Aaron Gregory Braun, D.O.
Emergency Medicine Physician · Chicago, IL
Aaron Gregory Braun, D.O. is an emergency medicine physician with a practice address in Chicago, Illinois, and NPI 1710127477, issued on Feb 20, 2009. Check the license (Illinois 125-051794, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Aaron Gregory Braun
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 125-051794 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1900 W Harrison St, Chicago, IL 60612
- Phone
- (312) 864-1590
- Enumerated
- Feb 20, 2009
- Record last updated
- Feb 20, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101118000683); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1900 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohan Abraham, MDNephrology Physician1144550088
- Salaheldin Abusin, MDInterventional Cardiology Physician1215266952
- Ioana Haratau, MDInternal Medicine Physician1619919164
- Adolfo Jaitovich, MDInternal Medicine Physician1033438973
- Rajeev Kumar, M.D.Neonatal-Perinatal Medicine Physician1558688127
- Sandrea TownsendCommunity Health Worker1649836503
Verify Aaron Gregory Braun 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 125-051794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Bunker Hill Urgent Care PLLC DBA Entrust Immediate CareHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.
All 1,310 in Chicago → All 3,291 in Illinois → Every provider in Chicago →
Other emergency medicine physician records in Illinois
- Osama Aaflaq, M.D.Carbondale, IL1083663520
- Suresh Abad, M.D.Vernon Hills, IL1639100126
- Albert Abalos, M.D.Elmhurst, IL1881983484
- Habib Abbasi, M.D.Joliet, IL1902832835
- Andrew Abbeg, D.O.Greenville, IL1548490311
- Ryan Abbott, DOChicago, IL1477243517
- Ahmad Abdulla, MDOak Lawn, IL1467202556
- Zakaria Abdulnabi, M.D.Urbana, IL1790135499
- Aziz Abed, M.D.Harvey, IL1477874154
- Logan Abel, MDChicago, IL1447900592
Common questions
What is Aaron Gregory Braun, D.O.'s NPI number?
Aaron Gregory Braun, D.O.'s National Provider Identifier (NPI) is 1710127477, issued on Feb 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Gregory Braun, D.O. located?
The NPPES record lists a practice address at 1900 W Harrison St, Chicago, IL, 60612. Phone: (312) 864-1590. Providers update this record themselves, so call before visiting.
How can I verify Aaron Gregory Braun, D.O.'s license?
NPPES lists Illinois license number 125-051794, 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.
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.