NPI Portal NPI Lookup & Verification

Ms. Donna M Duncan

Ms. Donna M Duncan is a Speech-Language Pathologist provider (Speech-Language Pathologist) practicing in Ardsley, NY, registered in the NPPES registry with NPI 1124269147 since 2009.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1124269147
Entity type Individual (Type 1)
Name Ms. Donna M Duncan
Sex Female
Practice address Ardsley, NY, 10502
Phone 9147148718
Enumeration date 2009-03-20
Last updated in NPPES 2009-03-20

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
235Z00000X Speech-Language Pathologist Primary 001241-1 NY
Copy-ready billing details
Provider: Donna Duncan
NPI: 1124269147
Taxonomy: 235Z00000X (Speech-Language Pathologist)
Address: Ardsley, NY, 10502

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1528039492 Benito Giampaglia Individual Orthopedic Physical Therapist Ardsley, NY
1720141690 Orthocare Physical Therapy Organization Orthopedic Physical Therapist Ardsley, NY
1366652406 Evan Temkin Individual Customized Equipment (DME) Ardsley, NY
1033361357 Hta of New York Organization Early Intervention Provider Agency Ardsley, NY
1861644130 Kristy Castaldo Individual Speech-Language Pathologist Ardsley, NY
1225280431 Gail Fuld Individual Speech-Language Pathologist Ardsley, NY
1770737843 Scott Coulter Individual Physical Therapist Ardsley, NY
1467764027 Sandra Desimone Individual Speech-Language Pathologist Ardsley, NY

Verify this record

Cross-check NPI 1124269147 against the authoritative CMS record: view Ms. Donna M Duncan on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Donna Duncan practice?
The practice location on file with NPPES is in Ardsley, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Donna Duncan?
The National Provider Identifier (NPI) for Donna Duncan is 1124269147, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2009-03-20.