C-PAC Psychiatric Consultants

Dr. Fred Michel, M.D. is dually board certified in Adult and Child/Adolescent Psychiatry. He is the Chief Medical Officer for Summitstone Health Partners in Ft. Collins and provides corporate leadership direction, clinical oversight as well as a variety of direct consultation, evaluation, and psychopharmacological management services to adult and child patients. Dr. Michel presents nationally on child and adolescent mental health issues and has special interests in healthcare reform, integrated care strategies, emerging healthcare technologies, meaningful use and EMR optimization for behavioral health settings.





Dr. Andrew A. Halpern, D.O. is a Child & Adult Psychiatrist and Diplomate of the American Board of Psychiatry and Neurology, Inc. Dr. Halpern serves as a staff psychiatrist at Centennial Mental Health Center providing much needed support to northeast Colorado. In addition, he provides consultation and on-call psychiatric services for The Jefferson Center for Mental Health and Rite of Passage. Dr. Halpern formerly served as a Staff Child & Adult Psychiatrist at Highlands Behavioral Health, The Medical Center of Aurora, New Vistas/Jefferson Hills, Community Reach Center, and North Range Behavioral Health and has provided school-based psychiatric services for the Adams 12 school district.




Dr. Ronald Rabin, M.D. received his medical school and psychiatric residency training at the University of Cincinnati. After serving two years in the army, at Fitzsimmons Army Medical Center, he went on to direct the psychiatric inpatient unit at The Children’s Hospital. Later he served as medical director of the children’s and adolescent programs at Bethesda Hospital. Currently, Dr. Rabin is in private practice and serves on the clinical faculty of the division of Child and Adolescent Psychiatry at CU Denver.





Dr. Cristi Bundukamara, Ed.D, PMHNP-BC, is a board certified psychiatric nurse practitioner with over 20 years of experience in treating acute and chronic mental illness across the lifespan. She is well versed in neuropsychiatry, developmental disorders, children with special needs and alternative medicine.                    Dr. Bundukamara is an officer in the United States Naval Reserves and has extensive experience in treating active duty service members and veterans with PTSD. She is a clinical Professor with the University of Colorado, Regis University, Colorado State University and a former Associate Senior Professor at Miami Dade College. Dr. Bundukamara is a published author and developer of a copyrighted cognitive behavioral technique which she uses in her private practice.




C-PAC Administrative Staff


Christine Andersen, LPC. Director of Integrated Care and C-PAC. Christine graduated with her Bachelors of Arts from Carroll College in Helena Montana and Masters of  Science in Mental Health and Counseling from Walden University. Christine began her work in the field of mental health well before she earned her bachelor’s degree, working as a mental health technician in an acute psychiatric treatment program. It was this first job in the field of acute mental health that shaped Christine’s ongoing dedication to providing treatment and quality clinical programming to those with mental illness. At Beacon Health Options Christine directs the Colorado Psychiatric Access and Consultation (C-PAC) program and team. Christine is also directing the Population Health Stratification process to identify members of the membership who have gaps in care, are over utilizing high cost services and maybe changing stratification levels. Within the stratification and population health reporting she is also measuring the impact of numerous   interventions in the population health plan to determine their effectiveness in engaging our membership in a variety of wellness and condition specific programs. Additionally, Christine is facilitating the promotion, education and community coordination of programs and services to  address the Social Determinants of Health and integrating this work into the Health Neighborhoods and individual RAE Population Health stratification, which also informs the Population Health plans.



Amy Annett, MA. C-PAC Care Coordinator.  Amy has worked in the field of behavioral health and substance abuse treatment for over 20 years as a care manager, utilization review manager, and a behavioral health coach. She moved from New Mexico to Colorado a few years ago and loves exploring the state. Amy graduated from Webster University with a Master’s Degree in Counseling and is working on completing her Ph.D. in Industrial/Organization Psychology. She enjoys spending time with her husband, son, and fur babies. Amy is committed to helping the residents of Colorado achieve their fullest potential through improved access to services.







Stacey Crowl. C-PAC Program Clinical Assistant.  Stacey has provided invaluable administrative support to the C-PAC team since 2016. She prides herself on providing excellent customer service to her team, customers, PCP offices and patients. She believes in Beacon Health’s mission to help individuals live their lives to their fullest potential. Stacey is a native of Colorado and enjoys its beauty and the many adventures it has to offer.