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Meet The Team

Sandra Fritsch, MD

Sandra Fritsch, MD

Sandra Fritsch, MD

Sandra Fritsch, MD

Medical Director

I trained in the Triple Board Program in pediatrics, psychiatry and child and adolescent psychiatry at Brown University. With this training and “being in the right place at the right time”, I have had the privilege to work with pediatric primary care providers throughout my career; supporting the mental health care of youth in the primary care setting. I was in Massachusetts when MCPAP; the Massachusetts Child Psychiatry Access Program was developed and then started the Maine Child Psychiatry Access Program. Being the lead for CoPPCAP is an honor and an exciting opportunity. I have only been in Colorado for three years now and look forward to supporting our pediatric primary care providers throughout the state.

David Keller, MD

Consulting Pediatrician

David M. Keller, MD is Professor and Vice Chair for Clinical Strategy and Transformation in the Department of Pediatrics at the University of Colorado School of Medicine and Children’s Hospital Colorado, where he works as a primary care pediatrician in an integrated pediatric practice in Aurora, as well as a leader in the development of value-based systems of care for children and adolescents. Before moving to Colorado, he was an early adopter within Massachusetts’ Child Psychiatry Access Project and worked to spread the model within Massachusetts. He is a founding Board member of the National Network of Child Psychiatry Access Programs and an active member of the Colorado Chapter of the AAP, where he serves as chair of the Legislative and Policy Committee.

Xiaoshen Jin, PhD

Program Manager

Xiaoshen Jin, PhD, Xiaoshen (Sheow’-Shen), is the Program Manager for CoPPCAP. Her work focuses on the creation and development of CoPPCAP. She is also the Health Care Program Manager at the Department of Psychiatry, in the University of Colorado School Medicine. Prior to joining CoPPCAP/CU, Xiaoshen was the Early Childhood Screening Coordinator at Boulder County Public Health (BCPH). She also served as the leader and facilitator of Boulder County Assuring Better Child Health and Development (ABCD) Partnership. She led and facilitated multidisciplinary partnerships to advance and improve the early childhood systems, which include promoting and supporting the developmental screening process for young children in Boulder County. Xiaoshen presented collective impact work regarding the developmental screening and referral process at the Zero to Three Annual Conference in 2018. She received her doctorate degree of Psychology from the University of New Mexico. She enjoys the state’s wonderful outdoor activities, cooking and spending time with family and friends.

Kristin Larpenter, MS

Sr. Clinical Care Coordinator

Kristin joined the University of Colorado in July 2019 as the clinical care coordinator for CoPPCAP (Colorado Pediatric Psychiatry Consultation and Access Program). Previously she was a crisis counselor responsible for navigating the treatment needs of clients through telephonic, mobile, and walk-in crisis services. Additionally, she was a preschool teacher where she helped children develop their intellectual, physical and emotional skills. She has also worked as an intake specialist and conducted utilization review. Kristin graduated from the University of Kansas with a Bachelor of Arts degree in Psychology and a Master of Science in Education degree in Counseling Psychology.

Austin Butterfield, MD

Child Psychiatrist

Austin Butterfield, MD

Anastasia Klott, MD

Child Psychiatrist

Anastasia Klott, MD is Child and Adolescent Psychiatrist, who has a special interest in consultation-liaison and emergency psychiatry, as well as academic psychiatry. Anastasia is excited to join the CoPPCAP team. Anastasia has worked on acute inpatient child and adolescent psychiatric units in the past and currently is a member of the consultation-liaison and emergency psychiatry team at CHCO. Anastasia grew up in south Texas and completed medical school and residency at UTHSC-Houston in Houston, Texas. Anastasia moved to Colorado with her husband to complete her child psychiatry fellowship at the University of Colorado, and then decided to stay here. She enjoys arts and crafts, a good Netflix marathon, and hanging out with her husband and daughter.

Cassidy McNitt, MD

Child Psychiatrist

I am originally from Oklahoma and attended undergraduate and medical school at the University of Oklahoma. I completed my adult psychiatry and child & adolescent psychiatry training at the University of Colorado Anschutz Medical Campus. I am passionate about working to increase access to mental health care and feel CoPPCAP is an important part of brining mental health services to everyone who needs it in Colorado.

John Peterson, MD

Child Psychiatrist

John Peterson, M.D., serves as Attending Psychiatrist in the Emergency Department at Children’s Hospital Colorado. As an Associate Professor of Psychiatry at the University of Colorado, School of Medicine, Dr. Peterson was also the Director of Child and Adolescent Psychiatric Services at Denver Health, retiring after twenty years of clinical service, teaching and research there. He is currently providing emergency psychiatric evaluations of children and adolescents in the ED and he supervises psychiatric crisis assessments. He also provides psychiatric consultation to pediatricians and primary care providers through CoPPCAP, drawing on past experience providing primary care in Colorado communities. Dr. Peterson also provides clinical supervision and teaching for child and adolescent psychiatry fellows. Dr. Peterson completed medical school at the University of California, San Francisco, School of Medicine, residency training in psychiatry at the University of Colorado, School of Medicine, where he also completed a child and adolescent psychiatry fellowship.

Celeste St. John-Larkin, MD

Child Psychiatrist

Celeste St. John-Larkin, MD is Child and Adolescent Psychiatrist, who also has a focus on infant, early childhood and perinatal mental health. She was excited to join the CoPPCAP team about one year ago. She has worked as an integrated psychiatrist with Project CLIMB in the Child Health Clinic for nearly 10 years and enjoys working with pediatric and psychiatry residents. She also sees child and teen outpatients and is the medical director for the Healthy Expectations Perinatal Mental Health Program. Celeste grew up in a small town in the Upper Peninsula of Michigan. She studied history at Northwestern University, and attended Michigan State University, College of Human Medicine, in the rural physician program. She came to Colorado with her husband in 2002 for residency and child fellowship at the University of Colorado and like so many other people, has not been able to leave! She enjoys travel and gardening, though most of her time is spent with her three boys, 14 y/o twins and an 11-year-old.

Ryan Asherin, PhD

Child Psychologist

Ryan Asherin, PhD is a child health psychologist that completed dual fellowships in pediatric integrated primary care and early childhood mental health. Dr. Asherin received his PhD from the University of Colorado Denver’s Clinical Health Psychology program. Originally from Nebraska, he completed his internship training at rural integrated primary care clinics along the northwest panhandle of Nebraska. As part of the CoPPCAP team, Dr. Asherin is involved in data management, program evaluation, educational trainings, website development, and consultations. A firm belief in the importance of preventative healthcare, Dr. Asherin appreciates the need for universal mental health screening within primary care and the difficulties of providing coordinated mental health services within the primary care clinic.

Susan Young, PhD

Program Evaluator

Susan Young, PhD

Jeanne VanCleave, MD

Program Evaluator/Pediatrician

Jeanne Van Cleave, MD, is a general pediatrician and health services researcher, and she is part of the evaluation team at Coppcap. She attended medical school at Washington University School of Medicine and completed residency and fellowship at the University of Michigan Health Systems. Her research interests are in models for pediatric primary care that support PCPs in caring for children and youth with mental health conditions and complex medical conditions. She is a pediatrician in the Special Care Clinic at Children’s Hospital Colorado.

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