Gary A. Steinecker, MD
Medical Oncology Physician · Oak Lawn, IL
Gary A. Steinecker, MD is a medical oncology physician with a practice address in Oak Lawn, Illinois, and NPI 1699880872, issued on Aug 20, 2006. Check the license (Illinois 03645587, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gary A. Steinecker
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 03645587 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4400 W 95TH St, Oak Lawn, IL 60453
- Phone
- (708) 346-4100
- Enumerated
- Aug 20, 2006
- Record last updated
- Jan 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (708) 346-2095
- Medicaid ID
- 036045587 IL
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Also registered at 4400 W 95TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Ancona, PAPhysician Assistant1003891649
- Susan Apolinario, M.D.Allergy & Immunology Physician1174522171
- Humera Asem, MDObstetrics & Gynecology Physician1366621054
- Abbey Baker, PA-CSurgical Physician Assistant1861492571
Verify Gary A. Steinecker 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 03645587Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average medical oncology physician in 2024
15 Medicare Part D claims, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $57.76
3 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gary A. Steinecker among 182 medical oncology physician records in Illinois
Gary A. Steinecker, MD is one of 182 medical oncology physician records with a practice address in Illinois. 83% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2009 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Illinois
There are 182 medical oncology physician records in Illinois.
All 182 in Illinois → Every provider in Oak Lawn → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Thomas Hoeltgen, MDOak Lawn, IL 604531407856073
- Prashant Joshi, M.D.Oak Lawn, IL 604531316946890
- Nada Sherman, MDOak Lawn, IL 604531922085281
- Timothy Kuzel, MDOrland Park, IL 604621851325088
- Arvind Kumar, MDTinley Park, IL 604871861590689
- Angelica Tolentino, D.O.Tinley Park, IL 604871417163312
- Arjun Natarajan, MDAurora, IL 605061144682642
- Revathi Suppiah, M.D.Aurora, IL 605061760644116
Common questions
What is Gary A. Steinecker, MD's NPI number?
Gary A. Steinecker, MD's National Provider Identifier (NPI) is 1699880872, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary A. Steinecker, MD located?
The NPPES record lists a practice address at 4400 W 95TH St, Oak Lawn, IL, 60453. Phone: (708) 346-4100. Providers update this record themselves, so call before visiting.
How can I verify Gary A. Steinecker, MD's license?
NPPES lists Illinois license number 03645587, 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 Gary A. Steinecker, MD prescribe under Medicare Part D?
In 2024, Gary A. Steinecker, MD had 15 Medicare Part D claims; the average among medical oncology physician prescribers was 703. 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.