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

DAFFNEY DIEU
NPI 1376495119
Nurse Practitioner - Family in Sleepy Hollow, NY

Active since February 12, 2026
701 N BROADWAY, SLEEPY HOLLOW, NY 10591(914) 366-3000 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Daffney Dieu NPPES

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

DAFFNEY DIEU (NPI 1376495119) is an individual family provider in Sleepy Hollow, New York, licensed in New York (360214) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1376495119
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDAFFNEY DIEU
Location Address701 N BROADWAYSleepy Hollow, NY 10591-1020
Mailing Address701 N BroadwaySleepy Hollow, NY 10591-1020
Phone(914) 366-3000
Sole ProprietorYes
Enumeration DateFebruary 12, 2026
Last NPPES UpdateJune 15, 2026
NPPES CertifiedJune 15, 2026
✔ NPI 1376495119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · 360214
701 N BROADWAY, Sleepy Hollow, NY 10591
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Other Providers at the Same Location NPPES 20

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

MICHAEL M KYI MD
Emergency Medicine
701 N BROADWAY, PHELPS MEMORIAL HOSPITAL EMERGENCY DEPARTMENT
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3590
PHELPS MEMORIAL HOSPITAL ASSOCIATION
Internal Medicine
701 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3134
MATTHEW RYAN GESNER MD
Student in an Organized Health Care Education/Training Program
701 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-5353
ARIELLE REBECCA DURANI DDS
Student in an Organized Health Care Education/Training Program
701 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 594-2124
JODI-ANN CHARLTON MD
Student in an Organized Health Care Education/Training Program
701 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3000
PHELPS FACULTY MEDICAL AFFILIATES UNIVERSITY FACULTY PRACTICE CORPOR
Physician Assistant
701 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-3000
USHA MODUKURU DO
Student in an Organized Health Care Education/Training Program
701 N BROADWAY
SLEEPY HOLLOW, NY 10591
Westchester County (914) 366-5353
BETH BREAKSTONE M.D.
Specialist
701 N BROADWAY, PHELPS PATHOLOGY
SLEEPY HOLLOW, NY 10591
Westchester County (845) 562-7995

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 Daffney Dieu's NPI number?

The NPI number for Daffney Dieu is 1376495119. It was assigned to this individual provider in the NPPES registry on February 12, 2026.

Where is Daffney Dieu located?

Daffney Dieu practices at 701 N Broadway, Sleepy Hollow, NY 10591. The listed phone number is (914) 366-3000.

What is Daffney Dieu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Daffney Dieu was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.