Our Clinical Staff
All of our staff are individually licensed in their respective disciplines, and all have had many years of specialized training and experience. You or your family member may work with only one of our clinical staff, or may see more than one (for example, a psychiatrist may see you to prescribe and monitor medication, while you see a psychiatric social workers or a clinical psychologist for psychotherapy).
Bruce Black, M.D.
Bruce Black, M.D. is the founder and Director of Comprehensive Psychiatric Associates. He is Board Certified by the American Board of Psychiatry & Neurology in Adult Psychiatry and in Child & Adolescent Psychiatry, and has expertise in psychopharmacology, Mood and Anxiety Disorders, and Attention Deficit Disorder. He graduated from Stanford University School of Medicine in 1983, and completed residency training in Psychiatry at Tufts Medical Center and in Child and Adolescent Psychiatry at Brown University. Prior professional experiences include serving as Director of Outpatient Psychiatry and of the Mood Disorders Program at Tufts Medical Center, and as Chief of the Anxiety Disorders Outpatient Research Program at the National Institutes of Health in Bethesda, Maryland. Dr. Black is the author of over thirty-five scholarly papers and chapters in major medical textbooks. He is Assistant Professor of Psychiatry at Tufts University School of Medicine, is a Distinguished Fellow of the American Psychiatric Association, and is a member of the Executive Committee of the Massachusetts Psychiatric Society.
Audrey Nathan, LICSW
Associate Director, Psychiatric Social Worker
Audrey Rubin Nathan, LICSW is the Associate Clinical Director of Comprehensive Psychiatric Associates. A clinical social worker who received her Masters of Social Work from Syracuse University, she has both administrative and clinical experience in inpatient, outpatient, academic and state agencies and provides psychotherapy to individuals, couples and families. She has particular expertise in offering consultations to parents with both minor and adult children with psychiatric disabilities and child and adolescent developmental issues. Other areas of specialty include marriage and family problems, women's issues, and attention deficit disorders. Before coming to CPA in April of 1999, she served as Program Director for Child and Adolescent Services at Westwood Lodge Hospital, was Associate Director of the McLean Taunton Adolescent Unit and provided clinical supervision to students at Simmons' and Smith's graduate schools of social work.
Medical Doctors (M.D.), with four to five years of specialized residency training after medical school in the evaluation and treatment of mental health problems. (Child and Adolescent Psychiatrists train as general psychiatrists, and then complete two more years of sub-specialty training in child development and the evaluation and treatment of psychiatric disorders in children and adolescents.)
Charles E. Adler, M.D.
Charles E. Adler, M.D. is Board Certified in Psychiatry by the American Board of Psychiatry and Neurology. He has expertise in psychopharmacology, Mood and Anxiety Disorders, and adult Attention Deficit Disorder. Dr. Adler graduated Magna cum Laude from Harvard University in 1974 and from University of Pennsylvania School of Medicine in 1978. He completed residency training in Psychiatry at McLean Hospital. From 1988 to 1998, Dr. Adler served as Medical Director of Westwood Lodge Hospital. Dr. Adler has been recognized as a distinguished fellow by the American Psychiatric Association and is an Assistant Clinical Professor of Psychiatry at Boston University School of Medicine.
Steven J. Auster, M.D.
Steven J. Auster, M.D. is Board Certified by the American Board of Psychiatry & Neurology in Adult Psychiatry and in Child & Adolescent Psychiatry. He has special expertise in psychopharmacology, Attention Deficit Disorder, Pervasive Developmental Disorders, and Mood and Anxiety Disorders. Dr. Auster graduated from Wayne State University School of Medicine in 1977.He completed residency training in Psychiatry at Boston University Medical Center and in Child and Adolescent Psychiatry at McLean Hospital–Harvard University. Prior professional experiences include serving as Director of Child and Adolescent Psychiatry at Boston Road Clinic in Worcester, as Senior Psychiatrist-in-Charge of the Hall-Mercer Children’s Center at McLean Hospital, and as Director of the Child Mental Health Unit at the University of Massachusetts Medical Center in Worcester.
Ellen Cohen, M.D.
Ellen Cohen, M.D. is a Psychiatrist with expertise in psychopharmacology of depression and anxiety disorders. She is Board Certified in Psychiatry. Dr. Cohen graduated from Barnard College, has a master's degree from Columbia University School of Social Work, and received her M.D. from Jefferson Medical College in 1986. She completed residency training in Psychiatry at Tufts University in 1989 as well as a fellowship in Consultation Psychiatry at Brigham & Women’s Hospital. Dr. Cohen is a Clinical Assistant Professor of Psychiatry at Harvard Medical School.
Stephanie Davidoff, M.D., Ph.D.
Stephanie Davidoff, M.D., Ph.D. is a Psychiatrist with expertise in mood and anxiety disorders and women’s mental health, including hormonal and pregnancy-related conditions. She is Board Certified in Adult Psychiatry . Dr. Davidoff obtained a Ph.D. in Physiology and Biophysics from SUNY at Stony Brook in 1987, and graduated from University of Maryland at Baltimore School of Medicine in 1991. She completed residency training in Psychiatry at McLean Hospital in 1995, where she also completed a Neuroscience Research Fellowship in 1997.
Laurie Hammer, M.D.
Laurie Hammer, M.D. is Board Certified in Psychiatry by the American Board of Psychiatry and Neurology. She has expertise in psychopharmacology, mood and anxiety disorders, and attention-deficit hyperactivity disorder. Dr. Hammer graduated from McGill University Faculty of Medicine in 1981. She completed residency training at McLean Hospital in 1987. She held faculty appointments at Vanderbilt University Hospital and UMass Medical Center, where she worked on inpatient and outpatient units and taught psychiatric residents. She has been in private practice since 1991.
Doreen Kalter, M.D.
Doreen Kalter, M.D. is Board Certified in Psychiatry by the American Board of Psychiatry and Neurology. She has expertise in individual psychotherapy and in psychopharmacology. Dr. Kalter graduated from Cornell University in 1972 and from New York University School of Medicine in 1976. She completed residency training in Internal Medicine at Barnes Hospital, St. Louis in 1978, and residency training in Psychiatry at Massachusetts Mental Health Center in 1981.
Marisa Mendel, M.D.
Marisa R. Mendel, M.D. is a Child & Adolescent Psychiatrist who specializes in children, adolescents, and young adults, providing psychotherapy and psychopharmacologic consultation and treatment. She is Board Certified by the American Board of Psychiatry & Neurology in Adult Psychiatry and in Child & Adolescent Psychiatry. Dr. Mendel graduated from Cornell University and received her M.D. from SUNY Upstate School of Medicine. She completed residency training in Psychiatry and in Child & Adolescent Psychiatry at Harvard University.
Michael Posternak, M.D.
Michael Posternak, M.D. is Board Certified in Psychiatry. Dr. Posternak received his B.A. in Philosophy from Trinity College, his medical degree from Boston University, and completed residency at Rhode Island Hospital. Prior to joining Comprehensive Psychiatric Associates in 2008, Dr. Posternak spent two years working in the Massachusetts General Hospital's Depression Clinical and Research Program. Dr. Posternak has authored and co-authored over 50 publications, and currently serves on the editorial board of the Carlat Report. In addition to his background in mood disorders, Dr. Posternak has extensive experience in conducting diagnostic evaluations, and treating anxiety disorders and attention deficit disorder, among others. In his practice, he attempts to integrate a variety of approaches to complement the role of medications, and also enjoys working with both couples and families. Dr. Posternak is also a participant in the Give an Hour program in which he provides mental health treatment for veterans in need.
Jeff Zhao, M.D.
Jeff G. Zhao, M.D. is Board Certified in Psychiatry by the American Board of Psychiatry and Neurology. He has expertise in Psychopharmacology, Mood Disorders, Anxiety and Trauma-related Disorders, Adult ADHD, and Cultural Psychiatry. Dr. Zhao graduated Magna cum Laude from Dartmouth College in 2008 and obtained his M.D. from Washington University in St. Louis School of Medicine in 2012. He completed residency training in Psychiatry at theUniversity of Pennsylvania in 2016, and subsequently worked as Clinical Instructor in Penn's faculty prior to joining CPA. Dr. Zhao is fully bilingual in English and Mandarin.
Psychiatric Clinical Nurse Specialist
Psychiatric Clinical Nurse Specialists: Nurse practitioners with advanced training as mental health specialists (A.P.R.N.), licensed and certified to provide direct, individual mental health care and to prescribe medication in collaboration with a physician.
Gail Hanson-Mayer, A.P.R.N.
Psychiatric Clinical Nurse Specialist
Gail Hanson-Mayer, A.P.R.N. is a Psychiatric Clinical Nurse Specialist with expertise in adult and adolescent psychopharmacology and Substance Abuse Disorders. Prior professional experience includes serving as Chief of Clinical Services for Choate Health Systems of Choate Psychiatric Associates. Ms. Hanson-Mayer received her training from Massachusetts General Hospital School of Nursing and Boston University.
Clinical Psychologists: Doctorate level clinicians with either a Ph.D., Psy.D., or Ed.D.
Edward Bauman, Psy.D.
Ed Bauman, Psy.D. is a Clinical Psychologist with over 30 years of experience working with adults, adolescents, and children in individual, couples, and family psychotherapy. Prior to joining CPA, Dr. Bauman worked for over 20 years at Harvard Vanguard Medical Associates. He has previously served as Clinic Coordinator of the Human Relations Center and Clinical Assistant Professor of Psychology at the University of Southern California. Dr. Bauman received his doctorate in psychology from the University of Denver in 1981. Areas of expertise include cognitive-behavioral therapy, anxiety disorders, depression, bereavement, and family issues.
Debora Bolter, Ph.D.
Debora Bolter, Ph.D. is a Clinical Psychologist providing individual, family, and couples psychotherapy for children, adolescents, and adults. She received her Ph.D. from Boston University and completed post-graduate training at Harvard University and Beth Israel Hospital. In addition to treating children and adults with mood and anxiety disorders, relationship, and parenting difficulties, Dr. Bolter has expertise treating issues related to infertility.
Paul Callahan, Psy.D.
Paul Callahan, Psy.D. is a Clinical Psychologist with over fifteen years experience treating children, adolescents, adults and couples. He received his Psy.D. from Massachusetts School of Professional Psychology in 1991. For many years, he specialized in treating children with Autism spectrum disorders and consulting to their families and schools. He also has interest and expertise in psychotherapy with adult men facing relationship challenges.
Margaret Freilich, Psy.D.
Margaret (Peg) Freilich, Psy.D. is a Clinical Psychologist with over 15 years experience treating children, adolescents, and adults. She received her B.S. from Tufts University, a M.S. in Counseling Psychology from Northeastern University and her Psy.D. from Florida Institute of Technology. In addition to working privately she has been on staff at Children’s Charter Inc. and Franciscan Hospital for Children. Dr. Freilich is also a trained school advocate and has extensive experience working with families of children with special needs, medical issues, trauma, mood disorders and Attention-Deficit Hyperactivity Disorder.
Linda Kames, Psy.D.
Linda D. Kames, Psy.D. is a Clinical Psychologist with over 30 years experience providing cognitive behavioral psychotherapy for individuals and couples. Dr. Kames received her doctorate in psychology from the University of Denver in 1981. Before arriving at Comprehensive Psychiatric Associates in 2003, she maintained private practices in Los Angeles, CA and then Newton, MA and held positions at UCLA Medical Center, Lowell General Hospital and St. Elizabeth's Medical Center. Dr. Kames was adjunct professor at UCLA Medical School and clinical instructors at Harvard and Tufts Medical Schools. Areas of special expertise include anxiety disorders, stress and pain management, coping with chronic illness, couples' and sexual problems and women's health issues.
LuAnn Keough, Ph.D.
LuAnn Keough, Ph.D. is a Clinical Psychologist specializing in the treatment of children and adolescents, including young children with developmental disorders, PDD & Asperger’s Disorder, Anxiety Disorders, Attention-Deficit Hyperactivity Disorder, and other behavioral difficulties. She received her Ph.D. from University of Southern Mississippi, completed graduate training at the University of Louisville School of Medicine and at South Shore Mental Health Center in Quincy.
Steven Lessin, Ph.D.
Steven I. Lessin, Ph.D.is a Clinical Psychologist with over 25 years experience treating children, adolescents, and adults. He has expertise in Anxiety Disorders, child and adolescent emotional and behavioral problems, cognitive-behavioral psychotherapy, family and couples therapy, and parent counseling. Dr. Lessin received his Ph.D. from the University of Pittsburgh in 1980, and completed clinical internships at the Boston V.A. Hospital and the New England Medical Center Child Guidance Clinic. He was formerly Coordinator of Child & Adolescent Mental Health Services for Harvard Vanguard in Burlington, and is an Adjunjct Instructor in Psychiatry at Umass Medical School.
Joel Match, Ph.D.
Joel Match, Ph.D. is a Clinical Psychologist with over 30 years experience providing psychotherapy to adults, adolescents, and couples. He received his doctorate from the University of Illinois, Urbana-Champaign. He has served as Director of Psychology at the Brighton-Allston Mental Health Center and Quincy Mental Health Center, and has been in private practice in Newton.
Shellie Miller, Psy.D.
Shellie Miller, Psy.D. is a Clinical Psychologist with expertise in individual psychotherapy, relationship difficulties, mood and anxiety problems, and trauma issues. She received her Doctor of Psychology degree from Yeshiva University in 1988. Prior to joining Comprehensive Psychiatric Associates, she was in private practice in Boston and Framingham.
DeeDee Pike, Psy.D.
DeeDee Pike, Psy.D. is a Clinical Psychologist with over 20 years of experience providing short and long term psychotherapy to adults, couples and adolescents. She received her doctorate in psychology from the University of Denver in 1985. Dr. Pike completed post-doctoral training in Behavioral Medicine at Cambridge Hospital. She has worked at Lowell General Pain Center and St. Elizabeth's Pain Management Center where she provided consultation to the oncology staff and their patients and families. Dr. Pike is trained in numerous approaches to psychotherapy and enjoys working collaboratively with patients to determine an individualized, flexible approach to treatment. Her areas of expertise include anxiety and mood disorders, life transitions, health issues, psychosocial aspects of cancer, and the impact of learning issues in adulthood on work, family life and relationships. Dr. Pike has held faculty positions at Harvard Medical School, Lesley University and Tufts University School of Medicine.
Psychiatric Social Workers
Psychiatric Social Workers: Clinicians with a Masters degree in Social Work (M.S.W.), and licensed as an L.I.C.S.W. (licensed independent clinical social worker).