Individual provider · Type 1 NPI

Donna D. Hatziyianis Guarton, PhD

Clinical Psychologist · Massapequa Park, NY

NPI number 1265306385 Active

Practice location

18 Mansfield Dr
Massapequa Park, NY 11762-4034

Specialties and licenses

TaxonomyCodeLicense
Clinical Psychologist Primary 103TC0700X011485-1 (NY)

Clinical Psychologist: A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of discip…

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About NPI 1265306385

Donna D. Hatziyianis Guarton, PhD's National Provider Identifier is 1265306385, issued on Oct 1, 2025. The primary taxonomy on file is Clinical Psychologist (103TC0700X), and the practice location is in Massapequa Park, NY. The record was last updated on Oct 1, 2025.