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

Eleazar E Calero, MD

Individual provider Internal Medicine Physician · NPI 1336280122

Eleazar E Calero, MD is an Internal Medicine in Chicago, Illinois. Qualified in 1984, 42 years ago. Practices with 219 Health Network Inc, a 70-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
42
Licensed in
IL
In the registry since
2007
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

4324 W 63rd St
Chicago, IL 60629-5012
Phone: (773) 767-3171
Fax: (773) 767-9227
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036078184 (IL)

Record details

NPI number1336280122
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 12, 2007
Last updated in NPPESJune 13, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice 219 Health Network Inc — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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