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

Northside Psychology

Organization Clinical Psychologist · NPI 1124909155

Northside Psychology is a Clinical Psychologist in Sleepy Hollow, New York. Works from 2 locations. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

16 Kingsland Rd
Sleepy Hollow, NY 10591-1022
Phone: (213) 444-3633
Fax: (332) 600-8652
Show map & directions

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

Additional practice locations (1)

  • 351 Paseo Nuevo, Santa Barbara, CA 93101-3382 — (213) 444-3633

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X

Record details

NPI number1124909155
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Mahony — Owner · (718) 668-1919
NPI enumeratedSeptember 8, 2025
Last updated in NPPESAugust 4, 2026
Certification dateAugust 4, 2026
Mailing address16 Kingsland Rd, Sleepy Hollow, NY 10591-1022

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