Individual provider Active NPI

Swati Viswanathan, MD

  • Nephrology Physician
  • Washington, DC
National Provider Identifier
1851972004
Registry record updated Jul 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
MD500003151 Issued in DC
Practice address
2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone
(202) 677-6056
Fax
(202) 741-2427
NPI assigned
Apr 19, 2021
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 28, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X MD500003151 DC Primary
Internal Medicine Physician 207R00000X MD500003151 DC

Addresses

Primary practice location

2150 Pennsylvania Ave NW
Washington, DC 20037-3201

Mailing address

2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone (202) 677-6056

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, DC2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20260526002572 VA Practitioner - Internal Medicine 2365844859 Reassigns benefits to 1 organization
I20260603001688 DC Practitioner - Internal Medicine 2365844859 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians

Practice addresses (Care Compare)

1860 Town Ctr Dr
Reston, VA 20190-5899

1897 Preston White Dr
Suite 105
Reston, VA 20191-5475
Phone (703) 468-1270

9470 Annapolis Rd
Suite 309
Lanham, MD 20706-3022
Phone (202) 832-1800

National Provider Directory

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

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.

NPI Registry JSON

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

{
    "created_epoch": "1618790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785196800000",
    "number": "1851972004",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2150 PENNSYLVANIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200373201",
            "telephone_number": "202-677-6056",
            "fax_number": "202-741-2427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2150 PENNSYLVANIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200373201",
            "telephone_number": "202-677-6056",
            "fax_number": "202-741-2427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VISWANATHAN",
        "first_name": "SWATI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-19",
        "last_updated": "2026-07-28",
        "certification_date": "2026-07-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "DC",
            "license": "MD500003151",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DC",
            "license": "MD500003151",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.