Dr. Timothy J. Heilizer, MD

Dr. Heilizer practices at Tim Heilizer SC Corp in Chicago, Illinois.

Dr. Heilizer's NPI, 1245347996, was assigned on August 25, 2006. Dr. Heilizer holds Illinois license 036091663.

Dr. Heilizer's primary practice is Tim Heilizer SC Corp, at 2338 W North Ave, Chicago, IL 60647 in Cook County. The practice phone is (773) 227-5914.

Dr. Heilizer's primary practice is Tim Heilizer SC Corp in Chicago, Illinois. Dr. Heilizer is also affiliated with Resurrection Medical Center. The medical group on file is Chicago Colon and Rectal. Dmand AI also links Dr. Heilizer to 2 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Heilizer practices, 4 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Heilizer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Heilizer is licensed in Illinois.

CMS data shows 273 Medicare services from Dr. Heilizer across 7 procedure codes in 2024, for 115 Medicare patients. Medicare paid $24,624 for them.

CMS counts 115 Medicare patients who saw Dr. Heilizer in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 67% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Heilizer's median patient age at 55, with 47% women.

In 2024, Dr. Heilizer wrote 116 Medicare Part D claims for 81 patients. 78% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $2,184 in total drug cost. In 2023, CMS named 70 claims across 3 drugs.

Dr. Heilizer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Heilizer as offering telehealth. CMS counts 24 procedures of colonoscopy by Dr. Heilizer, more than 50% of the clinicians it reports for that procedure.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 33 general payments to Dr. Heilizer from 12 drug and device companies from 2016 to 2025. Education make up the largest share, 75% of the total. Intuitive Surgical, Inc. paid the most, $8,660.