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MATTIE HOLLIDAY
NPI 1700484060
Psychologist - Intellectual and Developmental Disabilities in Newark, DE

Active since October 09, 2020
16 OCTAVE CT, NEWARK, DE 19713(302) 377-5774 Get Directions Write a Review

NPPES record last updated: October 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mattie Holliday NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTIE HOLLIDAY (NPI 1700484060) is an individual intellectual and developmental disabilities provider in Newark, Delaware and active in the NPI registry since October 2020.

NPPES Registry Identity

NPI1700484060
Entity TypeIndividualFemale
Primary Taxonomy103TM1800X
Provider Legal NameMATTIE HOLLIDAY
Location Address16 OCTAVE CTNewark, DE 19713-1915
Mailing Address16 Octave CtNewark, DE 19713-1915 · (302) 377-5774
Phone(302) 377-5774
Sole ProprietorYes
Enumeration DateOctober 9, 2020
NPPES CertifiedOctober 9, 2020
✔ NPI 1700484060 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Intellectual and Developmental DisabilitiesBehavioral Health & Social Service Providers
Taxonomy Code103TM1800X
16 OCTAVE CT, Newark, DE 19713
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Other Identifiers 1

Medicaid000000568DE

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mattie Holliday's NPI number?

The NPI number for Mattie Holliday is 1700484060. It was assigned to this individual provider in the NPPES registry on October 9, 2020.

Where is Mattie Holliday located?

Mattie Holliday practices at 16 Octave Ct, Newark, DE 19713. The listed phone number is (302) 377-5774.

What is Mattie Holliday's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Intellectual and Developmental Disabilities, with taxonomy code 103TM1800X.

When was this NPI record last updated?

The NPPES record for Mattie Holliday was last updated on October 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.