
Michael Schmidt, MD
Physician collaboration
Dr. Schmidt earned his medical degree from the Medical College of Wisconsin and completed a family practice residency at Waukesha Memorial Hospital, where he served as chief resident. His background includes family medicine, emergency care, and medical leadership.
His experience also includes serving as a clinical preceptor for physician assistant students. Our clinical team collaborates with Dr. Schmidt through a provider collaboration agreement.

Tasha Porterfield, APRN, FNP-C
Lead substance-use provider · Family nurse practitioner
Tasha is a family nurse practitioner whose work focuses on addiction medicine and medical detoxification. Her experience spans inpatient and telehealth care, including withdrawal assessment, medication management, and care for co-occurring medical and mental health concerns.
She brings a patient-centered, trauma-informed approach to care, taking time to explain treatment, answer questions, and help each person understand their next steps. Her education includes a master’s degree in nursing, a postmaster’s family nurse practitioner certificate, and a bachelor’s degree in psychology from Florida Atlantic University.
At AW Detox, Tasha leads clinical eligibility review in collaboration with Lia Bigelow. During the five-day program, she conducts daily virtual check-ins, records detox evaluations, and follows each client’s response to care.
Richard Eduardo Repass, MD
Psychiatry and addiction medicine
Dr. Repass is a psychiatrist and addiction medicine specialist with experience in telepsychiatry, private practice, and behavioral health leadership. He earned his medical degree from the American University of Integrative Sciences and completed residency training in internal medicine and psychiatry at the University of Louisville School of Medicine.
His leadership experience includes serving as Chief Medical Officer at Comprehensive Healthcare, Physician-CMO at Seattle NAD PLLC, and Assistant Medical Director at Schick Shadel Hospital. He is also the owner and chief of Infinity NAD PLLC.
Dr. Repass’s approach brings attention to the whole person. His clinical interests include substance use disorders, PTSD, ADHD, and the role of lifestyle medicine in mental health and recovery. He considers physical health, sleep, nutrition, activity, stress, and meaningful connection alongside individualized psychiatric treatment.
Lia Bigelow, MA, LPC, LMHC, CAP
Counseling and aftercare planning
Lia’s background includes substance-use counseling, clinical supervision, individual and family support, and treatment program leadership. She earned a master’s degree in counseling psychology from Rosemont College and a bachelor’s degree from the University of Pennsylvania.
Her training includes trauma-informed care and co-occurring mental health and substance-use concerns. Lia helps assess whether our program is right for you and meets with you virtually on day six to discuss your aftercare plan.
Anita Brooks, MSN
Nursing and family nurse practitioner background
Anita earned her Master of Science in Nursing with a family nurse practitioner focus from Chamberlain College of Nursing. Her nursing experience spans internal medicine, oncology, rheumatology, occupational health, and medical-surgical care.
Her work includes patient assessment, individualized care planning, patient and family education, and coordination with other healthcare professionals.
Kai Bigelow
Director of Recovery & Behavioral Health Services
Kai brings more than 20 years of behavioral health experience to his work with individuals and families navigating substance use and mental health challenges. His approach centers on listening, consistency, and trust, with support tailored to each person’s goals.
Kai leads our recovery support programs, including individualized coaching, life skills development, coping strategies, relapse prevention, client advocacy, and care coordination. He works with clients, families, and the care team to help everyone stay connected throughout recovery.