Barbara Lampert, MD

Background  and credentials    

Dr. Christa DeFries is a board-certified Adult Psychiatrist. She earned her  medical degree from UT Southwestern Medical School in Dallas, Texas, and  completed her residency in Adult Psychiatry at Baylor Scott & White in  Temple, Texas. Following residency, Dr. DeFries gained additional experience  treating homeless and formerly homeless populations in New York City,  particularly focusing on individuals with histories of trauma and substance  addiction, prior to joining Talkiatry.    

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Treatment approach    

Dr. DeFries practices Adult Psychiatry, employing an integrative treatment  approach combining medication management, psychotherapeutic methods, and  lifestyle modifications. She recognizes that each patient benefits from a  personalized mix of these three aspects of care. Dr. DeFries specializes in  treating diverse psychiatric conditions, including those related to trauma,  substance addictions, and various mental health disorders.    

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What you can expect in a first visit    

In a first visit with Dr. DeFries, patients can expect a comprehensive  evaluation aimed at understanding their individual mental health history,  specific concerns, and overall treatment goals. Dr. DeFries emphasizes an  individualized approach, carefully exploring the best combination of  medication, therapy, and lifestyle adjustments tailored specifically to each  patient's needs. Patients can anticipate an empathetic and collaborative  environment focused on their personal experiences and goals.    

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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.

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.

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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.

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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.

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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.

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Tekisha Norwood, LCSW, is a Licensed Clinical Social Worker with over a decade of experience supporting adults navigating mental health challenges, chronic illness, trauma, life transitions, and aging-related concerns. She has an extensive background in inpatient, outpatient, and residential settings, including roles at the VA community outpatient program, skilled nursing homes, and as a crisis and behavioral health therapist in private practice. Tekisha earned her BSW (2010) and MSW (2012) from the University of Southern Mississippi and is a Certified Clinical Trauma Professional. She is passionate about empowering clients through individualized, compassionate care that meets each person’s unique needs.

Tekisha offers a safe, supportive, and welcoming environment centered on compassion, cultural awareness, and mutual respect. She ensures that every client feels seen, heard, and valued without judgment. Her therapeutic approach is collaborative and flexible, designed to align with each individual’s goals for growth and healing.

During the first session, Tekisha conducts a thorough psychosocial assessment to understand each person’s background, challenges, and goals. Together, she and the client create a personalized treatment plan that guides the therapy process. Follow-up sessions focus on working through the plan collaboratively, with ongoing support, reflection, and adjustments as progress unfolds.

Dr. Nicole Martinez received her Master's and Doctorate from the Illinois School of Professional Psychology and completed her pre-doctoral and post-doctoral fellowship at Gateway Foundation in Lake Villa, Illinois. She earned a double major in Psychology and Therapeutic Recreation at the University of St. Francis. Dr. Martinez has extensive experience working with children, adolescents, and adults in individual, family, and group treatment. Her therapeutic approach is integrative, combining Cognitive Behavioral Psychotherapy (CBT) with holistic methods, emphasizing Solution Focused Therapy, Reality Therapy, and Positive Psychology. She believes in the mind-body connection and that exploring various areas of an individual's functioning is essential for optimum physical and emotional health. Dr. Martinez emphasizes a collaborative therapist-client relationship, where both act as partners in designing treatment goals. She values identifying ineffective past modalities to avoid frustration and ensure personalized care. Recognizing that each person is unique, she adapts to the patient's evolving needs, ensuring they feel heard and supported for positive outcomes. Her areas of expertise include health psychology, complex trauma, PTSD, depression, anxiety, social anxiety, bipolar disorder, ADHD, autism spectrum disorders, LGBTQIA populations, bereavement, forensics, substance abuse, couples work, MISA, co-occurring disorders, domestic violence, sex offenders, special needs populations, and chronic medical issues and rare diseases. She is skilled in the evaluation and assessment of these populations.

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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Brenda Keirns, LPC, NCC, is a Licensed Professional Counselor recognized by the National Board for Certified Counselors. She earned her Master’s degree in Clinical Counseling from Bellevue University and has extensive experience across inpatient, outpatient, and telehealth settings. Brenda is trained in EMDR through an EMDRIA-approved program and brings over six years of licensure experience. With a multicultural upbringing and more than 18 years as a military spouse, including Command Team involvement, she has a deep understanding of the unique challenges faced by diverse individuals and families. Brenda also serves as a Committee Member for Integratus, the academic journal of the Catholic Psychotherapy Association.

Brenda values open communication and creates a warm, non-judgmental environment where patients feel respected and supported. She tailors treatment to each patient’s unique needs and utilizes an eclectic, evidence-based approach drawing on CBT, EMDR, SFBT, REBT, DBT, attachment-based theory, trauma-informed care, and faith-based therapy rooted in Thomistic Psychology. Brenda helps patients address depression, anxiety, trauma, substance use, relational challenges, personality disorders, and life transitions.

Brenda partners with patients to develop practical coping tools while building on strengths and resilience. She emphasizes collaboration to ensure that patients actively shape their therapeutic goals. With a balance of compassion and clinical expertise, Brenda integrates evidence-based practices with individualized strategies to promote emotional well-being, personal growth, and improved daily functioning.