Timothy J. Heilizer, MD
Surgery Physician · Chicago, IL
Timothy J. Heilizer, MD is a surgery physician with a practice address in Chicago, Illinois, and NPI 1245347996, issued on Aug 25, 2006. Check the license (Illinois 036091663, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Timothy J. Heilizer
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 036091663 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2338 W North Ave, Chicago, IL 60647
- Phone
- (773) 227-5914
- Enumerated
- Aug 25, 2006
- Record last updated
- Jun 10, 2024
- Medicare enrollment
- Enrolled (PECOS I20050328000067); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Verify Timothy J. Heilizer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036091663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average surgery physician in 2024
116 Medicare Part D claims for 81 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 41 claims were for opioids.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf27 claims
- Acetaminophen-Codeine26 claims
- Amoxicillin-Clavulanate Potass15 claims
- Hydrocodone-Acetaminophen15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Timothy J. Heilizer among 1,520 surgery physician records in Illinois
Timothy J. Heilizer, MD is one of 1,520 surgery physician records with a practice address in Illinois. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 64% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1993 · median 2004 among the 650 with a school on file
- Record last updated2024 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Illinois
There are 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Chicago → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Andrew Gorchynsky, M.D.Chicago, IL 606471730100173
- George Cole, MDChicago, IL 606491376601336
- Enrique David, M. D.Chicago, IL 606491245253038
- Gloria Dsouza, M.D.Chicago, IL 606451528325552
- Leonardo Go, MDChicago, IL 606491265485189
- William Walsh, M.D.Chicago, IL 606431912185901
- Sarah Hans, M.D.Chicago, IL 606421720396203
- Kiran Amin, MDChicago, IL 606411285724997
Common questions
What is Timothy J. Heilizer, MD's NPI number?
Timothy J. Heilizer, MD's National Provider Identifier (NPI) is 1245347996, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy J. Heilizer, MD located?
The NPPES record lists a practice address at 2338 W North Ave, Chicago, IL, 60647. Phone: (773) 227-5914. Providers update this record themselves, so call before visiting.
How can I verify Timothy J. Heilizer, MD's license?
NPPES lists Illinois license number 036091663, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy J. Heilizer, MD prescribe under Medicare Part D?
In 2024, Timothy J. Heilizer, MD had 116 Medicare Part D claims for 81 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.