Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Seng Tan, SC

Organization Family Medicine Physician · NPI 1497513840

William Seng Tan, SC is a Family Medicine Physician in Olympia Fields, Illinois. Registered with an NPI since 2024.

In the registry since
2024

Practice location Address checks out

20060 Governors Dr Ste 204
Olympia Fields, IL 60461-1099
Phone: (708) 283-8300
Fax: (708) 283-9245
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1497513840
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Tan — President · (708) 283-8300
NPI enumeratedMarch 11, 2024
Last updated in NPPESMarch 11, 2024
Certification dateMarch 11, 2024
Mailing address20060 Governors Dr Ste 204, Olympia Fields, IL 60461-1099

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