Individual provider Active NPI

Fnu Vivien

  • Internal Medicine Physician
  • Washington, DC
National Provider Identifier
1477290393
Registry record updated Oct 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD600004616 Issued in DC
Practice address
Medstar Washington Hospital Center, Dept of Internal Me
110 Irving St., NW
Washington, DC 20010-3017
Phone
(202) 877-2835
Fax
(202) 877-8288
NPI assigned
May 13, 2022
Reactivated
Jan 19, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD600004616 DC Primary

Addresses

Primary practice location

Medstar Washington Hospital Center, Dept of Internal Me
110 Irving St., NW
Washington, DC 20010-3017

Mailing address

Medstar Washington Hospital Center, Dept of Internal Me
110 Irving St., NW
Washington, DC 20010-3017
Phone (202) 877-2835

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250922002109 DC Practitioner - Internal Medicine 9931603909 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

110 Irving St NW
Washington, DC 20010-3017
Phone (202) 877-7000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD600004616DCMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Sep 1, 2025 Accepting new patients

Locations

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

3007 Tilden St NW
Ste 5N
Washington, DC 20008

110 Irving St NW
Washington, DC 20010
Phone (202) 877-2000

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1652400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759881600000",
    "number": "1477290393",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "MEDSTAR WASHINGTON HOSPITAL CENTER, DEPT OF INTERNAL ME",
            "address_2": "110 IRVING ST., NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200103017",
            "telephone_number": "202-877-2835",
            "fax_number": "202-877-8288"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "MEDSTAR WASHINGTON HOSPITAL CENTER, DEPT OF INTERNAL ME",
            "address_2": "110 IRVING ST., NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200103017",
            "telephone_number": "202-877-2835",
            "fax_number": "202-877-8288"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIVIEN",
        "first_name": "FNU",
        "name_prefix": "Ms.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-05-13",
        "last_updated": "2025-10-08",
        "certification_date": "2025-10-08",
        "deactivation_date": "2023-01-13",
        "reactivation_date": "2023-01-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DC",
            "license": "MD600004616",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.