Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Madeleine Marie Hardt, PHD

Individual provider Psychologist · NPI 1598413056

Dr. Madeleine Marie Hardt, PHD is a Clinical Psychologist in Stony Brook, New York. Qualified in 2023, 3 years ago. Practices with Stony Brook Psychiatric Associates University Faculty Practice Corpor, a 101-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
3
Licensed in
NY
In the registry since
2022
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

101 Nicolls Rd
Stony Brook, NY 11794-2222
Phone: (631) 444-2990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 026958-01 (NY)

Record details

NPI number1598413056
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMarch 14, 2022
Last updated in NPPESAugust 8, 2025
Certification dateAugust 8, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Stony Brook Psychiatric Associates University Faculty Practice Corpor — 101 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Stony Brook