Individual provider Active NPI

Sarah Marshall, LCSW-C

  • Clinical Social Worker
  • Bethesda, MD
National Provider Identifier
1770489817
Registry record updated Oct 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
25785 Issued in MD
Practice address
6701 Democracy Blvd Ste 300
Bethesda, MD 20817-7500
Phone
(646) 941-7645
NPI assigned
Oct 15, 2026
Last updated
Oct 15, 2026By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 25785 MD Primary

Addresses

Primary practice location

6701 Democracy Blvd Ste 300
Bethesda, MD 20817-7500

Mailing address

6701 Democracy Blvd Ste 300
Bethesda, MD 20817-7500
Phone (646) 941-7645

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1792022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792022400000",
    "number": "1770489817",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6701 DEMOCRACY BLVD STE 300",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208177500",
            "telephone_number": "646-941-7645"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 DEMOCRACY BLVD STE 300",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208177500",
            "telephone_number": "646-941-7645"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSHALL",
        "first_name": "SARAH",
        "credential": "LCSW-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-10-15",
        "last_updated": "2026-10-15",
        "certification_date": "2026-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "25785",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.