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

Individual provider Internal Medicine Physician · NPI 1316511678

Frank Tian Wen, MD, PHD is an Internal Medicine Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

5841 S Maryland Ave Ste MC2115
Chicago, IL 60637-1443
Phone: (773) 702-6840
Fax: (773) 834-3950
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 125.078243 (IL)

Record details

NPI number1316511678
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedMay 19, 2021
Last updated in NPPESJune 13, 2023
Certification dateJune 13, 2023

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