Stephanie Negrey, MD

Background and credentials

Dr. Tyler Josephs is a staff psychiatrist at Talkiatry. He earned his medical degree from Kansas City University in 2017 and completed his psychiatric residency at the University of Kansas Medical Center in 2021. During his residency, he served as Chief Resident at both the University of Kansas Medical Center and the Kansas City VA Medical Center. Most recently, Dr. Josephs worked at the Kansas City VA Medical Center, where he was the psychiatric director of the outpatient mental health clinic and served as Psychiatry Executive for behavioral health services.

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Treatment approach

Dr. Josephs believes in a holistic approach to mental health treatment, integrating medication management, supportive psychotherapy, and collaboration with therapists and support staff. He tailors treatment to each patient's unique needs, ensuring a comprehensive and individualized approach to care. His expertise includes treating a variety of psychiatric diagnoses, such as depression, anxiety disorders (including OCD), ADHD, and PTSD.

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What you can expect in a first visit

In a first visit, patients can expect a thorough evaluation, where Dr. Josephs takes the time to understand their medical history, symptoms, and treatment goals. He emphasizes open communication and collaborative decision-making, ensuring that patients feel heard and supported. Based on this initial assessment, he will develop a personalized treatment plan, which may include medication management and referrals to therapy or other supportive services as needed.

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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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Dr. Mark Sundahl is a board-certified adult psychiatrist. He was born and raised in the suburbs of Kansas City, Kansas. He has always been fascinated by the natural world and received a bachelor’s degree in biology at Kansas State University where he was active in a research lab investigating protein function in the human body. He completed medical school training and residency at the University of Kansas School of Medicine in Kansas City, Kansas along with Wichita, Kansas. Dr. Sundahl has experience working with a broad range of mental health symptoms and a diverse patient population

Dr. Mark Sundahl is a board-certified adult psychiatrist. He was born and raised in the suburbs of Kansas City, Kansas. He has always been fascinated by the natural world and received a bachelor’s degree in biology at Kansas State University where he was active in a research lab investigating protein function in the human body. He completed medical school training and residency at the University of Kansas School of Medicine in Kansas City, Kansas along with Wichita, Kansas. Dr. Sundahl has experience working with a broad range of mental health symptoms and a diverse patient population

Dr. Sundahl understands the importance of collaboration and the therapeutic alliance when working with patients. He will clearly explain his findings and discuss treatment options he feels are reasonable. Dr. Sundahl thinks it is important for patients to have all the necessary information to make informed decisions when it comes to their psychiatric treatment.

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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. Lorangelly Rivera is board-certified in Adult psychiatry and has been practicing for over 5 years. Dr. Rivera focuses on medication management and brief psychotherapy utilizing techniques from cognitive behavioral therapy, psychodynamic therapy, and supportive therapy in 30-minute appointments. When appropriate, Dr. Rivera may recommend additional psychotherapy with a psychologist as part of the treatment plan. She is fluent in both Spanish and English and is passionate about working with the Latinx population. She completed her bachelor's degree in Cellular Molecular Biology from Metropolitan University, San Juan, Puerto Rico, and her postgraduate work at the National Cancer Institute in Bethesda, Maryland. Dr. Rivera received her medical degree from Ponce Health Sciences University School of Medicine, Ponce, Puerto Rico. She completed her residency training in psychiatry at the University of Rochester Medical Center. After completing her training, she began working for Lifespan Physician Group where she became program director for Lifespan Latinx Mental Health Services and served as Staff Psychiatrist at Rhode Island Hospital and The Miriam Hospital. She holds a faculty position in The Warren Alpert Medical School of Brown University, Department of Psychiatry and Human Behavior as a Clinical Instructor. ‍

Cecilia Wild is a board-certified psychiatric-mental health nurse practitioner (PMHNP-BC) with a strong background in treating patients across the mental health spectrum. She earned her Bachelor of Science in Nursing from Illinois State University and began her career in a women’s residential facility specializing in mood disorders, eating disorders, and PTSD. She then transitioned to inpatient adolescent psychiatry, where she became a charge nurse and obtained her Psychiatric-Mental Health Nursing Certification (PMH-BC) from the American Nurses Credentialing Center (ANCC). Inspired by her passion for mental health, she pursued her master's degree at the University of St. Francis to become a PMHNP.  

Cecilia has extensive experience treating patients at all levels of care, including inpatient, PHP/IOP, and outpatient settings. She later transitioned to telehealth, providing medication management to college students. She is passionate about mental health advocacy, particularly within the LGBTQ+ community.  

Cecilia takes a team-based, individualized approach to care. She believes in the importance of education, open communication, and empowering patients in their treatment journey. She emphasizes a holistic perspective, incorporating medication management, therapy, and lifestyle modifications.  

Cecilia prioritizes a trauma-informed approach, recognizing the significant role trauma plays in mental health. She integrates mindfulness techniques, motivational interviewing, and lifestyle changes to support overall well-being. By fostering a collaborative and supportive environment, she helps patients build resilience and achieve their mental health goals.

Dr. Delane Casiano is a board-certified adult psychiatrist with specialized interest and expertise in cultural psychiatry. She earned her undergraduate degree from Brown University and her medical degree from Morehouse School of Medicine. She completed psychiatry residency and research fellowship at the University of Pennsylvania. Such organizations as the American Psychiatric Association, National Institute of Mental Health, and Philadelphia Department of Behavioral Health have recognized her research examining cultural influences on mental health beliefs and service utilization.

Dr. Casiano brings a systems-based, culturally informed perspective to her work. With over 15 years of experience, she has supported individuals with diverse backgrounds and identities. Examples of her leadership of multidisciplinary teams include serving as associate medical director of a women's trauma program and founding an integrated care program for underserved communities. She has directed academic training programs, presented at national conferences, and led numerous community-based events focused on mental health awareness and stigma reduction.

Dr. Casiano values compassion and collaboration in the treatment relationship. She helps patients navigate depression, anxiety, ADHD, and post-traumatic stress, while also supporting those facing major life transitions.

Her approach combines evidence-based medication management, supportive therapy, and

psychoeducation. She tailors each treatment plan to the individual while offering encouragement and structure.