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

Paul J Mattis, PHD

Individual provider Clinical Neuropsychologist · NPI 1114066792

Paul J Mattis, PHD is a Clinical Psychologist in Manhasset, New York. Qualified in 1994, 32 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group, accepts Medicare assignment and offers telehealth.

Years since qualifying
32
In the registry since
2007
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

400 Community Dr
Manhasset, NY 11030-3815
Phone: (516) 562-3054
Fax: (516) 562-2830
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X

Record details

NPI number1114066792
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 6, 2007
Last updated in NPPESOctober 23, 2019
Mailing address972 Brush Hollow Rd, 4th Floor, Westbury, NY 11590-1740

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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