Jacqueline Lewandowski, MD

Background and credentials

Dr. Schaefer is a board-certified adult psychiatrist with over 16 years of experience. She earned her medical degree from the University of Nebraska Medical Center in Omaha, NE, and completed her adult psychiatry residency at Oregon Health and Science University in Portland, OR. She then specialized further by completing a forensic psychiatry fellowship at Yale University. She has worked as a staff psychiatrist at Atrium Health System for over 16 years.

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Treatment approach

Dr. Schaefer’s practice primarily focuses on medication management, which she offers in conjunction with supportive therapy and elements of cognitive-behavioral therapy (CBT). She takes a patient-centered and collaborative approach, ensuring that treatment is tailored to each individual’s needs. If additional therapy is required, she may recommend working with a therapist as part of a comprehensive care plan. Her primary focus areas include depression, anxiety disorders, and obsessive-compulsive disorder (OCD).

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What you can expect in a first visit

During the first visit, patients can expect a thorough psychiatric evaluation, where Dr. Schaefer carefully assesses their symptoms, treatment history, and mental health goals. She works collaboratively with patients to develop a personalized treatment plan, which may include medication management and therapy recommendations. Follow-up visits are typically 30 minutes and focus on monitoring progress, adjusting treatment as needed, and ensuring the best possible patient outcomes.

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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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Sibi Selvarajah is a Licensed Clinical Social Worker (LCSW) renowned for his compassionate approach and dedication to fostering emotional well-being. Sibi's career in mental health has been marked by a dedication to evidence-based practice and a client-centered approach. His experience working as a group and individual counselor at a private substance abuse outpatient treatment center in Manhattan provided him with invaluable knowledge and insight into helping individuals struggling with substance use disorder, anxiety, depression, trauma, and relationship issues, among others. Sibi earned his Bachelor's degree in Psychology from New York University, where he developed a strong foundation in psychological theories and practices. He went on to complete his Master's degree in Social Work at Yeshiva University, gaining advanced knowledge and hands-on experience in therapeutic techniques. As a licensed clinical social worker, Sibi is known for his empathetic listening skills and his ability to build strong therapeutic alliances with his clients. His therapeutic approach is integrative, drawing from multiple modalities to tailor treatment plans that best meet the unique needs of each individual. Outside of his professional work, Sibi is dedicated to continuous learning and personal growth. He regularly attends workshops and conferences to stay abreast of the latest advancements in mental health therapy. Sibi also believes in the importance of self-care and encourages his clients to engage in practices that promote overall well-being. Through his work, Sibi Selvarajah continues to make a profound impact on the lives of those he serves, helping them navigate their mental health journeys with hope and resilience.

Dr. Richard Rise has created a successful career as a psychiatrist over the past 30 years. He has participated in a variety of treatment settings and has developed a wealth of experience at both prescribing medications, providing therapy, counseling, and even coaching. He takes an individual approach to treating others, recognizing individuals as unique and worthy of love, respect, and acceptance. He is compassionate, non-judgmental, and truly enjoys helping others. He tends to gravitate towards a combination of medication management (if indicated) and psychotherapy where he treats all facets of the individual. Dr. Rise believes that we are all unique and should be treated as such. He spent most of his career in private practice until deciding to retire in 2014. After this he spent the next 3 1/2 years, reading, studying, traveling, and spending time with his loved ones. In 2018 he was offered a position as a consultant overseeing Ketamine infusion therapy for treating treatment-resistant depression. When the pandemic hit in March of 2020, Dr. Rise was asked to assist a local psychiatric hospital deal with the unique and often deadly consequences of the virus. This proved to be a wonderful opportunity for personal growth and to improve the quality of life of many others. After working at the hospital for the 2 years, Dr. Rise joined Talkiatry to continue providing high-quality psychiatric care to others in a very loving, supportive, creative, and collaborative environment.

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. Theresa Colberg is a board certified adult psychiatrist. She offers guidance with navigating difficult and painful emotions that may result from stressful life situations, such as the loss of or separation from a loved one, work related stressors, burn out, adult and childhood trauma, OCD and mood disorders including major depressive disorder, bipolar disorder, and various anxiety disorders. Within a safe, and supportive working relationship, Dr. Colberg will strive to reach an understanding of your unique situation, identify the issues that are interfering with progress, and develop a plan to better identify and achieve your goals.

Previous to joining Talkiatry, Dr. Colberg served as a clinical psychiatrist for the VA Healthcare System, providing care for veterans with a predominant focus on treatment of post traumatic stress disorder. She has also worked collaboratively as an integrated psychiatrist for a primary care FQHC, treating primarily trauma and stressor related disorders within a primary care setting.

Dr. Colberg completed her Psychiatry Residency from Mount Sinai-Beth Israel in New York City and obtained her medical degree from Temple Medical School in Philadelphia. She offers 60-minute initial appointments and 30-minute follow-up appointments, and she won't hesitate to collaborate with other mental health experts as necessary to better support your needs.

Tammi Schrager, LCSW, CCBT, is a bilingual (Spanish-fluent) therapist licensed in Texas and Illinois with over 20 years of experience. She earned her MSW from Loyola University Chicago and her BA in Human Services from Kendall College, receiving the Distinguished Student Award. She completed intensive Spanish language study in Mexico and Costa Rica. Her career spans Alzheimer’s care (Distinguished Service Award), Director of Social Services in skilled nursing, discharge coordination at Schwab Rehabilitation Hospital, police liaison and crisis responder, and community mental health serving diverse and underserved populations.

Tammi provides a safe, confidential, HIPAA-compliant space grounded in cultural humility and respect. She works with individuals, couples, and families facing trauma, PTSD, anxiety, depression, ADHD, ASD, mood disorders, and work or collegiate stress. Her style is collaborative, compassionate, and systems-oriented, integrating CBT, EFT, IFS, attachment work, and ABA. She values measurable progress and uses tools such as PHQ-9 and GAD-7 to guide care.

Tammi begins with a comprehensive assessment of personal, cultural, and environmental factors. She develops individualized, evidence-based treatment plans with clear goals and regular progress reviews. Sessions combine cognitive restructuring with skills training and mind-body techniques such as progressive muscle relaxation and paced breathing to reduce anxiety and trauma responses.