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

Individual provider Internal Medicine Physician · NPI 1922193671

Dr. Yannis Sergio Guerra, MD is a General Practice in Chicago, Illinois. Qualified in 1998, 28 years ago. Practices with Cook County, a 787-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
28
Licensed in
IL
In the registry since
2006
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

1510S Halsted St
Chicago, IL 60607-5128
Phone: (312) 380-9026
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 036-115664 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036115664 (IL)

Record details

NPI number1922193671
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 4, 2006
Last updated in NPPESApril 26, 2021
Certification dateApril 26, 2021

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Also practisesENDOCRINOLOGY
Medical schoolOTHER
Graduated 1998 (28 years in practice)
Group practice Cook County — 787 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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