Ellen Daily Stephen, MD
Allergy & Immunology (Internal Medicine) Physician · Chicago, IL
Ellen Daily Stephen, MD is an allergy & immunology (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1225521776, issued on Jun 10, 2018. Check the license (Illinois 036.155856, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ellen Daily Stephen
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License numbers
- 036.155856 IL
125.072452 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St Ste 117, Chicago, IL 60612
- Phone
- (312) 942-6296
- Enumerated
- Jun 10, 2018
- Record last updated
- Aug 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20240521003815); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1725 W Harrison St Ste 117
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Fox, PA-C, MMSPhysician Assistant1992919401
- Matthew Goodsmith, MDAllergy & Immunology Physician1568043909
- Christine Maclean, NPCFamily Nurse Practitioner1740210004
- Amanda Salih, MD, MPHAllergy & Immunology Physician1861808503
Verify Ellen Daily Stephen 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 036.155856Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
158 Medicare Part D claims for 51 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Azelastine Hcl62 claims
- Fluticasone Propionate36 claims
- Ipratropium Bromide18 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.
Bills Medicare through one group practice
- Permanente Medical Group IncModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Illinois
There are 22 allergy & immunology (internal medicine) physician records in Illinois.
Other allergy & immunology (internal medicine) physician records in Illinois
- Naveed Akhtar, M.D.Bolingbrook, IL1912997933
- Miguel Alcordo, M.D.Tinley Park, IL1477553899
- Sindhura Bandi, MDChicago, IL1891951208
- Christopher Greb, MDChicago, IL1134623895
- Mahera Husain, MDChicago, IL1659075596
- Julie Klemens, M.D.Lombard, IL1588708770
- Jason Knuffman, MDQuincy, IL1184690109
- Elizabeth Kudlaty, MDChicago, IL1326543232
- Sylvia Li, MDChicago, IL1508492463
- Amee Majmundar, M.D.Orland Park, IL1093794620
Common questions
What is Ellen Daily Stephen, MD's NPI number?
Ellen Daily Stephen, MD's National Provider Identifier (NPI) is 1225521776, issued on Jun 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ellen Daily Stephen, MD located?
The NPPES record lists a practice address at 1725 W Harrison St Ste 117, Chicago, IL, 60612. Phone: (312) 942-6296. Providers update this record themselves, so call before visiting.
How can I verify Ellen Daily Stephen, MD's license?
NPPES lists Illinois license number 036.155856, 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 Daily Stephen, MD prescribe under Medicare Part D?
In 2024, Ellen Daily Stephen, MD had 158 Medicare Part D claims for 51 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.