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

DONOVAN NIXON
NPI 1285506162
Speech-Language Pathologist in Washington, DC

Active since September 22, 2025
617 UNDERWOOD ST NW, WASHINGTON, DC 20012(240) 997-6944 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Donovan Nixon NPPES

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

DONOVAN NIXON (NPI 1285506162) is an individual speech-language pathologist provider in Washington, District Of Columbia, licensed in District Of Columbia (SLPCF2000225) and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1285506162
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameDONOVAN NIXON
Location Address617 UNDERWOOD ST NWWashington, DC 20012-2637
Mailing Address5132 New Hampshire Ave Nw # DcWashington, DC 20011-3210 · (202) 937-7568
Phone(240) 997-6944
Sole ProprietorNo
Enumeration DateSeptember 22, 2025
Last NPPES UpdateSeptember 4, 2026
NPPES CertifiedSeptember 4, 2026
✔ NPI 1285506162 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 DC · SLPCF2000225
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.
617 UNDERWOOD ST NW, Washington, DC 20012
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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANGELA MARIE GRICE PHD
Speech-Language Pathologist
617 UNDERWOOD ST NW
WASHINGTON, DC 20012
District of Columbia (202) 320-9208
NAILAH SMITH
Speech-Language Pathologist
617 UNDERWOOD ST NW
WASHINGTON, DC 20012
District of Columbia (323) 404-5343

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 Donovan Nixon's NPI number?

The NPI number for Donovan Nixon is 1285506162. It was assigned to this individual provider in the NPPES registry on September 22, 2025.

Where is Donovan Nixon located?

Donovan Nixon practices at 617 Underwood St NW, Washington, DC 20012. The listed phone number is (240) 997-6944.

What is Donovan Nixon'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 Donovan Nixon was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.