Individual provider Active NPI

Wei Lien, MD

  • Internal Medicine Physician
  • Revere, MA
National Provider Identifier
1750359477
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
223975 Issued in MA
Practice address
300 Ocean Ave
Revere, MA 02151-3675
Phone
(781) 485-6350
Fax
(781) 485-6391
NPI assigned
Mar 9, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 223975 MA
Internal Medicine Physician 207R00000X 223975 MA Primary

Addresses

Primary practice location

300 Ocean Ave
Revere, MA 02151-3675

Mailing address

PO Box 9142
Mass General Physician Organization
Charlestown, MA 02129-9142
Phone (617) 267-7171

Other identifiers 3

IdentifierTypeStateIssuer
2103770MedicaidMA
J28857OtherMABCBS MA
468379OtherMATUFTS HEALTH PLAN

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20050802000332 MA Practitioner - Internal MedicinePractitioner - Pediatric Medicine 3870521792 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
Tufts University School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

385 Broadway
Revere, MA 02151-3033
Phone (781) 485-1000

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

Hospital & facility affiliations

  • Mass General Brigham Home Care, Inc Home health agency, Newton, MA, CCN 227207
  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
  • North Shore Medical Center - Hospital, Salem, MA, CCN 220035
  • Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101
  • Spaulding Rehabilitation Hospital Inpatient rehabilitation facility, Charlestown, MA, CCN 223034

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
223975MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
The General Hospital Corporation CurrentSince Jul 11, 2005 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Jul 11, 2005 Accepting new patients

Locations

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

388 Commonwealth Ave
Boston, MA 02215
Phone (617) 267-7171

55 Fruit St
Boston, MA 02114

275 Sandwich St
Plymouth, MA 02360
Phone (508) 746-2000

300 Ocean Ave
Revere, MA 02151
Phone (781) 485-6000

Interoperability endpoints

  • Direct secure messaging: lien.wei.mgh@direct.partners.masshiway.net

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 6

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": "1141862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1750359477",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9142",
            "address_2": "MASS GENERAL PHYSICIAN ORGANIZATION",
            "city": "CHARLESTOWN",
            "state": "MA",
            "postal_code": "021299142",
            "telephone_number": "617-267-7171",
            "fax_number": "617-262-2608"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 OCEAN AVE",
            "city": "REVERE",
            "state": "MA",
            "postal_code": "021513675",
            "telephone_number": "781-485-6350",
            "fax_number": "781-485-6391"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LIEN",
        "first_name": "WEI",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-09",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "223975",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "223975",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2103770",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS MA",
            "identifier": "J28857",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTH PLAN",
            "identifier": "468379",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Revere, MA

Sources for this page

Verify at the official NPI Registry.