Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATRINA ISABEL DAYAW PSYD
NPI 1427605625
Clinical Neuropsychologist in Milford, MA

Q: What is Katrina Isabel Dayaw's NPI number?

The NPI number for Katrina Isabel Dayaw is 1427605625. It was assigned to this individual provider in the NPPES registry on August 22, 2019.

Q: What is Katrina Isabel Dayaw's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Active since August 22, 2019

327 WEST ST, MILFORD, MA 01757(508) 251-9390 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 24, 2026, Aug 5, 2025, Aug 22, 2019 (3 updates tracked since 2019).

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About Katrina Isabel Dayaw Psyd NPPES

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

KATRINA ISABEL DAYAW PSYD (NPI 1427605625) is an individual clinical neuropsychologist in Milford, Massachusetts and active in the NPI registry since August 2019.

NPPES Registry Identity

NPI1427605625

Entity TypeIndividualFemale

Primary Taxonomy103G00000X

Provider Legal NameKATRINA ISABEL DAYAWCredential: PSYD

Location Address327 WEST STMilford, MA 01757-1257

Mailing Address327 West StMilford, MA 01757-1257 · (508) 251-9390

Phone(508) 251-9390

Sole ProprietorYes

Enumeration DateAugust 22, 2019

Last NPPES UpdateSeptember 24, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2026

✔ NPI 1427605625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers

Taxonomy Code103G00000X

Definition

A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

327 WEST ST, Milford, MA 01757

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

FELIX A. PERRIELLO M.D.

Pediatrics

327 WEST ST
MILFORD, MA 01757

Worcester County (508) 473-0231

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 Katrina Isabel Dayaw's NPI number?

The NPI number for Katrina Isabel Dayaw is 1427605625. It was assigned to this individual provider in the NPPES registry on August 22, 2019.

Where is Katrina Isabel Dayaw located?

Katrina Isabel Dayaw practices at 327 West St, Milford, MA 01757. The listed phone number is (508) 251-9390.

What is Katrina Isabel Dayaw's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

When was this NPI record last updated?

The NPPES record for Katrina Isabel Dayaw was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.