Cambridge Counseling Associates, LLP
- Confidential psychological and mental health services in Harvard Square.
- http://www.cambridgecounseling.com/

Two Brattle Center
- A private psychiatric facility offering programmatic, group, and individual treatment services. Site includes information about staff, programs, research, treatments, and links.
- http://www.twobrattle.com/

North Charles, Inc.
- Offers mental health and addiction treatment services. Highlights of programs and job opportunities.
- http://www.northcharles.org/

MultiCultural Psychotherapy Associates
- Association of mental health professionals which offers treatment to individuals, couples, families and groups. Services for English, Spanish, Portuguese and French speakers. In Central Square.
- http://www.multiculturalpsychotherapy.com

Tapestry Counseling
- Offering feminist therapy for women and men. Between Harvard and Porter Squares.
- http://www.tapestrycounseling.org/