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

Individual provider Pediatrics Physician · NPI 1174618383

Oscar Diaz, MD is a Pediatrics Physician in Chicago, 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.

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Practice location Address checks out

3303 W 26th St
Chicago, IL 60623-4036
Phone: (773) 277-6589
Fax: (773) 277-1841
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 036-082978 (IL)

Record details

NPI number1174618383
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESSeptember 11, 2013
Mailing address3303 W 26th St, Chicago, IL 60623-4036

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