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

Dr. Daniel Sullivan, PHD

Individual provider Clinical Neuropsychologist · NPI 1508265976

Dr. Daniel Sullivan, PHD is a Clinical Psychologist in Saint Louis, Missouri. Graduated from Hofstra North Shore - Lij School of Medicine in 2023, 3 years ago. Practices with Mercy Neuropsychology Services, LLC, a 3-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
3
Trained at
Hofstra North Shore - Lij School of Medicine
Licensed in
MO
In the registry since
2014
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

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone: (314) 251-4683
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 2025009596 (MO)

Record details

NPI number1508265976
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 21, 2014
Last updated in NPPESApril 9, 2025
Certification dateApril 9, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolHOFSTRA NORTH SHORE - LIJ SCHOOL OF MEDICINE
Graduated 2023 (3 years in practice)
Group practice Mercy Neuropsychology Services, Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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