Dr. Oxenberg obtained her Ph.D. in clinical psychology from Loyola University of Chicago, completed her clinical internship at Beth Israel Hospital of the Harvard Medical School, and completed two subsequent post-doctoral fellowships in Managed Behavioral Health Care through Harvard Pilgrim Health Care and University Health Service of Harvard University. Dr. Oxenberg is licensed to practice clinical psychology in Massachusetts and New Hampshire.

In addition to her practice at The Counseling Center of Nashua, Dr. Oxenberg is the co-founder of the Boston International Center and is an instructor of psychology at the Harvard Medical School. She also has a private practice in Cambridge, Massachusetts.

Dr. Oxenberg practices psychotherapy and psychological assessment and maintains specialty interests and expertise in the treatment of a wide range of difficulties including anxiety, depression and other mood disorders, and recovering from trauma. She has additional interests in relationship/couples therapy, cross-cultural concerns, and spirituality and psychotherapy.