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

Individual provider Pediatrics Physician · NPI 1609293695

Pei-Yuan Tsou, MD is a Pediatrics Physician in Naperville, Illinois. Works from 3 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2014
Specialties on file
2
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

801 S Washington St Pediatric Hospitalists
Naperville, IL 60540-7430
Phone: (630) 527-5197
Fax: (630) 527-5526
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1740 W Taylor St, Chicago, IL 60612-7232 — (866) 600-2273
  • 1555 Barrington Rd, Hoffman Estates, IL 60169-1019 — (847) 818-7691

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036141489 (IL)
Pediatrics Physician Taxonomy 208000000X · Licence 036141489 (IL)

Record details

NPI number1609293695
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2014
Last updated in NPPESJuly 9, 2026
Certification dateJuly 9, 2026

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