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

Dr. Mary L. Gannon, MD, CADC

Individual provider Addiction Medicine (Psychiatry & Neurology) Physician · NPI 1235268541

Dr. Mary L. Gannon, MD, CADC is an Addiction Medicine (Psychiatry & Neurology) Physician in Oak Brook, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

See every abbreviation used in this directory →

Practice location Address checks out

2625 Butterfield Rd Ste 103 W
Oak Brook, IL 60523-1234
Phone: (630) 981-4886
Show map & directions

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

Specialties & licences

Addiction Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084A0401X · Licence 036068239 (IL)

Record details

NPI number1235268541
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD , CADC
Sole proprietorYes
NPI enumeratedMarch 4, 2007
Last updated in NPPESMay 17, 2011

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