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DR. MARY L. DUNCAN CLINSCD CCC-SLP
NPI 1669537643
Speech-Language Pathologist in Ellenwood, GA

Active since December 27, 2006
4549 REVENUE TRL, ELLENWOOD, GA 30294(404) 805-2875(404) 738-2128 Get Directions Write a Review

NPPES record last updated: June 10, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mary L. Duncan Clinscd Ccc-slp NPPES

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

DR. MARY L. DUNCAN CLINSCD CCC-SLP (NPI 1669537643) is an individual speech-language pathologist provider in Ellenwood, Georgia, licensed in Georgia (6225) and active in the NPI registry since December 2006. She maintains a secondary practice location in Stockbridge.

NPPES Registry Identity

NPI1669537643
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameDR. MARY L. DUNCANCredential: CLINSCD CCC-SLP
Location Address4549 REVENUE TRLEllenwood, GA 30294-6413
Mailing Address4549 Revenue TrlEllenwood, GA 30294-6413 · (404) 805-2875 · Fax (866) 925-7840
Phone(404) 805-2875
Fax(404) 738-2128
Sole ProprietorYes
Enumeration DateDecember 27, 2006
Last NPPES UpdateJune 10, 2021
NPPES CertifiedJune 10, 2021
✔ NPI 1669537643 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
Licenses✔ Licensed in GA · 6225✔ Licensed in IL · 146.011397✔ Licensed in VA · 2202009271
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.
4549 REVENUE TRL, Ellenwood, GA 30294
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Secondary Practice Location 1

Location 17454 Hannover Pkwy SStockbridge, GA 30281-7889 · Phone (229) 598-6660 · Fax (404) 738-2128

Other Identifiers 2

Medicaid410111878AGA
Medicaid410111878FGA

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 Mary Duncan's NPI number?

The NPI number for Mary Duncan is 1669537643. It was assigned to this individual provider in the NPPES registry on December 27, 2006.

Where is Mary Duncan located?

Mary Duncan practices at 4549 Revenue Trl, Ellenwood, GA 30294. The listed phone number is (404) 805-2875.

What is Mary Duncan'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 Mary Duncan was last updated on June 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.