Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MRS. DOROTHY A RIORDAN R.N.
NPI 1760769194
Student in an Organized Health Care Education/Training Program in Seaford, NY

Active since November 14, 2011
1100 CRESTLINE PL, HEALTHOFFICE, SEAFORD, NY 11783(516) 719-6009(516) 783-9155 Get Directions Write a Review

NPPES record last updated: July 5, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Dorothy A Riordan R.n. NPPES

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

MRS. DOROTHY A RIORDAN R.N. (NPI 1760769194) is an individual student in an organized health care education/training program in Seaford, New York, licensed in New York (1831731) and active in the NPI registry since November 2011.

NPPES Registry Identity

NPI1760769194
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMRS. DOROTHY A RIORDANCredential: R.N.
Location Address1100 CRESTLINE PL, HEALTHOFFICESeaford, NY 11783-1515
Mailing Address1100 Crestline Pl, HealthofficeSeaford, NY 11783-1515 · (516) 719-6009 · Fax (516) 783-9155
Fax(516) 783-9155
Sole ProprietorYes
Enumeration DateNovember 14, 2011
Last NPPES UpdateJuly 5, 2026
NPI 1760769194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
License Licensed in NY · 1831731
Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

1100 CRESTLINE PL, Seaford, NY 11783

Other Providers at the Same Location NPPES 3

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

Social Worker (Clinical)
1100 CRESTLINE PL, NASSAU BOCES
SEAFORD, NY 11783
Speech-Language Pathologist
1100 CRESTLINE PL
SEAFORD, NY 11783
Speech-Language Pathologist
1100 CRESTLINE PL
SEAFORD, NY 11783

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 Dorothy Riordan's NPI number?

The NPI number for Dorothy Riordan is 1760769194. It was assigned to this individual provider in the NPPES registry on November 14, 2011.

Where is Dorothy Riordan located?

Dorothy Riordan practices at 1100 Crestline Pl Healthoffice, Seaford, NY 11783. The listed phone number is (516) 719-6009.

What is Dorothy Riordan's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Dorothy Riordan was last updated on July 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.