Melissa Sims, PMHNP

Dr. Antonio Ramirez earned his medical degree from Ponce Health Sciences University, where he also served as Chief Resident in Psychiatry. He completed residency training at Ponce Health Sciences University and the U.S. Veterans Health Administration, Caribbean Healthcare System, followed by a Fellowship in Consultation–Liaison Psychiatry at Montefiore Medical Center, Albert Einstein College of Medicine. Board-certified in both Psychiatry and Consultation–Liaison Psychiatry, he has served as Director of Psychiatry at the Roberto Clemente Center and Clinical Assistant Professor at NYU Grossman School of Medicine. Dr. Ramirez is bilingual in Spanish and bicultural, with published research in cultural psychiatry and stress biology, and has been recognized for teaching and leadership.

Dr. Ramirez focuses on compassionate, evidence-based care that integrates psychotherapy and psychotropic medications to promote recovery and growth. His collaborative and respectful style ensures patients feel heard while working toward meaningful goals. He emphasizes setting clear expectations from the start to foster confidence and engagement. With his background in consultation–liaison psychiatry, Dr. Ramirez brings expertise in caring for individuals managing psychiatric conditions alongside significant medical illness.

The first appointment is a comprehensive evaluation, during which Dr. Ramirez carefully explores a patient’s history, conditions, and symptoms. Based on this, he develops a personalized treatment plan and reviews it collaboratively, so expectations are clear. Future visits focus on monitoring progress, adjusting the plan as needed, and integrating both psychotherapy and medication management to best support the patient’s needs and long-term growth.

Dr. Crump is a board-certified psychiatrist at Talkiatry. She is from Kentucky and completed her undergraduate studies at Murray State University. She obtained her medical degree from University of Kentucky College of Medicine and completed her psychiatry residency training at University of Louisville School of Medicine. Afterwards, she completed a fellowship in child and adolescent psychiatry at Medical University of South Carolina.

Dr. Crump has experience in a wide range of diagnoses and patient populations, with particular interest in anxiety, depression, PTSD, substance use disorders as well as the child and adolescent, college, BIPOC, and LBGTQIA+ populations.

Dr. Crump believes in the importance of getting to know each patient as a whole and of understanding the unique experiences that bring them to treatment. She collaborates with her patients to create personalized treatment plans and considers both medication and non-medication options.

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Dr. Mary Stephenson is a board-certified Child and Adolescent Psychiatrist with more than 25 years of clinical experience working with this population. Dr. Stephenson's practice focuses on medication management. She believes that the support and involvement of the family are an integral part of the treatment of the client. Additionally, more therapy support may be needed on occasion, and the recommendation to bring a psychotherapist on the care team may occur to provide an optimal outcome. She received her medical degree from Wright State University in Dayton, Ohio. She completed her psychiatry residency at the University of Louisville School of Medicine, and her child and adolescent training at the Bingham Child Guidance Center, also part of the University of Louisville, in Louisville, Kentucky. After completion of her training, she moved to Colorado where she worked at The Cleo Wallace Center, in Westminster, CO, providing care for hospitalized youth, and clients in the Day Treatment and Residential setting. In 2000, Dr. Stephenson became the primary Child and Adolescent Psychiatrist on the outpatient team at Denver Health Medical Center in Denver, Colorado. Her role was providing diagnostic evaluations, and medication management in Federally Qualified Health Centers (FQHCs), and the hospital clinic, working closely with residents, child fellows, and other trainees. She had an academic appointment through the University of Colorado School of Medicine. She treated a varied demographic and had a wide range of diagnoses in the child and adolescent population. From 2016-2021, she worked at Intermountain Health Center in Tucson, AZ providing care in the outpatient setting of the community mental health center. The care was a hybrid model of "in-person” and Telehealth treatment of children and adolescents with various disorders, with an emphasis on diagnostic evaluations of Autism and Autism spectrum disorders.‍

Dr. Olivia Plante is a board-eligible psychiatrist with a focus on evidence-based medicine including psychopharmacology and nutritional psychiatry in the diagnosis and treatment of a wide range of psychiatric disorders.

She is originally from New York, having completed her undergraduate degree in psychology from The City College of New York, followed by a master’s degree in medical anthropology from Binghamton University and a Doctor of Medicine degree from the University at Buffalo. She completed psychiatric residency training at the Zucker School of Medicine/Northwell Health, with experience in medication management, psychotherapy, and collaborative multidisciplinary care of adults and adolescents in the outpatient, inpatient, partial hospital and emergency settings.

Initial evaluations will involve collecting history about social circumstances; past medical, psychiatric, substance use, and family conditions; as well as current lifestyle habits such as sleep, nutrition, supplement use, level of physical activity, and stress management skills.

Treatment sessions will explore the mind-body connection and individual lifestyle factors in combination with psychoeducation for a personalized wellness approach.

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Education and training

Stony Brook University (Bachelor of Science)

American University of Integrative Sciences (MD)

Davenport University (MBA)

Bergen New Bridge Medical Center (residency)

University Hospitals Cleveland Medical Center/Case Western Reserve University (fellowship)

Dr. Mohammed Islam is board certified in both General Psychiatry and Child and Adolescent Psychiatry. He completed his undergraduate studies at Stony Brook University and attended medical school at the American University of Integrative Sciences. He completed his psychiatry residency training at Bergen New Bridge Medical Center followed by completion of a fellowship in Child and Adolescent Psychiatry at University Hospitals/Case Western Reserve University where he served as Chief Fellow. Prior to joining Talkiatry, he has trained/worked in a combination of various healthcare systems across New York, New Jersey, Ohio and Kentucky.

Dr. Islam treats patients of various ages- in addition to medication management he is a strong proponent of therapy in various forms. His approach to the treatment of adults and children/adolescents incorporates the impact of various things such as family history of mental health/medical conditions as well as any adverse childhood experiences/trauma. In addition to screening for common conditions such as bipolar disorder, anxiety and depression in all patients, he also emphasizes the importance of screening for conditions that can manifest in childhood (such as ADHD, Autism) as well as first-episode psychosis in young adults.

From the initial visit and onward, Dr. Islam prioritizes a collaborative effort with his patients (and at times their families). In addition to medication adjustments, he emphasizes the importance of optimizing additional tools such as therapy while making appropriate lifestyle changes. During every follow up visit, he takes care to ensure that the current treatment is not hindering his patient’s progress in any way.

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Michael Huang is a psychiatric mental health nurse practitioner who takes a holistic, collaborative, and non-judgmental approach to mental health care. He graduated from Boston College with his MSN after many years of working in inpatient psychiatry at McLean Hospital in Belmont, MA, and has over a decade of experience in mental health care. He has worked in various outpatient settings, first in Boston and more recently in Las Vegas, gaining extensive experience with individuals from diverse socio-economic and cultural backgrounds.

Michael strongly believes that each person’s struggle is unique, and the solutions and treatments should be individualized based on the person’s goals. Having experienced childhood trauma himself, he is particularly passionate about and experienced in treating C-PTSD, OCD, ADHD, and borderline personality disorder. His focus is on helping others find peace, whether momentary or lasting, in their chaotic and often overwhelming lives.

The first appointment with Michael includes a comprehensive psychiatric evaluation and a discussion about your goals for treatment. While pharmacological treatment may be part of the plan, Michael prefers to focus on the therapeutic aspect of care, as he believes therapy is an essential component of healing. With Michael, you can expect to collaboratively create a treatment plan that you feel comfortable with, rather than simply being told what to do.

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