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

Dr. Lydia Elizabeth Issac, MD

Individual provider Cardiovascular Disease Physician · NPI 1679953954

Dr. Lydia Elizabeth Issac, MD is a Cardiovascular Disease (Cardiology) in Chicago, Illinois. Qualified in 2014, 12 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.

Years since qualifying
12
Licensed in
IL
In the registry since
2015
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

2535 S Martin Luther King Dr
Chicago, IL 60616
Phone: (312) 842-7117
Fax: (312) 326-2102
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9831 S Western Ave, Chicago, IL 60643-1740 — (773) 445-3500

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 036-156634 (IL)

Record details

NPI number1679953954
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2015
Last updated in NPPESSeptember 2, 2025
Certification dateSeptember 2, 2025

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2014 (12 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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