Individual provider Active NPI

Lien Trieu, DO

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1487185120
Registry record updated Mar 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
304350 Issued in NY
Practice address
48 W 30TH Street
2ND Floor
New York, NY 10001
Phone
(888) 663-6331
Fax
(415) 252-7176
NPI assigned
Mar 24, 2017
Last updated
Mar 14, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 14, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Internal Medicine Physician 207R00000X 304350 NY Primary

Addresses

Primary practice location

48 W 30TH Street
2ND Floor
New York, NY 10001

Mailing address

129 W 29TH St FL 10
New York, NY 10001-5105
Phone (415) 658-6791

Other practice location 1

35 E 21st St Fl 7
New York, NY 10010-6212
Phone (212) 530-0659

Other practice location 2

122 E 76th St
Suite 3A
New York, NY 10021-2833
Phone (212) 434-6262

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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 1

Enrollment IDStateProvider typePAC IDDetails
I20200922001638 NY Practitioner - Internal Medicine 4789928342 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
One Medical of Ny PCGroup PAC ID 3274713110, 72 clinicians

Practice addresses (Care Compare)

48 W 30TH St
FL 2
New York, NY 10001-4211
Phone (888) 663-6331

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Montefiore Medical Center CurrentSince Jan 11, 2026 Accepting new patients
Montefiore Medical Center Internal Medicine CurrentSince Jan 11, 2026 Accepting new patients
One Medical of Ny, P.C. Internal Medicine CurrentSince Jan 11, 2026 Accepting new patients
Mount Sinai School of Medicine Internal Medicine Past Accepting new patients

Locations

111 E 210th St
Bronx, NY 10467

48 W 30th St
Fl 2
New York, NY 10001

919 3rd Ave
Ste 105
New York, NY 10022
Phone (212) 530-0650

Networks

  • Healthfirst Medicare Network H5989
  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1490313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741910400000",
    "number": "1487185120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "129 W 29TH ST FL 10",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100015105",
            "telephone_number": "415-658-6791",
            "fax_number": "415-520-0904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "48 W 30TH STREET",
            "address_2": "2ND FLOOR",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "10001",
            "telephone_number": "888-663-6331",
            "fax_number": "415-252-7176"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "35 E 21st St Fl 7",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100106212",
            "country_code": "US",
            "telephone_number": "212-530-0659",
            "fax_number": "212-867-4353",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "122 E 76th St",
            "address_2": "Suite 3A",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100212833",
            "country_code": "US",
            "telephone_number": "212-434-6262",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRIEU",
        "first_name": "LIEN",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-03-24",
        "last_updated": "2025-03-14",
        "certification_date": "2025-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "304350",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New York, NY

Sources for this page

Verify at the official NPI Registry.