Individual provider Active NPI

Margaret B Wu, MD

  • Internal Medicine Physician
  • East Windsor, NJ
National Provider Identifier
1679673768
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
25MA03121800 Issued in NJ
Practice address
441 US Highway 130
East Windsor, NJ 08520-2710
Phone
(609) 443-5555
Fax
(609) 443-4609
NPI assigned
Sep 25, 2006
Last updated
Sep 11, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 25MA03121800 NJ
Internal Medicine Physician 207R00000X 25MA03121800 NJ Primary

Addresses

Primary practice location

441 US Highway 130
East Windsor, NJ 08520-2710

Mailing address

441 US Highway 130
East Windsor, NJ 08520-2710
Phone (609) 443-5555

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MA03121800NJMDEmergency Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1159142400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1679673768",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "441 US HIGHWAY 130",
            "city": "EAST WINDSOR",
            "state": "NJ",
            "postal_code": "085202710",
            "telephone_number": "609-443-5555",
            "fax_number": "609-443-4609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "441 US HIGHWAY 130",
            "city": "EAST WINDSOR",
            "state": "NJ",
            "postal_code": "085202710",
            "telephone_number": "609-443-5555",
            "fax_number": "609-443-4609"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WU",
        "first_name": "MARGARET",
        "middle_name": "B",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-09-25",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NJ",
            "license": "25MA03121800",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA03121800",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in East Windsor, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.