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

KATHERINE MAHONEY
NPI 1326946245
Specialist/Technologist - Speech-Language Assistant in Washington, DC

Q: What is Katherine Mahoney's NPI number?

The NPI number for Katherine Mahoney is 1326946245. It was assigned to this individual provider in the NPPES registry on October 29, 2026.

Q: What is Katherine Mahoney's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Mahoney was last updated on October 29, 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.

Active since October 29, 2026

50 PENNSYLVANIA AVENUE, 240, WASHINGTON, DC 20003(202) 544-2320 Get Directions Write a Review

NPPES record added: October 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Katherine Mahoney NPPES

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

KATHERINE MAHONEY (NPI 1326946245) is an individual speech-language assistant in Washington, District Of Columbia, licensed in District Of Columbia (SLPA200001314) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1326946245

Entity TypeIndividualFemale

Primary Taxonomy2355S0801X

Provider Legal NameKATHERINE MAHONEY

Location Address50 PENNSYLVANIA AVENUE, 240Washington, DC 20003

Mailing Address6800 Newbold DrBethesda, MD 20817-2225 · (240) 755-7662

Phone(202) 544-2320

Sole ProprietorNo

Enumeration DateOctober 29, 2026

NPPES CertifiedOctober 28, 2026

✔ NPI 1326946245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist · Speech-Language AssistantSpeech, Language and Hearing Service Providers

Taxonomy Code2355S0801X

License✔ Licensed in DC · SLPA200001314

50 PENNSYLVANIA AVENUE, Washington, DC 20003

Open in Google Maps ↗

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 Katherine Mahoney's NPI number?

The NPI number for Katherine Mahoney is 1326946245. It was assigned to this individual provider in the NPPES registry on October 29, 2026.

Where is Katherine Mahoney located?

Katherine Mahoney practices at 50 Pennsylvania Avenue 240, Washington, DC 20003. The listed phone number is (202) 544-2320.

What is Katherine Mahoney's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.

When was this NPI record last updated?

The NPPES record for Katherine Mahoney was last updated on October 29, 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.