MARCIA DIFFLEY
NPI 1659543924
Speech-Language Pathologist in Floral Park, NY

Q: What is Marcia Diffley's NPI number?

The NPI number for Marcia Diffley is 1659543924. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Q: What is Marcia Diffley's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Q: When was this NPI record last updated?

The NPPES record for Marcia Diffley was last updated on March 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.

Active since March 27, 2008

34 CROCUS AVE, FLORAL PARK, NY 11001(516) 424-6690 Get Directions Write a Review

NPPES record last updated: March 27, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Marcia Diffley NPPES

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

MARCIA DIFFLEY (NPI 1659543924) is an individual speech-language pathologist provider in Floral Park, New York, licensed in New York (01355-2) and active in the NPI registry since March 2008.

NPPES Registry Identity

NPI1659543924

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameMARCIA DIFFLEY

Location Address34 CROCUS AVEFloral Park, NY 11001-2639

Mailing Address34 Crocus AvenueFloral Park, NY 11001 · (516) 424-6690

Phone(516) 424-6690

Sole ProprietorNo

Enumeration DateMarch 27, 2008

✔ NPI 1659543924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers

Taxonomy Code235Z00000X

License✔ Licensed in NY · 01355-2

Definition

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

34 CROCUS AVE, Floral Park, NY 11001

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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 Marcia Diffley's NPI number?

The NPI number for Marcia Diffley is 1659543924. It was assigned to this individual provider in the NPPES registry on March 27, 2008.

Where is Marcia Diffley located?

Marcia Diffley practices at 34 Crocus Ave, Floral Park, NY 11001. The listed phone number is (516) 424-6690.

What is Marcia Diffley's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Marcia Diffley was last updated on March 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.