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

Gabriel Lok-Hymn Si, MD

Individual provider Pediatric Anesthesiology Physician · NPI 1689204810

Gabriel Lok-Hymn Si, MD is a Pediatric Anesthesiology Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2020
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

225 E Chicago Ave
Chicago, IL 60611-2991
Phone: (312) 227-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Anesthesiology Physician (primary) Taxonomy 207LP3000X · Licence 036.171190 (IL)

Record details

NPI number1689204810
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 15, 2020
Last updated in NPPESAugust 3, 2026
Certification dateAugust 3, 2026

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