Nancy V.h. Stewart, D.O.
Internal Medicine Physician · Oak Park, IL
Nancy V.h. Stewart, D.O. is an internal medicine physician with a practice address in Oak Park, Illinois, and NPI 1093957680, issued on Mar 30, 2009. Check the license (Illinois 036128853, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nancy V.h. Stewart
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036128853 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3 Erie Court, Oak Park, IL 60302
- Phone
- (708) 763-1447
- Enumerated
- Mar 30, 2009
- Record last updated
- Jul 31, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200129003078); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 3 Erie Court
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julio Rossi, MDDiagnostic Radiology Physician1871608281
- Amy Yuksel, M.D.Emergency Medical Services (Emergency Medicine) Physician1730357591
Verify Nancy V.h. 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 036128853Check 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 internal medicine physician in 2024
124 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Trelegy Ellipta24 claims
- Varenicline Tartrate14 claims
- Armodafinil13 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.
The MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kansas University Physicians IncLenexa, KS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy V.h. Stewart among 7,238 internal medicine physician records in Illinois
Nancy V.h. Stewart, D.O. 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 2009, is newer than 49% of them.
- NPI issued2009 · 49% of these records are older, 49% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2009 · median 2003 among the 3,580 with a school on file
- Record last updated2012 · 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).
62 internal medicine physician records list a practice address in Oak Park
They are 62 of the 2,307 NPPES records with a practice address in Oak Park, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Oak Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Albert, D.C., M.D.Oak Park, IL 603021457465098
- Alejandra Campos, M.D.Oak Park, IL 603021932195146
- Wahiba Elhag, M.D.Oak Park, IL 603021982891826
- Augusto GuevaraOak Park, IL 603021962557686
- Charles Johnston, MDOak Park, IL 603021831288422
- Khurram Khan, M.D.Oak Park, IL 603021730370586
- Katarzyna Kielczyk, M.D.Oak Park, IL 603021194922203
- Esteban Linarez, M.D.Oak Park, IL 603021740483262
Common questions
What is Nancy V.h. Stewart, D.O.'s NPI number?
Nancy V.h. Stewart, D.O.'s National Provider Identifier (NPI) is 1093957680, issued on Mar 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nancy V.h. Stewart, D.O. located?
The NPPES record lists a practice address at 3 Erie Court, Oak Park, IL, 60302. Phone: (708) 763-1447. Providers update this record themselves, so call before visiting.
How can I verify Nancy V.h. Stewart, D.O.'s license?
NPPES lists Illinois license number 036128853, 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 Nancy V.h. Stewart, D.O. prescribe under Medicare Part D?
In 2024, Nancy V.h. Stewart, D.O. had 124 Medicare Part D claims for 36 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Nancy V.h. Stewart, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.