Individual provider Active NPI

Molly Martha McClellan, RN

  • Certified Registered Nurse Anesthetist
  • Washington, DC
National Provider Identifier
1356109508
Registry record updated Jun 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
0024197578 Issued in VA
Practice address
3700 O St NW
Washington, DC 20057-0003
Phone
(202) 687-0100
NPI assigned
Mar 12, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 2, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 0024197578 VA Primary
Registered Nurse 163W00000X RN500013982 DC
Registered Nurse 163W00000X 0001321632 VA

Addresses

Primary practice location

3700 O St NW
Washington, DC 20057-0003

Mailing address

1820 N Quinn St Apt 408
Arlington, VA 22209-1316

Other practice location 1

8700 Sudley Rd
Manassas, VA 20110-4418
Phone (703) 369-8000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20260609001022 VA Practitioner - Certified Registered Nurse Anesthetist (Crna) 0446721625 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Georgetown University School of Medicine, 2026
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

15225 Heathcote Blvd
Haymarket, VA 20169-6264
Phone (571) 284-1000

19455 Deerfield Ave
Suite 204
Leesburg, VA 20176-8102
Phone (703) 724-9950

8700 Sudley Rd
Manassas, VA 20110-4418
Phone (703) 369-8000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
RN500013982DCMDRegistered Nurse
0001321632VAMDRegistered Nurse
0024197578VAMDCertified Registered Nurse Anesthetist

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": "1710201600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780358400000",
    "number": "1356109508",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1820 N QUINN ST APT 408",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222091316"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3700 O ST NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200570003",
            "telephone_number": "202-687-0100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8700 Sudley Rd",
            "address_purpose": "LOCATION",
            "city": "Manassas",
            "state": "VA",
            "postal_code": "201104418",
            "country_code": "US",
            "telephone_number": "703-369-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCCLELLAN",
        "first_name": "MOLLY",
        "middle_name": "MARTHA",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-03-12",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "VA",
            "license": "0024197578",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "DC",
            "license": "RN500013982",
            "primary": false
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "VA",
            "license": "0001321632",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.