AADP is a professional association for holistic health practitioners founded in 1990 and based in Galveston, Texas. It brings together practitioners from a wide range of disciplines around shared standards in ethics, education, and professional credibility. The organization emphasizes board certification in holistic health, ethical guidelines, continued professional development, and a practitioner directory that supports credential verification and public connection with participating professionals. Its membership includes both newer practitioners and experienced clinicians across the Americas and internationally.