Individual provider Active NPI

Katherine Tan

  • Acute Care Nurse Practitioner
  • Washington, DC
National Provider Identifier
1790635159
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
2025045817 Issued in DC
Practice address
450 K St NW Apt 218
Washington, DC 20001-2959
Phone
(631) 357-0289
NPI assigned
Feb 3, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X 2025045817 DC Primary

Addresses

Primary practice location

450 K St NW Apt 218
Washington, DC 20001-2959

Mailing address

450 K St NW Apt 218
Washington, DC 20001-2959
Phone (631) 357-0289

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260430002256 DC Practitioner - Nurse Practitioner 7012484611 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Johns Hopkins University School of Medicine, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
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

  • Medstar Washington Hospital Center Hospital, Washington, DC, CCN 090011

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
2025045817DCMDAcute Care Nurse Practitioner

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 1

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": "1770076800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1790635159",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 K ST NW APT 218",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200012959",
            "telephone_number": "631-357-0289"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 K ST NW APT 218",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200012959",
            "telephone_number": "631-357-0289"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAN",
        "first_name": "KATHERINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-03",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "DC",
            "license": "2025045817",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.