MPA is dedicated to the improvement of our community through the application of knowledge from the field of psychology to the issues and problems of people and organizations. Its members are involved in all areas of psychology and work in settings such as hospitals, clinics, private practice, schools, universities, industry, and community agencies. The MPA works to disseminate information to the public about psychology and its application to various issues. It serves as a resource for individuals and organizations interested in clinical services or in information or education about any of the various areas of psychology.

MPA maintains an "Provider Membership & Referral Directory" for individuals and groups who are seeking clinical services. The psychologists participating in the referral service are all licensed psychologists who can provide services such as individual and group therapy, psychological testing, and consultation to individuals, groups and organizations. Multilingual therapists and therapists trained to help individuals or groups with special needs are available.

MPA develops professional training and education seminars, study groups, and workshops to meet the needs of the general membership as well as the needs of specialized interest groups within the membership.