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

Dr. Mark Sandberg

Individual provider Clinical Neuropsychologist · NPI 1831191709

Dr. Mark Sandberg is a Clinical Psychologist in Port Jefferson, New York. Qualified in 1988, 38 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
38
Licensed in
NY
In the registry since
2005

Practice location Address checks out

200 Belle Terre Rd
Port Jefferson, NY 11777-1928
Phone: (631) 474-6000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neuropsychologist (primary) Taxonomy 103G00000X · Licence 010083 (NY)

Record details

NPI number1831191709
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 11, 2005
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Port Jefferson