Ellen Madison Griffiths, R.D.

Primary specialty

Registered DietitianTaxonomy code 133V00000X

License

D00670 Issued in MD

Practice address

4600 E West Hwy Ste 605
Bethesda, MD 20814-9809

Phone

(240) 481-8198

Fax

(202) 499-7592

NPI assigned

Mar 5, 2012

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

Other, 1976

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1330905600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747958400000",
    "number": "1689948846",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3005 S LEISURE WORLD BLVD APT 703",
            "city": "SILVER SPRING",
            "state": "MD",
            "postal_code": "209068309",
            "telephone_number": "240-605-6126",
            "fax_number": "202-499-7592"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4600 E WEST HWY STE 605",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208149809",
            "telephone_number": "240-481-8198",
            "fax_number": "202-499-7592"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIFFITHS",
        "first_name": "ELLEN",
        "middle_name": "MADISON",
        "credential": "R.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-03-05",
        "last_updated": "2025-05-23",
        "certification_date": "2025-05-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "DC",
            "license": "DI195",
            "primary": false
        },
        {
            "code": "133V00000X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered",
            "state": "MD",
            "license": "D00670",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Liesl Shockley Grenier, M.D.
• Tim F Greten, M.D.
• Jassimran Kaur Grewal, M.ED., BCBA, LBA
• Timothy Gribbin, MED, ATC
• Lauren Mariah Griffith, DO
• Erin Manel Griffiths
• Sierrah Marie Grigsby, MD, PHD
• George Louis Grillon, D.M.D
• Cynthia Grimes
• George Reed Grimes, M.D.

• Registered Dietitian in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Registered Dietitian in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.