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.

See every abbreviation used in this directory →

Practice location Address checks out

368 S Oyster Bay Rd
Hicksville, NY 11801-3508
Phone: (516) 681-0814
Show map & directions

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

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