Individual provider Active NPI

Hilary Newgen, M.D.

  • Neurology Physician
  • Fairfax, VA
National Provider Identifier
1881868123
Registry record updated Jun 15, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
0101244856 Issued in VA
Practice address
12011 Lee-Jackson Memorial Highway
Penderbrook Medical Center
Fairfax, VA 22033-3310
Phone
(703) 383-5400
Fax
(703) 383-5558
NPI assigned
Apr 17, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 15, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X MD037990 DC
Neurology Physician 2084N0400X 0101244856 VA Primary

Addresses

Primary practice location

12011 Lee-Jackson Memorial Highway
Penderbrook Medical Center
Fairfax, VA 22033-3310

Mailing address

2101 E Jefferson St
Kaiser Permanente Medicare Enrollment
Rockville, MD 20852-4908
Phone (301) 816-2424

Other names 1

  • Hilary Koyanagi Former name

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepiceast.kp.org:14430/Interconnect-prodmam/wcf/epic.community.hie/xcpdrespondinggateways Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20091118000082 DC Practitioner - Neurology 3971641648 Reassigns benefits to 1 organization
I20250910002084 VA Practitioner - Neurology 3971641648 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
George Washington University School of Medicine, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1221 Mercantile LN
Largo, MD 20774-5374
Phone (301) 618-5700

8008 Westpark Dr
MC Lean, VA 22102-3109
Phone (703) 287-6400

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD037990DCMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Sep 6, 2009 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Sep 6, 2009 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince May 19, 2025 Accepting new patients

Locations

4000 Garden City Dr
Fl 4
Hyattsville, MD 20785
Phone (227) 229-8532

2101 E Jefferson St
#4
Rockville, MD 20852

2101 E Jefferson St
Ste 4EAST
Rockville, MD 20852

2101 E Jefferson St
Rockville, MD 20852
Phone (301) 816-6660

1221 Mercantile Ln
Upper Marlboro, MD 20774
Phone (301) 618-5500

8008 Westpark Dr
Tysons Corner, VA 22102
Phone (703) 287-6400

14139 Potomac Mills Rd
Woodbridge, VA 22192
Phone (703) 257-3000

Organizations & group practices 3

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": "1208390400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1623715200000",
    "number": "1881868123",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2101 E JEFFERSON ST",
            "address_2": "KAISER PERMANENTE MEDICARE ENROLLMENT",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "208524908",
            "telephone_number": "301-816-2424"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12011 LEE-JACKSON MEMORIAL HIGHWAY",
            "address_2": "PENDERBROOK MEDICAL CENTER",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220333310",
            "telephone_number": "703-383-5400",
            "fax_number": "703-383-5558"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NEWGEN",
        "first_name": "HILARY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-04-17",
        "last_updated": "2021-06-15",
        "certification_date": "2021-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "DC",
            "license": "MD037990",
            "primary": false
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "VA",
            "license": "0101244856",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodmam/wcf/epic.community.hie/xcpdrespondinggateways",
            "affiliation": "N",
            "endpointDescription": "carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "8008 west park drive",
            "city": "McLean",
            "state": "VA",
            "country_code": "US",
            "postal_code": "22102",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "HILARY",
            "last_name": "KOYANAGI",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Fairfax, VA

Sources for this page

Verify at the official NPI Registry.