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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.

SYDNEY ENGEL FLAMBAUM CCC-SLP
NPI 1851101125
Speech-Language Pathologist in Washington, DC

Active since January 09, 2025
2335 RAYNOLDS PL SE, WASHINGTON, DC 20020(484) 680-8151 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 22, 2026, Jan 9, 2025 (2 updates tracked since 2025).

About Sydney Engel Flambaum Ccc-slp NPPES

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

SYDNEY ENGEL FLAMBAUM CCC-SLP (NPI 1851101125) is an individual speech-language pathologist provider in Washington, District Of Columbia, licensed in District Of Columbia (SLP200001890) and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1851101125
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameSYDNEY ENGEL FLAMBAUMCredential: CCC-SLP
Location Address2335 RAYNOLDS PL SEWashington, DC 20020-3246
Mailing Address1734 Corcoran St Nw Apt 1Washington, DC 20009-2475 · (484) 680-8151
Phone(484) 680-8151
Sole ProprietorYes
Enumeration DateJanuary 9, 2025
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1851101125 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 · SLP200001890
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.
2335 RAYNOLDS PL SE, Washington, DC 20020
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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

Other Providers at the Same Location NPPES 3

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

MRS. JESSICA JOHNSON
Psychologist (School)
2335 RAYNOLDS PL SE
WASHINGTON, DC 20020
District of Columbia (704) 277-9873
CAROLINE SMITH LGSW
Social Worker (School)
2335 RAYNOLDS PL SE
WASHINGTON, DC 20020
District of Columbia (202) 750-7177
REESHA-ANN MELODY MARTIN
Social Worker (School)
2335 RAYNOLDS PL SE
WASHINGTON, DC 20020
District of Columbia (973) 955-6967

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 Sydney Flambaum's NPI number?

The NPI number for Sydney Flambaum is 1851101125. It was assigned to this individual provider in the NPPES registry on January 9, 2025.

Where is Sydney Flambaum located?

Sydney Flambaum practices at 2335 Raynolds Pl SE, Washington, DC 20020. The listed phone number is (484) 680-8151.

What is Sydney Flambaum'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 Sydney Flambaum was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.