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

Dr. Mark Jeffrey Biblow, PSYD

Individual provider School Psychologist · NPI 1225306871

Dr. Mark Jeffrey Biblow, PSYD is a School Psychologist in Hicksville, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2011
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

368 S Oyster Bay Rd
Hicksville, NY 11801-3508
Phone: (516) 681-0814
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

School Psychologist (primary) Taxonomy 103TS0200X · Licence 011161 (NY)

Record details

NPI number1225306871
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedDecember 12, 2011
Last updated in NPPESDecember 12, 2011
Mailing address34 Radcliff Dr, Huntington, NY 11743-2649

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