Caitlin Tillberg, MD

Mary Birse is a board-certified Psychiatric Mental Health Nurse Practitioner (ANCC) with over 20 years of nursing experience. She graduated magna cum laude with a BSN from Florida Atlantic University and earned her MSN from the University of Florida. She completed a Psychiatric NP Residency at the VA in Charleston, SC. Mary has worked in a variety of settings including the West Palm Beach VA Medical Center, the Palm Beach County Firefighter’s Clinic, various outpatient telehealth platforms, and a child and adolescent inpatient facility. She was also an adjunct professor at Palm Beach State College.

Mary believes in empowering patients through education and collaboration so they can play an active role in their mental health journey. She works to create a warm and welcoming space where patients feel safe, heard, and understood. Whether the treatment path includes therapy, medication, integrative approaches, or a combination, she ensures that the plan reflects the patient's needs and goals.

Mary takes a thorough and holistic approach to care. She spends time understanding each patient’s history and past treatments—what has or hasn’t worked—and listens carefully to their current concerns and future goals. By factoring in lifestyle and preferences, she works with patients to build thoughtful, individualized treatment plans.

Dr. Alexa Hall is a board-certified adult psychiatrist with extensive training and experience across inpatient, partial hospitalization, intensive outpatient, and outpatient psychiatry settings. She earned her medical degree from Saint Louis University School of Medicine and completed her psychiatry residency at Harvard South Shore. Through her clinical work with the Harvard Medical School system and the Boston VA Healthcare System, Dr. Hall developed expertise in caring for diverse patient populations. She has also served as Medical Director for multiple psychiatry practices, overseeing services such as outpatient medication management, Spravato, IV Ketamine, and Transcranial Magnetic Stimulation (TMS). Outside of work, she enjoys cooking and spending time with her family.

Dr. Hall provides a supportive, non-judgmental environment where patients feel heard, respected, and understood. She takes a collaborative approach, working in partnership with patients to set and achieve individualized wellness goals. Her practice emphasizes whole-person care, integrating both mental and physical well-being into each treatment plan.

Dr. Hall begins by listening closely to understand each patient’s history, experiences, and concerns. From there, she collaborates with patients to identify their personal treatment and wellness goals. She develops individualized treatment plans tailored to these goals, focusing on supporting meaningful progress and long-term well-being.

Lance Briggs is a dedicated Psychiatric Nurse Practitioner with over a decade of clinical and leadership experience. A graduate of the University of North Dakota, Lance began as a psychiatric RN in acute inpatient settings before becoming a psychiatric RN supervisor in a major Houston hospital while pursuing advanced practice.

After becoming a PMHNP, Lance initially worked with outpatient addiction treatment and severe mental illness populations, later expanding into bariatric psychiatry to support patients preparing for weight-loss surgery. When the COVID-19 pandemic paused bariatric procedures, Lance founded a private practice—Grey Matters Mental Health—in Seattle, which was later sold to a larger healthcare organization in Minnesota. Lance then transitioned into correctional mental health, serving underserved populations within the criminal justice system. Currently, Lance is working at Talkiatry, providing compassionate, high-quality care informed by experience across diverse and challenging environments.

Lance understands that every patient is unique. His approach is grounded in Carl Rogers’ principle of unconditional positive regard, creating a safe, calming space where patients feel heard and valued. Lance takes time to explore developmental history, family background, and major life events, recognizing how past experiences shape present challenges. He aims to understand each symptom fully and offers thoughtful, collaborative treatment options.

Dr Ibrahim joined Talkiatry as a general adult psychiatrist.

Dr Ibrahim earned his medical degree from faculty of medicine, University of Cairo, Egypt.

He completed residency in general psychiatry at Case Western Reserve university and MetroHealth medical center in Cleveland, Ohio.

He practiced psychiatry for 30 years. working in different settings:

Hospitals. inpatient and consultation liaison to other medical services.

Private practice, outpatients treating adults, geriatric and adolescents.

Provided geropsychiatric consultations to long term care facilities and assisted living.

Areas of interest:

Mood and anxiety disorders

cognitive, neuropsychiatric disorders

PTSD , bipolar, OCD

Psychopharmacology and treatment resistant conditions (depression)

Psychoeducation to improve treatment compliance

Dr Ibrahim likes to work with patients on customized treatment plan with active patient participation.

Treatment goals are defined and updated as needed in follow up visits.

Dr Ibrahim encourage his patients to ask questions and learn more about their condition, communication and education are essential for treatment success.

Dr Ibrahim will have an initial evaluation. Providing treatment records can be helpful.

He will share with patient treatment options and create a custom treatment plan.

Follow up appointments are scheduled every 2 weeks at the beginning of treatment.

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Dr. Liss was born and raised in a neighborhood in the North Bronx. He attended Queens College, CUNY where he graduated Summa Cum Laude with a B.A. in Hebrew. He completed Medical school at NYIT College of Osteopathic Medicine in Old Westbury, NY and thereafter was accepted to NUMC for psychiatry residency training. For his final year of residency training Dr. Liss was appointed to the position of Chief Resident for Academics & Research for the Psychiatry residency program at NUMC, Nassau University Medical Center. He received two awards during his residency training, including the Acute Mental Health Services Award and the Ambulatory Mental Health Services Award at the end of his 2nd and 3rd years of residency training, respectively. At NUMC, Dr. Liss underwent a rigorous training in a multitude of psychiatric settings and has experience with managing a wide array of psychiatric areas of treatment including mood/bipolar disorders, ADHD, depression, anxiety, personality disorders, as well as the intersection of medical disorders and psychiatric disorders. For his outpatient practice, Dr. Liss anticipates focusing on mood disorders, anxiety disorders, OCD, personality disorders, and family dynamics .Dr. Liss' practice focuses on a duality of treatment strategies: specifically psychotropic medication management in conjunction with non-pharmacologic treatment modalities including supportive psychotherapy, emotive supportive psychotherapy, as well as personalized variants of psychodynamic/interpersonal psychotherapy. Additionally, Dr. Liss has experience facilitating the coordination of psychosocial treatments in underserved populations.‍

Dr. Jillian Saad is a board-certified adult psychiatrist who specializes in patient-centered care. She has been practicing for over 8 years in private practice and academic medicine .Dr. Saad focuses on medication management in 30-minute follow-up visits in conjunction with supportive and emotionally focused therapy. She takes a patient-centered approach that acknowledges all the psychosocial aspects of each individual to ensure they receive the most effective treatment possible. She received her medical degree from UMDNJ Robert Wood Johnson Medical School in Piscataway, NJ, then moved to Pennsylvania to complete her residency at Thomas Jefferson University Hospital in Philadelphia. Upon completion of training, Dr. Saad went into private practice for 5 years in southern NJ where she treated children, adolescents, and adults with a wide array of psychiatric disorders. She then went into academic medicine at Cooper University Hospital in Camden, NJ, where she served as the Associate Program Director of the Psychiatry Residency Program supervising and teaching both residents and medical students .Dr. Saad has experience working with a broad range of psychiatric disorders including mood disorders, PTSD, OCD, and ADHD. She also has a strong interest in Women's Mental Health and alternative treatment options.