Sidney A. Stewart, M.D.
Internal Medicine Physician · Peoria, IL
Sidney A. Stewart, M.D. is an internal medicine physician with a practice address in Peoria, Illinois, and NPI 1447411509, issued on Jun 21, 2008. Check the license (Illinois 036.129806, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Sidney A. Stewart
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036.129806 IL
125-054735 IL
Self-reported in NPPES; status is on the state search - Practice location
- 530 NE Glen Oak Ave, Peoria, IL 61637
- Phone
- (309) 655-2000
- Enumerated
- Jun 21, 2008
- Record last updated
- Jan 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121226000049); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 530 NE Glen Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bassel Abouzeid, MDObstetrics & Gynecology Physician1376160846
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- Angela AdamsOccupational Therapist1124564802
Verify Sidney A. Stewart 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 036.129806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
36 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 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.
Bills Medicare through 2 group practices
- Heartland Community Health ClinicPeoria, IL
- The Board OF Trustees OF The University OF IllinoisPeoria, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sidney A. Stewart among 7,238 internal medicine physician records in Illinois
Sidney A. Stewart, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2008 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
173 internal medicine physician records list a practice address in Peoria
They are 173 of the 4,621 NPPES records with a practice address in Peoria, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Peoria → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Meenakshy Aiyer, MDPeoria, IL 616371346213170
- Antoine Daccache, MDPeoria, IL 616371336255611
- Jacqueline Fischer, MDPeoria, IL 616371417921024
- James Graumlich, MDPeoria, IL 616371366417685
- Jessica Hanks, M.D.Peoria, IL 616371952525222
- Richard Harvey, MDPeoria, IL 616371740259068
- Ghaly Kerolus, MDPeoria, IL 616371669433611
- Christopher Martin, MDPeoria, IL 616371043285315
Common questions
What is Sidney A. Stewart, M.D.'s NPI number?
Sidney A. Stewart, M.D.'s National Provider Identifier (NPI) is 1447411509, issued on Jun 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sidney A. Stewart, M.D. located?
The NPPES record lists a practice address at 530 NE Glen Oak Ave, Peoria, IL, 61637. Phone: (309) 655-2000. Providers update this record themselves, so call before visiting.
How can I verify Sidney A. Stewart, M.D.'s license?
NPPES lists Illinois license number 036.129806, 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 Sidney A. Stewart, M.D. prescribe under Medicare Part D?
In 2024, Sidney A. Stewart, M.D. had 36 Medicare Part D claims for 18 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.