Stephanie Negrey, MD

Dr. Natalie Cummings is a board-certified adult psychiatrist, and board-eligible geriatric psychiatrist. She obtained her medical degree from the University of North Carolina at Chapel Hill, and completed her residency training in psychiatry at the University of Miami Miller School of Medicine and Jackson Memorial Hospital. She then went on to complete her geriatric psychiatry fellowship at Icahn School of Medicine at Mount Sinai Beth Israel. During her fellowship, Dr. Cummings participated in Mount Sinai's Visiting Doctors Program, providing patient-centered and compassionate care to homebound elder adults in New York City. She also received training at Coler Rehabilitation and Nursing Care Center on Roosevelt Island during her fellowship, and presented at the American Association for Geriatric Psychiatry annual meeting. During her training, Dr. Cummings gained extensive experience providing psychiatric care to various patient populations in multiple patient care settings, including in the outpatient clinic, inpatient unit, and emergency department. Following her training, Dr. Cummings worked at New York Presbyterian's Gracie Square Hospital, serving first in the position of float psychiatrist, providing care to patients on every inpatient psychiatric unit (including the young adult/college student program, Orthodox Jewish program, psychotic disorders program, crisis-stabilization program, dual focus program, and Asian Psychiatry program), before transitioning to an established psychiatric attending for the older adult program. During her time at Gracie Square Hospital, Dr. Cummings received the Physician of the Year Award, and served as a Clinical Assistant Professor of Psychiatry at Weill Cornell Medicine. She worked closely alongside staff psychologist, social workers and nurses to provide multidisciplinary, collaborative care to patients suffering from a variety of mental health conditions. Dr. Cummings primarily focuses on medication management and supportive psychotherapy, but has extensive training in utilizing various therapy modalities, including cognitive behavioral therapy, interpersonal therapy, reminiscence therapy, and psychodynamic psychotherapy. When appropriate, Dr. Cummings will refer for more extensive psychotherapy and/or collaborate with your established psychotherapist for comprehensive care. Dr. Cummings strongly believes that addressing psychosocial and interpersonal factors (including relationship health, economic stressors, social isolation and loneliness) is as essential as pharmacologic management in treating mental health conditions. She has particular experience and interest in treating older adults and those suffering from memory disorders, but provides treatment for a variety of psychiatric conditions including depression, anxiety, bipolar disorder, obsessive-compulsive disorders, trauma-related disorders and substance use disorders. Dr. Cummings is a member of the American Psychiatric Association and American Association for Geriatric Psychiatry.

Dr. Saria El Haddad is double boarded in general psychiatry and addiction psychiatry. She previously held a leadership role of medical director for the dual diagnosis partial hospitalization program at the Brigham and Women's Faulkner hospital where she helped create and establish this program, and also worked as an outpatient addiction psychiatrist. She has been involved in teaching and has maintained an academic affiliation with the Harvard Medical School. In addition, she has appeared in numerous professional publications and authored several research papers.  

Dr. El Haddad received her medical degree from the American University of Beirut, Lebanon and completed her psychiatry residency program at the University of Virginia. She completed a fellowship in addiction psychiatry through Boston University after which she started working at the Brigham and Women's hospital. Dr. El Haddad's approach to treatment focuses on adopting a holistic approach through behavioral change, medication management, and brief psychotherapy.

Cecilia Wild is a board-certified psychiatric-mental health nurse practitioner (PMHNP-BC) with a strong background in treating patients across the mental health spectrum. She earned her Bachelor of Science in Nursing from Illinois State University and began her career in a women’s residential facility specializing in mood disorders, eating disorders, and PTSD. She then transitioned to inpatient adolescent psychiatry, where she became a charge nurse and obtained her Psychiatric-Mental Health Nursing Certification (PMH-BC) from the American Nurses Credentialing Center (ANCC). Inspired by her passion for mental health, she pursued her master's degree at the University of St. Francis to become a PMHNP.  

Cecilia has extensive experience treating patients at all levels of care, including inpatient, PHP/IOP, and outpatient settings. She later transitioned to telehealth, providing medication management to college students. She is passionate about mental health advocacy, particularly within the LGBTQ+ community.  

Cecilia takes a team-based, individualized approach to care. She believes in the importance of education, open communication, and empowering patients in their treatment journey. She emphasizes a holistic perspective, incorporating medication management, therapy, and lifestyle modifications.  

Cecilia prioritizes a trauma-informed approach, recognizing the significant role trauma plays in mental health. She integrates mindfulness techniques, motivational interviewing, and lifestyle changes to support overall well-being. By fostering a collaborative and supportive environment, she helps patients build resilience and achieve their mental health goals.

Dr. Kerry O'Leary is a board-certified adult psychiatrist who joined Talkiatry after she completed her psychiatry residency. Dr. O'Leary provides patient-centered care and understands the importance of actively involving patients in their treatment journey. She believes that every patient deserves personalized care tailored to their unique needs and circumstances. She utilizes evidence-based treatments combined with a comprehensive approach to address not only the symptoms but also the underlying factors contributing to her patients' distress. Although her practice focuses on medication management, she also provides supportive therapy and may recommend more intensive therapy when indicated. Dr. O'Leary approaches each patient with empathy and understanding, fostering a supportive and nonjudgmental environment. Dr. O'Leary completed her undergraduate training at The University of Texas at Austin and pursued her medical degree at The University of Texas Medical Branch in Galveston. She also graduated with a Master's in Public Health from Columbia University in New York. She went on to complete her general adult psychiatry training at Baylor College of Medicine in Houston. Dr. O'Leary focuses on treating the adult population from ages 18+. She utilizes both pharmacological and psychotherapeutic treatment interventions and has experience in treating a variety of diagnoses including depression, anxiety, bipolar disorder, insomnia, PTSD, OCD, and psychotic disorders.

Robynn Cavaliere, PMHNP-BC, is a nationally board-certified Psychiatric Mental Health Nurse Practitioner. She earned her nursing practice degree from the University of San Diego (USD). Her passion for helping others began at the age of 16 when she became an EMT and volunteered with a local emergency unit. Inspired by a strong belief in service to country and a desire to follow in her brothers’ footsteps, she proudly served in the United States Marine Corps.

Robynn’s nursing journey began over two decades ago, driven by a deep calling to care for others. She started her career as an LVN on medical/surgical/telemetry floors, advanced to an RN in the emergency room, and eventually became a psychiatric nurse practitioner.

Her extensive nursing experience spans a wide range of clinical settings and patient populations, shaping her approach to interviewing, assessment, and intervention. Robynn applies the Biopsychosocial Model in every patient encounter, believing that a comprehensive understanding of the whole person leads to more effective treatment recommendations, improved outcomes, and better prognoses.

She is deeply committed to making a positive impact in her patients’ lives and giving back to the nursing profession. Robynn precepts student nurse practitioners in her practice and serves as a Clinical Assistant Professor at USD, where she helps educate the next generation of healthcare providers.

Robynn emphasizes the importance of comprehensive assessments, active listening, and building therapeutic alliances that foster trust and create a safe space for patients to share their thoughts and concerns. She collaborates closely with patients to ensure they feel heard, encourages active participation in their treatment, and provides education to enhance insight and promote behavioral change. Her approach includes supportive psychotherapy and incorporates techniques from Cognitive Behavioral Therapy (CBT), Interpersonal Therapy, Reality Therapy, and Solution-Focused Therapy during medication management visits.

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Tiffany Chaille is a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP) with nearly a decade of clinical practice and over 15 years of experience working in behavioral health. Her background includes inpatient and outpatient psychiatry, crisis-focused care, community mental health, integrated pain and psychiatry care, and telepsychiatry. She has a growing interest in functional and integrative approaches to mental health. Tiffany earned her Master of Science in Nursing as a PMHNP from Indiana University and her Bachelor of Science in Nursing from Indiana State University.

Tiffany believes mental health care is most effective when patients feel comfortable, supported, and truly heard. She takes a calm, compassionate, and nonjudgmental approach, meeting patients where they are. Her care focuses on practical, real-life treatment plans while considering sleep, stress, medical factors, and lifestyle influences. She values collaboration and aims for patients to feel informed, involved, safe, and confident throughout their care.

Tiffany begins by getting to know the person beyond the symptoms and understanding what brought them to care. She works collaboratively to develop individualized, realistic treatment plans using evidence-based medication management. Ongoing follow-up, thoughtful adjustments, clear communication, and a whole-person approach guide her work, with an emphasis on consistency and long-term support.