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

Dr. John G Grieco, MD

Individual provider Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · NPI 1023074770

Dr. John G Grieco, MD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Downers Grove, Illinois. Licensed in Illinois and Indiana. Registered with an NPI since 2006.

Licensed in
IL, IN
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.

See every abbreviation used in this directory →

Practice location Address checks out

2650 Warrenville Rd Ste 280
Downers Grove, IL 60515
Phone: (630) 324-7900
Fax: (630) 324-7942
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (primary) Taxonomy 208G00000X · Licence 036057662 (IL)
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician Taxonomy 208G00000X · Licence 01052200 (IN)

Record details

NPI number1023074770
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2006
Last updated in NPPESFebruary 14, 2020
Certification dateFebruary 14, 2020

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