Mary Free Bed’s team of rehabilitation experts is here to help you recover not only physically but emotionally. Our Psychology service provides care that supports any challenge you’re facing.
• Counseling and psychotherapy for patients and families struggling with traumatic brain injury, spinal cord injury, stroke and other conditions.
• Evaluation of cognitive difficulties, such as memory loss in suspected early Alzheimer’s disease, and recommendation for treatment, independence and safety.
• Coordination of behavioral interventions and health care management.
Lauren Berrill, Psy.D..
Dr. Berrill obtained her Psy.D. from Yeshiva University and completed her pre-doctoral internship at the Icahn School of Medicine at Mount Sinai. She joined Mary Free Bed in 2021 for her post-doctoral residency in lifespan clinical neuropsychology and rehabilitation.
Her interests include the neuropsychological assessment of individuals across the lifespan with complex neuromedical, psychiatric and cognitive difficulties, including head trauma, congenital and acquired neurologic conditions. She also enjoys working therapeutically using cognitive remediation to optimize recovery and adaptive functioning.
Nia Billings, Ph.D.
Dr. Billings is a clinical psychologist who joined the inpatient rehabilitation team at Mary Free Bed at Covenant HealthCare in 2020. She helps patients adjust to and overcome challenges following an illness or serious injury.
She holds a master’s degree in Counseling Psychology from Loyola University Maryland and earned a doctorate in Clinical Psychology from Wayne State University. Dr. Billings completed her pre-doctoral internship at the Cincinnati VA Medical Center and a post-doctoral fellowship in neurorehabilitation psychology at the University of Kansas Medical Center.
Prior to completing her doctoral program, Dr. Billings worked as a researcher at Johns Hopkins University and the National Institutes of Health, and as a community advocate and service coordinator for adults with developmental disabilities.
Beth Blackbird, Psy.D., ABPP (RP)
Dr. Blackbird, who joined Mary Free Bed in 2001, is board certified in rehabilitation psychology by the American Board of Professional Psychology. She’s a member of Division 22 of the American Psychological Association. Her special interests include working with patients and families dealing with spinal cord injury, cancer, stroke, neuromuscular/neurodegenerative disorders, dementia and acquired brain injury. Her focus is on helping people develop resilience and coping strengths in the face of trauma, disability and other major life transitions.
Dr. Blackbird did therapy and diagnostic practicums at the Shirley Ryan Ability Lab (formerly the Rehabilitation Institute of Chicago) and at the University of Chicago, Billings Hospital. She completed her internship at Illinois Masonic Medical Center and a fellowship at Magee Rehabilitation Hospital and Hahnemann University Hospital.
Jacobus Donders, Ph.D., ABPP
Dr. Donders, who’s been with Mary Free Bed since in 1988, serves as chief psychologist. He’s board certified by the American Board of Professional Psychology in clinical neuropsychology, rehabilitation psychology and pediatric clinical neuropsychology. The associate editor of the journals Child Neuropsychology and Archives of Clinical Neuropsychology, he also serves on the editorial boards of several other journals and on the board of directors of the American Board of Clinical Neuropsychology. He has more than 100 publications in peer-reviewed journals.
Dr. Donders is a fellow of the National Academy of Neuropsychology and of Divisions 40 (Society for Clinical Neuropsychology) and 22 (rehabilitation psychology) of the American Psychological Association. He has received national recognition for his work from the American Board of Rehabilitation Psychology (Diller Award, 2012) and the National Academy of Neuropsychology (Reitan Award, 2019.)
Roger Erickson, Ph.D.
Dr. Erickson is on the inpatient pediatric rehabilitation and outpatient day rehabilitation teams, helping children and their families cope and adjust to hospitalization and medical illness and injury. He joined Mary Free Bed in 2016.
Dr. Erickson earned a doctorate in clinical psychology from Fuller Theological Seminary and three years of specialized post-doctoral training. He first completed a one-year pediatric psychology post-doctoral fellowship through the University of Arkansas for Medical Sciences, a training program that included working with patients with chronic medical conditions and developmental disabilities, and specialized interdisciplinary training through the Leadership and Education in Neurodevelopmental Disabilities program. He also completed a two-year fellowship in pediatric rehabilitation psychology and neuropsychology through the University of Michigan Health System, Department of Physical Medicine and Rehabilitation.
Timothy Gruppen, Psy.D.
Dr. Gruppen joined Mary Free Bed in 2013. He earned a master’s degree and doctorate in clinical psychology from Wheaton College. He completed his pre-doctoral internship at Meier Clinics and began working in the rehabilitation field at Methodist Rehabilitation Center during his post-doctoral training.
Dr. Gruppen enjoys working with patients with a variety of rehabilitation concerns, including stroke, spinal cord injury, brain injury, concussion and oncology. He’s a member of Division 22 of the American Psychological Association.
Michael Scholz, Psy. D.
Dr. Scholz joined Mary Free Bed in 2021 as a neuropsychology postdoctoral resident. He received his doctoral degree in Clinical Psychology from Wheaton College after completing his predoctoral internship at the University of Texas Health Science Center at Tyler. He received his master’s degree from Sam Houston State University.
A member of Division 40 of the American Psychological Association, his interests include neuropsychological assessment of individuals experiencing a variety of neuropsychiatric concerns, brief psychotherapy with those experiencing mood disorders, autoimmune conditions that affect cognitive functioning and cognitive rehabilitation.
Maggie Travin, MA, LLP, LPC
Maggie, who joined Mary Free Bed in 2016, has served patients with developmental and acquired disabilities in a variety of positions since 2010. She began working in the rehabilitation field with University of Michigan’s Spinal Cord Injury Modeling Systems in 2013 and has continued her work in both research and clinical capacities.
She earned a master’s degree in clinical psychology from the Chicago School of Professional Psychology. Her interests include cancer rehabilitation, post-concussion, spinal cord injury and trauma assessment and treatment.
Jessica Tsou, Psy.D.
Dr. Tsou has been with Mary Free Bed since 2016. She completed her doctoral degree in clinical psychology from Nova Southeastern University, a pre-doctoral internship at Broward Health Medical Center and a post-doctoral fellowship in neurorehabilitation psychology at the University of Kansas Medical Center.
Her interests include assessment and treatment of adults with traumatic brain injury, stroke, spinal cord injury and medical complexities.
Kate Wilson, Ph.D., ABPP
Dr. Wilson obtained her Ph.D. from the University of Nebraska-Lincoln in 2009 and completed an internship at Oregon Health Science University’s Child Development and Rehabilitation Center, a LEND program. She did her post-doctoral residency at Mary Free Bed in 2011. Dr. Wilson worked with the pediatric acute and rehabilitation teams at Wake Med before returning to Mary Free Bed in 2017.
Her primary interests include the neuropsychological assessment of children and adolescents with neurological and developmental concerns, such as traumatic brain injury, concussion, spina bifida and sickle cell disease, as well as working with underserved populations.
Carrie Pappas, MA, LLP
Carrie earned a master’s degree in counseling psychology with a graduate certificate in holistic health from Western Michigan University. She’s been with Mary Free Bed since 2003 and enjoys working in the outpatient setting, providing therapy services to patients experiencing mood and anxiety and/or other adjustment difficulties after concussion. She also provides weight loss and weight maintenance services through the Mary Free Bed Weight Management program.
Physical and emotional health are closely linked, and the role of psychology in chronic pain management is significant. Our pain psychologists employ a personalized approach to treatment.
Kimberly Bancroft, Ph.D.
Dr. Bancroft joined Mary Free Bed in 2017. She completed a doctorate in Clinical Psychology from Western Michigan University and her pre-doctoral internship in Pediatric Psychology/Consultation and Liaison at The Kennedy Krieger Institute/Johns Hopkins University.
She’s worked in a variety of settings, including outpatient behavioral health clinics, inpatient psychiatric units, acute and rehabilitation hospitals, and residential settings. She has experience with clients across the lifespan, with particular emphasis on youth with acute and chronic medical conditions and neurodevelopmental concerns, and their families.
Dr. Bancroft treasures the opportunity to help people and their loved ones learn strategies to manage their health in order to return to valued activity.
Aex Barr, Psy.D.
Dr. Barr joined Mary Free Bed in 2021 for a post-doctoral fellowship in pain psychology. They completed their doctoral degree in clinical psychology at Pacific University, a pre-doctoral internship at HealthEast Care System/M Health Fairview, and a holistic sex therapy certificate program at the Institute for Sexuality Education and Enlightenment. Dr. Barr has an adjunct assistant professor affiliation with Michigan State University College of Human Medicine.
Dr. Barr has worked in a variety of settings, including primary care, outpatient integrative health clinics, inpatient psychiatric units and acute-care and rehabilitation hospitals. They are passionate about supporting patients in making sustainable lifestyle changes to promote their overall health and wellbeing. Dr. Barr’s special clinical and research interests include chronic pain, women’s health, gender and sexuality, and body image.
Anthony Bonita, Ph.D.
Dr. Bonita earned his doctorate degree in Clinical Psychology from Western Michigan University. He completed his predoctoral internship at the Battle Creek VA Medical Center and went on to join the VA as a staff psychologist working in a recovery framework with veterans struggling with issues such as homelessness, depression, trauma and substance use.
He joined Mary Free Bed in 2018 and provides services with the Pain Rehabilitation Program based in Kalamazoo. In addition to chronic pain, he has interests in helping people recover from anxiety, depression and sleep disorders as well as helping people improve their relationships.
Julia Craner Cooper, Ph.D., ABPP
Dr. Craner Cooper is a clinical psychologist and the team leader for pain psychology at Mary Free Bed. She completed her doctoral degree at the University of Maine, an internship at the VA Ann Arbor Healthcare System and a postdoctoral fellowship in Health Psychology at the Mayo Clinic. She is board certified in Behavioral and Cognitive Psychology and has an adjunct assistant professor affiliation with Michigan State University College of Human Medicine. Dr. Craner Cooper also has an appointment as a research associate in the Center for Research and Innovation at Mary Free Bed.
Her clinical and research interests focus on the way individuals interpret and respond to somatic symptoms, such as chronic pain, and how these can be modified in treatment to improve outcomes. She has over 40 publications in this area. Dr. Craner Cooper, who joined Mary Free Bed in 2017, also is interested in evaluating treatment outcomes and dissemination of evidence-based practices for chronic pain.
Lindsay Flegge, Ph.D.
Dr. Flegge joined Mary Free Bed in 2020 for her post-doctoral fellowship in pain psychology and continued on as a licensed psychologist in the Holland office. She holds master’s degrees from both Indiana University and Ball State University. She earned her doctoral degree in school psychology from Ball State and completed her pre-doctoral internship at IU Health Ball Memorial Hospital.
She enjoys working therapeutically with adult patients with a variety of presenting concerns. She has a special interest in women’s health, gender and sexuality, religious trauma and holistic wellness. She’s also interested in research and has several recent publications related to chronic pain.
Krissa Kirby, Psy.D.
Dr. Kirby joined the Mary Free Bed Pain Rehabilitation Program in 2018 and sees patients in Grand Rapids. She completed her doctorate in Psychology at the Illinois School of Professional Psychology in Chicago, a pre-doctoral internship at Primary Children’s Medical Center in Salt Lake City and a post-doctoral residency at Health & Pediatric Psychology Associates in Bonita Springs, Florida. She has an adjunct assistant professor affiliation with Michigan State University’s College of Human Medicine.
Dr. Kirby treats children and adolescents struggling with a variety of chronic pain conditions, including chronic back pain, headaches, amplified musculoskeletal pain syndrome, Ehlers Danlos syndrome and complex regional pain syndrome. In addition to pediatric chronic pain, she has a special interest in the adverse childhood experiences, family systems and the biological, psychological and social factors contributing to chronic pain.
Eric Lake, M.A., LLP
A master’s-level psychologist who specializes in the treatment of chronic pain, Eric joined the Mary Free Bed Pain Rehabilitation Program in 2016. Eric focuses on the use of evidence-based psychological treatment for chronic pain, helping patients get back to the things in life which are most important to them. In addition to individual therapy, Eric enjoys providing group treatment for chronic pain and research into pain and its treatment. He values the development of a collaborative relationship, working with patients to achieve goals that increase quality of life.
Eric received his master’s degree in Counseling Psychology from Western Michigan University and practices as a Limited Licensed Psychologist. He’s a certified alcohol and drug counselor and has experience in the treatment of pain, mental health issues and substance use disorders in several different settings.
Kathryn McLean, Psy.D.
Dr. McLean earned her doctorate in Clinical Psychology from Wheaton College. She completed her predoctoral internship and residency at Lawndale Christian Health Center. Dr. McLean continued to work at the FQHC providing behavioral health primary care consultation services before joining Mary Free Bed and the Pain Rehabilitation team in Muskegon in 2021.
Her clinical interest to provide care in an interdisciplinary setting to address the intersection of mind and body on health, and to empower patients to live more consistently with their values and goals.
Arianna Perra, Psy.D.
Dr. Perra specializes in working with patients with chronic illnesses and the many ways health issues can impact our lives. She joined Mary Free Bed in 2020 with 12 years of experience across chronic pain, rehabilitation and hospital settings.
Dr. Perra earned her doctorate in Clinical Psychology from Loyola University Maryland. Her areas of focus include interdisciplinary care, evidence-based psychotherapies, collaborative treatment planning, the sociocultural context of mental health and training and supervision.
Heather Dermyer, Ph.D.
Dr. Dermyer, a clinical health psychologist who specializes in pain management, trauma and sport psychology, joined Mary Free Bed in 2018. She earned a master’s degree in Health Psychophysiology and a doctorate in Integrative Health Psychology from Saybrook University. In addition to experience in many health care settings, Dr. Dermyer has instructed doctoral students in mind-body medicine and was a mind-body specialist at the United States Olympic training site in Marquette, where she worked with Olympic-hopeful athletes, among others. She’s also worked with the Green Bay Packers, the Northern Michigan University football team and the United States cross country team.
While working at inpatient and outpatient substance abuse facilities, she gained contractual experience with the Federal Bureau of Prisons and the Michigan Department of Corrections with incarcerated individuals.
Dr. Dermyer (and her registered therapy dog) work for Mary Free Bed in Traverse City, where she conducts opioid assessments, presurgical evaluations and provides treatment for teens and adults with a range of psychological needs.
Mariceli O'Neill, Psy.D.
Dr. O’Neill earned her doctoral degree in Clinical Psychology from Ponce Health Sciences University in Puerto Rico. She completed her pre-doctoral internship at PHSU and a post-doctoral fellowship in Health Psychology at the Leonard M. Miller School of Medicine, University of Miami in affiliation with the Jackson Health System in Miami.
She joined Mary Free Bed in 2021, providing services with the Pain Rehabilitation Program in Grand Rapids. In addition to chronic pain, she has clinical experience in a range of psychotherapeutic, assessment, psychoeducational, and consultation services. She provides services in English and Spanish.
Evan Parks, Psy.D.
Dr. Parks earned a master’s degree in Psychology from Western Michigan University and a doctorate in Clinical Psychology from the Forest Institute’s Chicago campus. He completed his post-doctoral fellowship in clinical psychology at Wayne State University School of Medicine. He serves as an adjunct assistant professor in the Division of Rehabilitation Medicine at Michigan State University College of Human Medicine. He has been on staff at Mary Free Bed Rehabilitation Hospital since 2017.
Dr. Parks is the author of the book, “Chronic Pain Rehabilitation: Active pain management to help you get back to the life you love.” He is a contributor to Psychology Today and a mental health expert for WikiHow.
Olga Slavin-Spenny, Ph.D.
Dr. Slavin-Spenny joined Mary Free Bed in 2020. She earned a doctorate in Clinical Psychology from Wayne State University, completed her pre-doctoral internship in Health Psychology at Henry Ford Hospital and her post-doctoral fellowship at the VA Ann Arbor Healthcare System.
Her interests include working with patients with chronic pain, chronic health concerns and trauma. She is a member of Division 38 of the American Psychological Association and the Michigan Psychological Association’s Pain Task Force.
Emily Standish, Ph.D.
Dr. Standish joined Mary Free Bed in 2018. She earned her doctorate in Clinical Psychology from Wayne State University. She completed her pre-doctoral internship at the VA Ann Arbor Healthcare System and her post-doctoral work at the Battle Creek VA Medical Center.
Dr. Standish treats adolescent and adult patients coping with chronic pain conditions at the Mary Free Bed Kalamazoo Southwest location. Her clinical interests include the treatment of trauma and chronic pain.
Donald Topp, Psy.D.
Dr. Topp is a licensed psychologist who earned his doctorate in clinical psychology at Rutgers – the State University of New Jersey. He’s been with Mary Free Bed since 2018.
Prior to joining Mary Free Bed’s Pain Rehabilitation team, Dr. Topp worked in private practice in West Michigan. He treats adults with chronic pain, fibromyalgia, CRPS and headache conditions at the Muskegon site.
Carnigee Truesdale, Psy.D., ABPP
Dr. Truesdale earned a master’s degree in Counseling and a Doctorate in Clinical Psychology, both from Argosy University. She completed her pre-doctoral Internship at Detroit Medical Center Children’s Hospital, then a post-doctoral fellowship with the Consortium of Advanced Psychological Training at Hurley Medical Center.
Dr. Truesdale has worked in a variety of settings, including outpatient behavioral health clinics, inpatient psychiatric units and residential settings. Her experience includes work in behavioral health with pediatric and adult populations.
Board certified in Child and Adolescent Psychology, her interests are in health psychology, pediatrics, women’s interests and program development. Dr. Truesdale joined Mary Free Bed in 2019 as a pain psychologist at the Troy clinic and via telehealth.