Active NPI
Molly Martha McClellan, RN
- Certified Registered Nurse Anesthetist
- Washington, DC
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- 0024197578
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
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
| License | State | Type | Specialty |
|---|---|---|---|
| RN500013982 | DC | MD | Registered Nurse |
| 0001321632 | VA | MD | Registered Nurse |
| 0024197578 | VA | MD | Certified 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.
-
- Anesthesiology Physician
- Falls Church, VA
- NPI 1417994872
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Manassas, VA
- NPI 1417005760
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.