NPPES file of Aug 9, 2026

Mitchell Fagan, DO

Emergency Medicine Physician · Chicago, IL

Mitchell Fagan, DO is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1134851538, issued on Jun 26, 2022. Check the license (Illinois 125.079694, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134851538
Name
Mitchell Fagan
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
125.079694 IL
Self-reported in NPPES; status is on the state search
Practice location
1750 W Harrison St Ste 108, Chicago, IL 60612
Phone
(312) 942-7802
Enumerated
Jun 26, 2022
Record last updated
Jun 26, 2022
Medicare enrollment
Enrolled (PECOS I20250506000929); accepts Medicare assignment
Medical or professional school
Kansas City University Of Med & Biosciences, College Of Osteo Med, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1750 W Harrison St Ste 108

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shayna Adams, MDEmergency Medicine Physician1578060380
  2. Jasmine Beasley, DOEmergency Medicine Physician1376238725
  3. Dustin BrownEmergency Medicine Physician1881272516
  4. Catherine Buckley, MDEmergency Medicine Physician1306343280
  5. Nicholas Chien, MDEmergency Medicine Physician1295255420
  6. Stephen Gore, M.D.Emergency Medicine Physician1639445406

Verify Mitchell Fagan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125.079694
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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90% fewer Medicare Part D claims than the average emergency medicine physician in 2024

22 Medicare Part D claims for 19 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mitchell Fagan22
  2. Specialty average226

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 3 group practices

  1. Rockford Emergency Physicians, LLCRockford, IL
  2. Rush Oak Park ER Physicians GroupOak Park, IL
  3. Rush University Medical GroupChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mitchell Fagan among 3,291 emergency medicine physician records in Illinois

Mitchell Fagan, DO is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 85% of them.

  • NPI issued2022 · 85% of these records are older, 11% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2022 · median 2012 among the 1,867 with a school on file
  • Record last updated2022 · 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 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,310 emergency medicine physician records list a practice address in Chicago

They are 1,310 of the 63,379 NPPES records with a practice address in Chicago, and 3,291 emergency medicine physician records in Illinois.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Brawka, M.D.Chicago, IL 606121174599112
  2. Christopher Caudill, MDChicago, IL 606121013993104
  3. Galeta Clayton, M.D.Chicago, IL 606121588630743
  4. Jennifer Fleming, M.D.Chicago, IL 606121912973975
  5. Jeffrey Grassle, M.D.Chicago, IL 606121205802147
  6. Marilyn Hallock, M.D.Chicago, IL 606121336110691
  7. Mumtaz Husain, M.D.Chicago, IL 606121891761953
  8. Paula Oldeg, M.D.Chicago, IL 606121568438687

Common questions

What is Mitchell Fagan, DO's NPI number?

Mitchell Fagan, DO's National Provider Identifier (NPI) is 1134851538, issued on Jun 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mitchell Fagan, DO located?

The NPPES record lists a practice address at 1750 W Harrison St Ste 108, Chicago, IL, 60612. Phone: (312) 942-7802. Providers update this record themselves, so call before visiting.

How can I verify Mitchell Fagan, DO's license?

NPPES lists Illinois license number 125.079694, 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 Mitchell Fagan, DO prescribe under Medicare Part D?

In 2024, Mitchell Fagan, DO had 22 Medicare Part D claims for 19 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.