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

Hasan N. Abad, DO

Individual provider Hospitalist Physician · NPI 1356872006

Hasan N. Abad, DO is an Internal Medicine in Chicago, Illinois. Qualified in 2017, 9 years ago. Practices with Advocate Health and Hospitals Corporation, a 3,079-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
9
Licensed in
IL, WI
In the registry since
2017
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

836 W Wellington Ave
Chicago, IL 60657-5147
Phone: (773) 296-5435
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 10400 75th St, Kenosha, WI 53142-7884 — (262) 948-5600

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036154676 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 81147 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-154676 (IL)

Record details

NPI number1356872006
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedMarch 24, 2017
Last updated in NPPESMay 19, 2026
Certification dateMay 19, 2026
Mailing address29373 Network Pl, Chicago, IL 60673-5147

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Advocate Health And Hospitals Corporation — 3079 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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