Individual provider Active NPI

Elizabeth Allen, CRNP

  • Adult Health Nurse Practitioner
  • Washington, DC
National Provider Identifier
1013653849
Registry record updated Mar 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
NP1059210 Issued in DC
Practice address
3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone
(202) 444-8595
Fax
(202) 444-1923
NPI assigned
May 5, 2022
Last updated
Mar 18, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 18, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Health Nurse Practitioner 363LA2200X NP1059210 DC Primary

Addresses

Primary practice location

3800 Reservoir Rd NW
Washington, DC 20007-2113

Mailing address

4452 Macarthur Blvd NW Unit 1/2
Washington, DC 20007-2516
Phone (703) 338-8067

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address Elizabeth.c.allen@medstar.net

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
I20221020002890 DC Practitioner - Nurse Practitioner 5092181784 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
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)

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone (202) 444-2000

6410 Rockledge Dr
Suite 600
Bethesda, MD 20817-1844

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.34 of 100Reported as group
Quality
67.9
Promoting interoperability
100
Improvement activities
40
Cost
69.47

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
NP1059210DCMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Aug 20, 2022 Accepting new patients
MGMC LLC CurrentSince Jul 16, 2022 Accepting new patients
Medstar Medical Group II LLC CurrentSince Aug 20, 2022 Accepting new patients
Medstar Medical Group II LLC CurrentSince Jul 16, 2022 Accepting new patients
MGMC, LLC Current Accepting new patients
Medstar Georgetown Medical Center, Inc Past Accepting new patients

Locations

1133 21st St NW
Washington, DC 20036
Phone (202) 223-9040

1133 21st St NW
Fl 8
Washington, DC 20036

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

3800 Reservoir Rd NW
Washington, DC 20007
Phone (202) 687-2203

Interoperability endpoints

  • Direct secure messaging: elizabeth.c.allen@medstar.net

Organizations & group practices 7

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

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": "1651708800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773792000000",
    "number": "1013653849",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4452 MACARTHUR BLVD NW UNIT 1/2",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072516",
            "telephone_number": "703-338-8067"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3800 RESERVOIR RD NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200072113",
            "telephone_number": "202-444-8595",
            "fax_number": "202-444-1923"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "ELIZABETH",
        "credential": "CRNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-05-05",
        "last_updated": "2026-03-18",
        "certification_date": "2026-03-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "DC",
            "license": "NP1059210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Elizabeth.c.allen@medstar.net",
            "affiliation": "N",
            "address_1": "3800 Reservoir Rd NW",
            "city": "Washington",
            "state": "DC",
            "country_code": "US",
            "postal_code": "200072113",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.