Individual provider Active NPI

Weiyi Tang, MD

  • Internal Medicine Physician
  • Marion, IL
National Provider Identifier
1255307971
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A73375 Issued in CA
Practice address
2401 W Main St
Marion, IL 62959-1188
Phone
(618) 997-5311
NPI assigned
Feb 23, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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 A73375 CA Primary

Addresses

Primary practice location

2401 W Main St
Marion, IL 62959-1188

Mailing address

2401 W Main St
Marion, IL 62959-1188
Phone (618) 997-5311

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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
I20160302001518 IL Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 3678756343

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A73375CAMDInternal Medicine Physician

NPI Registry JSON

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

{
    "created_epoch": "1140652800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1255307971",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2401 W MAIN ST",
            "city": "MARION",
            "state": "IL",
            "postal_code": "629591188",
            "telephone_number": "618-997-5311"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2401 W MAIN ST",
            "city": "MARION",
            "state": "IL",
            "postal_code": "629591188",
            "telephone_number": "618-997-5311"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANG",
        "first_name": "WEIYI",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-23",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A73375",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Marion, IL

Sources for this page

Verify at the official NPI Registry.