomnia, psychotic disorders; she also has experience treating individuals with medical comorbidities.

Alicia Garcete, MD

Staff Psychiatrist

Dr. Alicia Garcete is a board-certified child, adolescent, and adult psychiatrist who has been in practice for over 12 years. Her practice focuses on medication management, recognizing family involvement is extremely important and is an integral part of treatment. Dr. Garcete has treated a wide variety of patients with medication management, and she can provide supportive therapy and elements of cognitive-behavioral therapy, but on occasions more therapy support is needed. Additionally, she can provide supportive therapy and elements of cognitive-behavioral therapy, but on occasions more therapy support may be needed, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. Dr. Garcete is bilingual and provides care in both Spanish and English. Prior to Talkiatry, Dr. Garcete treated children, adolescents, and adults at the intensive outpatient and partial hospitalization levels of care with focus on behavioral approaches in the Depression recovery and Anxiety/OCD programs. Dr. Garcete earned her Medical Degree from the Universidad Nacional de Asuncion, Facultad de Ciencias Medicas in Paraguay. She completed her general psychiatry residency at Maimonides Medical Center in New York. She was also a Fellow in Psychoanalysis at the Psychoanalytic Institute, Affiliate to New York University School of Medicine, and completed her child and adolescent psychiatrist fellowship at Elmhurst Hospital Center, affiliate to Mount Sinai Hospital. Dr. Garcete also held a clinical assistant professor appointment from the department of psychiatry at SUNY Downstate Medical Center.

Meredith McMillan, LMHC

Staff Licensed Mental Health Counselor

Meredith McMillan is a Licensed Mental Health Therapist with 9 years of experience working in mental health. She specializes in working with individuals who experienced trauma and toxic stress, as well as those with addiction issues, relationship challenges, and adjustment disorders. Ms. McMillan's therapy practice focuses on providing person-centered encouragement and support. She utilizes a trauma-focused cognitive behavioral approach to help you to develop your understanding of yourself and your challenges and enable you to utilize your strengths to facilitate your healing. She received a Master's Degree in Counseling Psychology from Palm Beach Atlantic University in Orlando, Florida, and established herself as a therapist working in community mental health in the Lakeland, Florida area. She spent several years working at Tri-County Human Services providing co-occurring outpatient substance abuse therapy. Later, she shifted to providing services to children through Tri-County's B-Net program and Children's Home Society. She went on to become the Clinical Supervisor at the Children's Home Society providing care to children and adolescents impacted by trauma and the child welfare system. Before joining Talkiatry, she also served as the clinical supervisor and therapist at The Mary Welsh Foundation, providing care to individuals of all ages and specializing in trauma and family issues. Ms. McMillan has worked with individuals dealing with a variety of mental health issues throughout her years of experience as a therapist. She has worked with people of all ages and has experience working with families and couples. She has had additional training to serve individuals dealing with addictions and with processing trauma. She has had extensive experience working with individuals dealing with mood disorders and anxiety, as well as relationship and parenting issues.

Namrata Shah, MD

Staff Psychiatrist

Dr. Namrata Shah is a board-certified adult psychiatrist who completed her undergraduate training at the University of Wisconsin-Madison and earned her medical degree at the American University of Antigua. She completed her psychiatry residency at Creedmoor Psychiatric Center, where she trained at New York-Presbyterian/Columbia University Irving Medical Center. In addition to experience providing inpatient and outpatient care, Dr. Shah has worked with a wide variety of patient populations. The conditions she treats include depression, bipolar disorder, anxiety disorders, panic disorder, OCD, and ADHD. In addition, Dr. Shah is particularly interested in issues related to women's mental health, including perinatal mental health issues. Dr. Shah emphasizes the importance of a strong doctor-patient therapeutic alliance and a patient-centered approach. To provide the best care, she believes in compassion, open communication, and collaboration. As a primary treatment method, she combines psychopharmacological medication and supportive therapy.

Nina Jacobs, MD

Staff Psychiatrist

Background and credentials

Dr. Nina Jacobs is a board-certified psychiatrist specializing in child, adolescent, and adult psychiatry with over 20 years of clinical experience. She earned her medical degree from the University of Chicago, Pritzker School of Medicine and completed her adult, child, and adolescent psychiatry training at NYU School of Medicine. Additionally, she has specialized training in psychodynamic psychotherapy from the New York Psychoanalytic Institute. Before joining Talkiatry, she served as Chief of Adult Behavioral Health at a busy urban community health clinic.

‍

Treatment approach

Dr. Jacobs believes that understanding and compassion are fundamental to effective psychiatric care. She provides engaged, patient-centered treatment, focusing on reducing symptoms and restoring well-being. Her approach includes comprehensive evaluations, thoughtful medication management, supportive therapy, and the development of stress management skills. She treats youth ages 13-17 and adults with anxiety, depression, bipolar disorder, ADHD, PTSD, and other mental health conditions. For adolescent patients, she includes parental involvement during a portion of appointments to discuss progress and treatment plans.

‍

What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation in which Dr. Jacobs takes time to understand their symptoms, history, and goals. She fosters a collaborative and compassionate environment, ensuring that treatment plans are personalized and patient-centered. Her approach may include medication management, therapy recommendations, and stress management techniques to support patients in achieving their mental health and well-being goals.

‍

Why Talkiatry?

‍

Geoffrey Sinner, MD

Staff Psychiatrist

Background and credentials

Dr. Sinner is board-certified in Psychiatry. He completed his psychiatry residency training at Dartmouth-Hitchcock Medical Center. With over 14 years of experience, he has worked in a variety of settings, including five years in inpatient psychiatry in Vermont, where he served as Medical Director for a state hospital psychiatric unit and taught medical students. He then spent five years working in an outpatient community mental health center in Pennsylvania before transitioning to telepsychiatry, providing care to individuals in Pennsylvania, Florida, and New York.

‍

Treatment approach

Dr. Sinner employs a collaborative, patient-centered approach, tailoring treatment plans to meet each individual's specific needs. His practice integrates pharmacotherapy with cognitive behavioral therapy (CBT) and supportive therapy as needed. He specializes in treating a wide range of psychiatric conditions, including depression, bipolar disorder, anxiety, ADHD, neuropsychiatric disorders, developmental disorders, and personality disorders. His philosophy is to provide personalized care that makes a meaningful impact at different stages of a patient’s life.

‍

What you can expect in a first visit

During the first visit, patients can expect a comprehensive evaluation focused on understanding their mental health concerns, history, and treatment goals. Dr. Sinner takes a compassionate and collaborative approach, working closely with patients to create individualized treatment plans. He ensures that each patient receives a balanced and effective combination of medication management and therapeutic interventions suited to their unique needs.

‍

Why Talkiatry?

‍

Cassandra Thomas-Jingles, PMHNP

Education and training

Get to know