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

Gene Z Chiao, MD

Individual provider Internal Medicine Physician · NPI 1699733188

Gene Z Chiao, MD is an Internal Medicine Physician in Northbrook, 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.

See every abbreviation used in this directory →

Practice location Address checks out

40 Skokie Blvd Ste 110
Northbrook, IL 60062-1614
Phone: (224) 207-4400
Fax: (224) 407-2255
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 036-079891 (IL)

Record details

NPI number1699733188
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 3, 2006
Last updated in NPPESSeptember 26, 2025
Certification dateSeptember 26, 2025

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