Allison Holt, MD

Dr. Lanier Summerall attended Yale University, where she studied philosophy in the Great Books Program. She later studied Molecular Biology at the University of Colorado, where she and her husband moved after getting married. She received her medical degree from the University of Colorado Health Sciences Program, and completed her residency at Dartmouth Medical School. She also trained at Massachusetts General Hospital with Dr. Theodore Stern in his area of expertise (Consult Psychiatry) and learned from his immense skill at building strong rapport with all patients.

Dr. Summerall has experience in inpatient, and outpatient settings, along with teaching and research. She has worked in hospital administration, government entities, most importantly the Senate Veterans’ Affairs Committee.

Dr. Summerall values transparent communication and will work with you to create the change. She treats patients as unique individuals and treatment is put into place with individualized plans in mind. Her approach to patients, which emphasizes holistic, patient centered, strength based treatment built on a foundation of strong doctor-patient alliance and evidence based medical knowledge.

Your appointment with Dr. Summerall will be a conversation. She is there to work towards goals together and is a good translator of "medical-ese". She enjoys working with patients on all aspects of their health and caters treatment plans to you.

Dr. Adeola Mustapha is a board-certified psychiatrist with experience across outpatient, inpatient, and community mental health settings. She completed her psychiatry residency at Indiana University School of Medicine – Vincennes in July 2024 after earning her medical degree from Ross University School of Medicine. Recognized for her exceptional psychotherapy skills, Dr. Mustapha received therapy awards in both her PGY3 and PGY4 years. Her background reflects a commitment to blending strong clinical training with compassionate, patient-focused care.

Dr. Mustapha creates a warm, collaborative, and supportive environment where patients feel respected and understood. She believes in the power of psychotherapy combined with evidence-based psychiatric care, always striving to integrate both in treatment. Open communication and clear, realistic goal setting are central to her approach. She is committed to a holistic perspective that considers emotional, physical, cultural, and social well-being. With an emphasis on empowerment, Dr. Mustapha encourages patients to take an active role in their healing journey.

Dr. Mustapha begins with a comprehensive evaluation to learn each patient’s history, concerns, and goals. She develops individualized treatment plans that may integrate therapy modalities such as CBT, DBT, TF-CBT, psychoanalysis, and FETI, along with medication management when appropriate. Using a goal-oriented, step-by-step process, she tracks progress and adapts treatment as needs evolve. Through ongoing dialogue, she ensures patients feel supported, informed, and engaged throughout their care. Her aim is to foster long-term resilience and overall wellness, not just symptom relief.

Dr. Justine Sever Chilelli, DO, earned her medical degree from the Lake Erie College of Osteopathic Medicine and completed her psychiatry residency and child and adolescent fellowship at the University of South Florida. She is board certified in General Psychiatry and Child and Adolescent Psychiatry. Her experience includes treating children, adolescents, and adults across outpatient, inpatient, consultation-liaison, school-based, and residential settings.

Dr. Chilelli values a collaborative, team-based approach where she and her patients work together to build a treatment plan. She emphasizes open and honest communication, aiming to improve quality of life and reduce the impact of mental health symptoms.

In the initial appointment, Dr. Chilelli focuses on understanding each patient’s history, concerns, and goals. She then develops individualized treatment plans that align with those goals, ensuring care that is thoughtful, supportive, and tailored to each patient’s needs.

Dr. Laura Mayol is double-boarded in child and adolescent psychiatry and adult psychiatry. She has been practicing for over 12 years. Dr. Mayol practice focuses on medication management, which is offered in conjunction with supportive therapy offered in 30 min visit follow-up visits. However occasionally Dr. Mayolmay believe additional therapy is needed and ask you to bring a therapist into your care team to provide the best outcome.

Dr. Mayol received her medical degree from the University of Puerto Rico School of Medicine in San Juan, Puerto Rico. She completed her residency in adult psychiatry at Jackson Memorial Hospital in Miami, FL. She pursued her fellowship in child and adolescent psychiatry at the University of Florida, in Gainesville. After completing training, Dr. Mayol worked with children and adult in a variety settings including Community Mental Health Centers and hospitals, providing both inpatient and outpatient services.

Dr. Mayol then became a Clinical Assistant Professor for the University of Florida Department of Psychiatry and provided clinical services for UF Student Mental Health at the Counseling and Wellness Center. While treating a wide variety of patients, her clinical focus has been on treating adolescents and young adults with mood and anxiety disorders

Dr. Thy Vo is a board-certified psychiatrist who specializes in the treatment of adults, adolescents, and children. Dr. Vo approaches patients as whole human beings with the goal of providing a safe therapeutic space that will help patients understand and address their suffering as well as fostering healthy emotional expression and self-awareness. Dr. Vo is collaborative with treatment needs, which may include medication and/or supportive or insight-oriented psychotherapy in 30 or 45 minute follow-up visits. She received a Master's in Global Health Systems and Development at Tulane University and then received her medical degree from the University of Wisconsin-Madison School of Medicine. Afterwards, she completed her adult psychiatry residency and child and adolescent psychiatry fellowship training at Western Psychiatric Hospital of University of Pittsburgh Medical Center. During her training, Dr. Vo has treated patients of all ages and diverse backgrounds with particular interest in immigrants and refugees. She works with people dealing with trauma, mood and anxiety disorders, ADHD, relationship conflicts, life transitions, and existential concerns. She has also received additional training in psychodynamic psychotherapy.

Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.