Steven Campbell Marek, M.D.
Hospitalist Physician · Oak Lawn, IL
Steven Campbell Marek, M.D. is a hospitalist physician with a practice address in Oak Lawn, Illinois, and NPI 1588953897, issued on Apr 7, 2011. Check the license (Illinois 036-143896, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Steven Campbell Marek
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036-143896 IL
MD042379 DC
0101256140 VA
Self-reported in NPPES; status is on the state search - Practice location
- 4440 W 95TH St Ste 2177H, Oak Lawn, IL 60453
- Phone
- (847) 723-5577
- Enumerated
- Apr 7, 2011
- Record last updated
- Jan 22, 2026
- Fax
- (708) 684-4716
- Entity
- Type 1 · individual
Also registered at 4440 W 95TH St Ste 2177H
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Dana NezonHospitalist Physician1912393240
- Kimi PatelPediatrics Physician1386394930
Verify Steven Campbell Marek 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 036-143896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31 hospitalist physician records list a practice address in Oak Lawn
They are 31 of the 2,993 NPPES records with a practice address in Oak Lawn, and 1,535 hospitalist physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 31 in Oak Lawn → All 1,535 in Illinois → Every provider in Oak Lawn →
Other hospitalist physician records in Illinois
- Hasan Abad, D.O.Chicago, IL1356872006
- Pamela Abadi, D.O.Winfield, IL1588820179
- Misha Abbasi, MDChicago, IL1770111635
- Hossam Abdel Aziz, MDWinfield, IL1114558145
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Maysa Abdul Hussain, MDChicago, IL1245417070
- Shabreen Abdul Sharief, MDHuntley, IL1992025118
- Eyad Abdulrazzak, MDEvanston, IL1710592589
- Syed Abdur-Rahman, MDDekalb, IL1538658729
Common questions
What is Steven Campbell Marek, M.D.'s NPI number?
Steven Campbell Marek, M.D.'s National Provider Identifier (NPI) is 1588953897, issued on Apr 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Steven Campbell Marek, M.D. located?
The NPPES record lists a practice address at 4440 W 95TH St Ste 2177H, Oak Lawn, IL, 60453. Phone: (847) 723-5577. Providers update this record themselves, so call before visiting.
How can I verify Steven Campbell Marek, M.D.'s license?
NPPES lists Illinois license number 036-143896, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.