The PTAC advises the Joint Commission on standards development and survey procedure changes. It includes representatives from the following organizations:
- Alzheimer's Association
- American Academy of Physical Medicine and Rehabilitation
- American Association for Continuity of Care
- American Association of Homes and Services for the Aging
- AARP
- American College of Health Care Administrators
- American College of Physicians
- American Dental Association
- American Dietetic Association
- American Geriatrics Society
- American Health Care Association
- American Hospital Association
- American Medical Association
- American Medical Directors Association
- American Nurses Association
- American Seniors Housing Association
- American Society of Consultant Pharmacists
- Assisted Living Corporation, at Large
- Assisted Living Federation of America
- Centers for Medicare and Medicaid Services
- Coalition of Rehabilitation Therapy Organizations
- COMISS Network (Network on Ministry in Specialized Settings)
- Consumer Consortium on Assisted Living
- National Association of Activity Professionals
- National Association for Regulatory Administration
- National Association of Social Workers, Inc.
- National Center for Assisted Living
- Public member
- Department of Veterans Affairs