Ellen Stolar, MD
Internal Medicine Physician · Highland Park, IL
Ellen Stolar, MD is an internal medicine physician with a practice address in Highland Park, Illinois, and NPI 1679898472, issued on Apr 5, 2010. Check the license (Illinois 036131944, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ellen Stolar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036131944 IL
Self-reported in NPPES; status is on the state search - Practice location
- 344 Iris Lane, Highland Park, IL 60035
- Phone
- (312) 996-2242
- Enumerated
- Apr 5, 2010
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Ellen Stolar 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 036131944Check 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 internal medicine physician in 2024
57 Medicare Part D claims for 26 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.
Ellen Stolar among 7,238 internal medicine physician records in Illinois
Ellen Stolar, MD 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 2010, is newer than 51% of them.
- NPI issued2010 · 51% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- 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).
38 internal medicine physician records list a practice address in Highland Park
They are 38 of the 882 NPPES records with a practice address in Highland Park, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Highland Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Block, MDHighland Park, IL 600351316915192
- Kenneth Breger, MDHighland Park, IL 600351467429563
- Vuong Dang-Duc, MDHighland Park, IL 600351588630719
- Ronald Feingold, MDHighland Park, IL 600351114995966
- Lee Freedman, MDHighland Park, IL 600351497708556
- Robert Freilich, MDHighland Park, IL 600351528066347
- Barry Goldberg, MDHighland Park, IL 600351760450548
- Heberto Hernandez, MDHighland Park, IL 600351366419194
Common questions
What is Ellen Stolar, MD's NPI number?
Ellen Stolar, MD's National Provider Identifier (NPI) is 1679898472, issued on Apr 5, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Stolar, MD located?
The NPPES record lists a practice address at 344 Iris Lane, Highland Park, IL, 60035. Phone: (312) 996-2242. Providers update this record themselves, so call before visiting.
How can I verify Ellen Stolar, MD's license?
NPPES lists Illinois license number 036131944, 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 Ellen Stolar, MD prescribe under Medicare Part D?
In 2024, Ellen Stolar, MD had 57 Medicare Part D claims for 26 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.