Structured data is the floor of both modern SEO and GEO. For healthcare providers it has three uses: rich-result eligibility in Google search, location-pack qualification, and grounding context for AI-engine answer extraction.
The recommended floor for an ABA practice is MedicalBusiness or MedicalClinic JSON-LD on the homepage and every location page, plus FAQPage schema on resource pages, plus DefinedTerm schema on glossary entries. Most ABA sites ship with no schema at all, leaving rich-result eligibility on the table.