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

Dr. Olisa Kingsley Ezegwu, MD

Individual provider Internal Medicine Physician · NPI 1871089516

Dr. Olisa Kingsley Ezegwu, MD is a Cardiovascular Disease (Cardiology) in Chicago, Illinois. Qualified in 2015, 11 years ago. Practices with Trustees of Columbia University in the City of New York, a 2,250-clinician group and accepts Medicare assignment. Licensed in Illinois and New York.

Years since qualifying
11
Licensed in
IL, NY
In the registry since
2018
Specialties on file
3
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

1901 W Harrison St
Chicago, IL 60612-3714
Phone: (708) 682-5977
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 334705 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1.25071705 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125071705 (IL)

Record details

NPI number1871089516
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2018
Last updated in NPPESMay 22, 2025
Certification dateMay 22, 2025

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Trustees Of Columbia University In The City Of New York — 2250 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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