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

Gary A Steinecker, MD

Individual provider Medical Oncology Physician · NPI 1699880872

Gary A Steinecker, MD is a Medical Oncology Physician in Oak Lawn, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

4400 W 95th St #302
Oak Lawn, IL 60453
Phone: (708) 346-4100
Fax: (708) 346-2095
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 03645587 (IL)

Record details

NPI number1699880872
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESJanuary 13, 2009

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