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

William R Yu, MD

Individual provider Internal Medicine Physician · NPI 1003903931

William R Yu, MD is an Internal Medicine Physician in Springfield, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2901 Old Jacksonville Rd
Springfield, IL 62704-7437
Phone: (217) 698-9722
Fax: (217) 698-8012
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 36061621 (IL)

Record details

NPI number1003903931
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 10, 2006
Last updated in NPPESDecember 30, 2021
Certification dateDecember 30, 2021
Mailing address1836 South Macarthur Blvd, Springfield, IL 62704

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