Roger Stephen Smith, MD, PHD
Critical Care Medicine (Internal Medicine) Physician · Chicago, IL
Roger Stephen Smith, MD, PHD is a critical care medicine (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1134677651, issued on Sep 13, 2016. Check the license (Illinois 125084077, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Roger Stephen Smith
- Credential
- MD, PHD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 125084077 IL
Self-reported in NPPES; status is on the state search - Practice location
- 240 E Huron St, Chicago, IL 60611
- Phone
- (312) 503-7975
- Enumerated
- Sep 13, 2016
- Record last updated
- Jun 21, 2026
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 281 in Illinois → Look up another NPI →
Also registered at 240 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roger Stephen Smith 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 125084077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
25 Medicare Part D claims, against an average of 696 among the 2,873 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.
Roger Stephen Smith among 281 critical care medicine (internal medicine) physician records in Illinois
Roger Stephen Smith, MD, PHD is one of 281 critical care medicine (internal medicine) physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 72% of them.
- NPI issued2016 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 80% of these records are
- Record last updated2026 · 22% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Illinois
There are 281 critical care medicine (internal medicine) physician records in Illinois.
All 281 in Illinois → Every provider in Chicago → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Jessica Blank, MDChicago, IL 606111467915207
- Michael Cuttica, MDChicago, IL 606111932224441
- Marc Sala, MDChicago, IL 606111124261169
- Cristina Bardita, MD, PHDChicago, IL 606121861809295
- William Chamberlin, MDChicago, IL 606121194820514
- Min Joo, MDChicago, IL 606121699722777
- Vassyl Lonchyna, MDChicago, IL 606121144412677
- Melvin Lopata, M.D.Chicago, IL 606121932142528
Common questions
What is Roger Stephen Smith, MD, PHD's NPI number?
Roger Stephen Smith, MD, PHD's National Provider Identifier (NPI) is 1134677651, issued on Sep 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Roger Stephen Smith, MD, PHD located?
The NPPES record lists a practice address at 240 E Huron St, Chicago, IL, 60611. Phone: (312) 503-7975. Providers update this record themselves, so call before visiting.
How can I verify Roger Stephen Smith, MD, PHD's license?
NPPES lists Illinois license number 125084077, 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 Roger Stephen Smith, MD, PHD prescribe under Medicare Part D?
In 2024, Roger Stephen Smith, MD, PHD had 25 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.