Natalia Maria Llanes Aaron, MD

Primary specialty

Neurology PhysicianTaxonomy code 2084N0400X

License

D0073658 Issued in MD

Practice address

655 Watkins Mill Rd
Gaithersburg, MD 20879-3301

Phone

(240) 632-4900

NPI assigned

May 12, 2009

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other names 1

• Natalia Llanes Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in DC, VA2 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

Specialty

Neurology

Education

Georgetown University School of Medicine, 2008

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Kaiser Foundation Health Plan of the Mid Atlantic States, IncGroup PAC ID 3779495858, 1,921 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  dba Kaiser Permanente Annapolis Medical Center

  • Health Maintenance Organization
  • Annapolis, MD
  • NPI 1952461816

  DC

  Medicare reassignment Care Compare group NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  dba Kaiser Permanente Loudoun Medical Center

  • Health Maintenance Organization
  • Lansdowne, VA
  • NPI 1861552721
  Medicare reassignment NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  dba Kaiser Permanente Shady Grove Peritoneal Dialysis Facility

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Rockville, MD
  • NPI 1962108753
  NPD
• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

  dba Kaiser Permanente Tysons Corner Medical Center

  • Health Maintenance Organization
  • McLean, VA
  • NPI 1376815472
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1242086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746403200000",
    "number": "1811121304",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 GARDEN CITY DR",
            "city": "HYATTSVILLE",
            "state": "MD",
            "postal_code": "207852418",
            "telephone_number": "240-632-4900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "655 WATKINS MILL RD",
            "city": "GAITHERSBURG",
            "state": "MD",
            "postal_code": "208793301",
            "telephone_number": "240-632-4900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LLANES AARON",
        "first_name": "NATALIA",
        "middle_name": "MARIA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-05-12",
        "last_updated": "2025-05-05",
        "certification_date": "2025-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MD",
            "license": "D0073658",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodmam/wcf/epic.community.hie/xcpdrespondingga",
            "affiliation": "N",
            "endpointDescription": "carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "c-cda",
            "address_1": "655 Watkins Mill Rd",
            "city": "Gaithersburg",
            "state": "MD",
            "country_code": "US",
            "postal_code": "208793301",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "NATALIA",
            "last_name": "LLANES",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Liang Liu
• Pooh Liu, LGPC
• Robert Liu
• Living Well and Whole Counseling Services
• Karen Lizarraga, PA-C
• John Edward Loftus IV, LCSW-C
• Mandana Goodarzi Logmanni, DDS
• Grace E Lohr, D.C.
• Anne Maddalena Lombardo, PHD
• Marriah Tess Lombardo, LCSW

• Neurology Physician in Gaithersburg, MD
• Providers in Gaithersburg, MD by specialty
• Neurology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.