Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY SLATER, MA-SLPCCC
NPI 1174476378
Speech-Language Pathologist in Silver Spring, MD

Q: What is Mary Slater, Ma-Slpccc's NPI number?

The NPI number for Mary Slater, Ma-Slpccc is 1174476378. It was assigned to this organization in the NPPES registry on February 17, 2026.

Q: What is Mary Slater, Ma-Slpccc's specialty?

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

Active since February 17, 2026

15107 INTERLACHEN DR APT 919, SILVER SPRING, MD 20906(301) 642-4993 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mary Slater, Ma-slpccc NPPES

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

MARY SLATER, MA-SLPCCC (NPI 1174476378) is a healthcare organization registered as a speech-language pathologist in Silver Spring, Maryland and active in the NPI registry since February 2026. The organization lists Mary Slater, Speech Language Pathologist, as its authorized official.

NPPES Registry Identity

NPI1174476378

Entity TypeOrganization

Primary Taxonomy235Z00000X

Legal Business NameMARY SLATER, MA-SLPCCC

Location Address15107 INTERLACHEN DR APT 919Silver Spring, MD 20906-5634

Mailing Address15107 Interlachen Dr Apt 919Silver Spring, MD 20906-5634 · (301) 642-4993

Phone(301) 642-4993

Organization SubpartNo

Authorized OfficialMary SlaterSpeech Language Pathologist · (301) 642-4993

Enumeration DateFebruary 17, 2026

Last NPPES UpdateAugust 3, 2026

NPPES CertifiedAugust 3, 2026

✔ NPI 1174476378 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

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.

15107 INTERLACHEN DR APT 919, Silver Spring, MD 20906

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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

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 Slater, Ma-Slpccc's NPI number?

The NPI number for Mary Slater, Ma-Slpccc is 1174476378. It was assigned to this organization in the NPPES registry on February 17, 2026.

Where is Mary Slater, Ma-Slpccc located?

Mary Slater, Ma-Slpccc is located at 15107 Interlachen Dr Apt 919, Silver Spring, MD 20906. The listed phone number is (301) 642-4993.

What is Mary Slater, Ma-Slpccc'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 Slater, Ma-Slpccc was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.