Organization Active NPI

William Seng Tan, SC

  • Family Medicine Physician
  • Olympia Fields, IL
National Provider Identifier
1497513840
Registry record updated Mar 11, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
WILLIAM SENG TAN, SC
Practice address
20060 Governors Dr Ste 204
Olympia Fields, IL 60461-1099
Phone
(708) 283-8300
Fax
(708) 283-9245
NPI assigned
Mar 11, 2024
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 11, 2024

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

Authorized official

Name
Dr. William S Tan, DONPI 1891112306
Title
President
Phone
(708) 283-8300

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207Q00000X Primary

Addresses

Primary practice location

20060 Governors Dr Ste 204
Olympia Fields, IL 60461-1099

Mailing address

20060 Governors Dr Ste 204
Olympia Fields, IL 60461-1099
Phone (708) 283-8300

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20240805001757 IL Part B Supplier - Clinic/Group Practice 7315484615 Receives reassigned benefits from 1 practitioner
Practice locations: Olympia Fields, IL

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
14D2308022William Seng Tan S C20060 Governors Dr - Ste 204, Olympia Fields, IL 60461Certificate of waiverJul 18, 2028

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1710115200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1710115200000",
    "number": "1497513840",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20060 GOVERNORS DR STE 204",
            "city": "OLYMPIA FIELDS",
            "state": "IL",
            "postal_code": "604611099",
            "telephone_number": "708-283-8300",
            "fax_number": "708-283-9245"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20060 GOVERNORS DR STE 204",
            "city": "OLYMPIA FIELDS",
            "state": "IL",
            "postal_code": "604611099",
            "telephone_number": "708-283-8300",
            "fax_number": "708-283-9245"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WILLIAM SENG TAN, SC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-03-11",
        "last_updated": "2024-03-11",
        "certification_date": "2024-03-11",
        "status": "A",
        "authorized_official_last_name": "TAN",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "708-283-8300",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Olympia Fields, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 11, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.