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

Hassan G Azar, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1538504493

Hassan G Azar, MD is a Pulmonary Disease in Olympia Fields, Illinois. Qualified in 1986, 40 years ago. Practices with Cook County, a 787-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
40
Licensed in
IL
In the registry since
2013
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

3800 W 203rd St Ste 202
Olympia Fields, IL 60461-1184
Phone: (708) 679-2661
Fax: (708) 503-3860
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 036.087480 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036.087480 (IL)

Record details

NPI number1538504493
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 6, 2013
Last updated in NPPESNovember 22, 2023
Certification dateNovember 22, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice Cook County — 787 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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