Individual provider Active NPI

Nia Kalifa, MD

  • Family Medicine Physician
  • Fairfax, VA
National Provider Identifier
1881581767
Registry record updated Jun 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
011604087 Issued in VA
Practice address
3650 Joseph Siewick Dr
Fairfax, VA 22033-1710
Phone
(703) 391-2020
Fax
(703) 264-9861
NPI assigned
Jun 23, 2025
Last updated
Jun 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 011604087 VA Primary

Addresses

Primary practice location

3650 Joseph Siewick Dr
Fairfax, VA 22033-1710

Mailing address

3650 Joseph Siewick Dr
Fairfax, VA 22033-1710
Phone (703) 391-2020

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
011604087VAMDFamily Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1750636800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1881581767",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331710",
            "telephone_number": "703-391-2020",
            "fax_number": "703-264-9861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331710",
            "telephone_number": "703-391-2020",
            "fax_number": "703-264-9861"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KALIFA",
        "first_name": "NIA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-06-23",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "011604087",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2025; 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.