Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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John Ta-Hsiang Tsiang, MD

Individual provider Neurological Surgery Physician · NPI 1215496443

John Ta-Hsiang Tsiang, MD is a Neurological Surgery Physician in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2019.

Licensed in
IL
In the registry since
2019
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

1620 W Harrison St
Chicago, IL 60612-3801
Phone: (312) 942-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 125.074516 (IL)

Record details

NPI number1215496443
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 18, 2019
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026

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