Individual provider Active NPI

Lo an T Nguyen, MD

  • Internal Medicine Physician
  • Reston, VA
National Provider Identifier
1033284971
Registry record updated May 16, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
0101048232 Issued in VA
Practice address
11445 Sunset Hills Road
Reston, VA 20190-5276
Phone
(703) 709-1500
Fax
(703) 709-1711
NPI assigned
Nov 22, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 16, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 0101048232 VA Primary

Addresses

Primary practice location

11445 Sunset Hills Road
Reston, VA 20190-5276

Mailing address

2101 East Jefferson Street
Ppqa Medicare Compliance Unit 6 West
Rockville, MD 20852
Phone (301) 816-2424

Electronic endpoints 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, MD, VA3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20101216000939 DC Practitioner - Internal Medicine 5092903070 Reassigns benefits to 1 organization
I20101216000998 MD Practitioner - Internal Medicine 5092903070 Reassigns benefits to 1 organization
I20101220000809 VA Practitioner - Internal Medicine 5092903070 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc Internal Medicine Current Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc CurrentSince Dec 3, 2025 Accepting new patients
Kaiser Foundation Health Plan of the Mid Atlantic States, Inc Internal Medicine CurrentSince Dec 3, 2025 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

7070 Samuel Morse Dr
Columbia, MD 21046
Phone (410) 309-4600

7190 Crestwood Blvd
Frederick, MD 21703
Phone (240) 529-1700

2101 E Jefferson St
Ste 4EAST
Rockville, MD 20852

2101 E Jefferson St
#4E
Rockville, MD 20852

2101 E Jefferson St
Unit 6
Rockville, MD 20852

2101 E Jefferson St
Ste 6WPPQA
Rockville, MD 20852
Phone (301) 816-5853

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

7141 Security Blvd
Windsor Mill, MD 21244
Phone (410) 281-6200

1890 Metro Center Dr
Reston, VA 20190
Phone (703) 709-1500

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

Interoperability endpoints

  • Direct secure messaging: loan.nguyen.1@12538.direct.athenahealth.com

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1164153600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1715817600000",
    "number": "1033284971",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2101 EAST JEFFERSON STREET",
            "address_2": "PPQA MEDICARE COMPLIANCE UNIT 6 WEST",
            "city": "ROCKVILLE",
            "state": "MD",
            "postal_code": "20852",
            "telephone_number": "301-816-2424",
            "fax_number": "301-816-6308"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11445 SUNSET HILLS ROAD",
            "city": "RESTON",
            "state": "VA",
            "postal_code": "201905276",
            "telephone_number": "703-709-1500",
            "fax_number": "703-709-1711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "LO AN",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-11-22",
        "last_updated": "2024-05-16",
        "certification_date": "2024-05-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101048232",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodmam/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "11445 Sunset HIlls Road",
            "city": "Reston",
            "state": "VA",
            "country_code": "US",
            "postal_code": "201905276",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Reston, VA

Sources for this page

Verify at the official NPI Registry.