Sydney Engel Flambaum, CCC-SLP

Primary specialty

Speech-Language PathologistTaxonomy code 235Z00000X

License

SLP200001890 Issued in DC

Practice address

2335 Raynolds PL SE
Washington, DC 20020-3246

Phone

(484) 680-8151

NPI assigned

Jan 9, 2025

Last updated

Sep 22, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1736380800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790035200000",
    "number": "1851101125",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1734 CORCORAN ST NW APT 1",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200092475",
            "telephone_number": "484-680-8151"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2335 RAYNOLDS PL SE",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200203246",
            "telephone_number": "484-680-8151"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLAMBAUM",
        "first_name": "SYDNEY",
        "middle_name": "ENGEL",
        "credential": "CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-01-09",
        "last_updated": "2026-09-22",
        "certification_date": "2026-09-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "DC",
            "license": "SLP200001890",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Thomas Michael Fitzpatrick, MD
• Marjorie Fitzsimmons
• Joseph Anthony Flack, DO
• Flagship Rehabilitation, Inc
• James Flaherty, AA
• Andrea Sarah Flamer, DDS
• Brendan Flanagan
• Kyla Michelle Flanagan, MSW, LGSW
• Milan Noel Flanagan, DNP
• Nkiyah Flanagan, LMSW

• Speech-Language Pathologist in Washington, DC
• Providers in Washington, DC by specialty
• Speech-Language Pathologist in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.