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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DIANE TERESA DUNCAN
NPI 1578488334
Registered Nurse in Blauvelt, NY

Active since August 11, 2026
560 ROUTE 303, BLAUVELT, NY 10913(914) 434-6905 Get Directions Write a Review

NPPES record added: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Diane Teresa Duncan NPPES

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

DIANE TERESA DUNCAN (NPI 1578488334) is an individual registered nurse in Blauvelt, New York, licensed in New York (88941901) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1578488334
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameDIANE TERESA DUNCAN
Location Address560 ROUTE 303Blauvelt, NY 10913
Mailing Address560 Route 303Valley Cottage, NY 10989-1413 · (914) 434-6905
Phone(914) 434-6905
Sole ProprietorYes
Enumeration DateAugust 11, 2026
NPPES CertifiedJuly 31, 2026
✔ NPI 1578488334 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in NY · 88941901
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
560 ROUTE 303, Blauvelt, NY 10913
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

MR. TODD DAVID SCOTT CASAC- T
Counselor (Addiction (Substance Use Disorder))
560 ROUTE 303
BLAUVELT, NY 10913
Rockland County (718) 206-2000

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 Diane Duncan's NPI number?

The NPI number for Diane Duncan is 1578488334. It was assigned to this individual provider in the NPPES registry on August 11, 2026.

Where is Diane Duncan located?

Diane Duncan practices at 560 Route 303, Blauvelt, NY 10913. The listed phone number is (914) 434-6905.

What is Diane Duncan's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Diane Duncan was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.