Brennan Barrett, D.O.
Individual provider Active NPI Diagnostic Radiology Physician · Chicago, IL
NPI 1669847307 · NPPES record last updated Feb 9, 2026
Key facts
- NPI
- 1669847307
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Diagnostic Radiology Physician 2085R0202X
- License
- 036157616 (IL)
- Practice address
- 1500 S Fairfield Ave
Chicago, IL 60608-1782 - Phone
- (773) 542-2000
- NPI assigned
- Dec 7, 2015
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 16
Hospital & facility affiliations 8
Medicare Care Compare profile
- Specialty
- Interventional Radiology
- Education
- Other, 2015
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- St Bernard Hospital
Loretto Hospital
Mount Sinai Community Foundation
Practice addresses (Care Compare)
326 W 64TH St
Chicago, IL 60621-3114
Phone (773) 962-3900
645 S Central Ave
Chicago, IL 60644-5059
Phone (773) 854-5567
California Ave at 15TH St
Chicago, IL 60608-1858
Phone (773) 542-2000
Hospital & facility affiliations
- Mt Sinai Hospital Medical Center
- Holy Cross Hospital
- Saint Joseph Medical Center
- Amita Health Resurrection Medical Center
- Saint Francis Hospital-Evanston
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (2 enrollments) in IL, NE
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20211021002351 | IL | Practitioner - Interventional Radiology | 1850644923 | Reassigns benefits to 6 organizations |
| I20241028001636 | NE | Practitioner - Diagnostic Radiology |
1850644923 | Reassigns benefits to 2 organizations |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Osteopathy, Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 2932 | NE | MD | Mental Health Counselor |
| 289858 | NY | MD | Licensed Practical Nurse |
| UO4530 | FL | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| St Bernard Hospital & Health Care Center | Current |
Accepting new patients | |
| Mount Sinai Community Foundation | Current |
Accepting new patients | |
| Loretto Hospital | Current |
Accepting new patients | |
| Rockford Health Physicians | Current |
Accepting new patients | |
| Regional West Medical Center | Diagnostic Radiology | Current |
Accepting new patients |
| Mount Sinai Community Foudation | Current |
Accepting new patients | |
| Imaging Associates of Indiana, PC | Diagnostic Radiology | Current |
Accepting new patients |
| Cook County | Current | Accepting new patients | |
| St Bernard Hospital | Current |
Accepting new patients | |
| Mount Sinai Community Foundation | Current | Accepting new patients | |
| Box Butte General Hospital | Current | Accepting new patients | |
| Loretto Hospital | Current |
Accepting new patients | |
| Cook County | Current |
Accepting new patients | |
| Cook County | Diagnostic Radiology | Current |
Accepting new patients |
| Illinois Diagnostic and Interventional Radiology PLLC | Diagnostic Radiology | Past |
Accepting new patients |
Locations
500 E 51st St
Chicago, IL 60615
Phone (312) 572-2000
1901 W Harrison St
Chicago, IL 60612
Phone (312) 864-5100
1500 S Fairfield Ave
Chicago, IL 60608
Phone (773) 257-5701
29624 Network Pl
Chicago, IL 60673
Phone (608) 741-7652
326 W 64th St
Chicago, IL 60621
Phone (773) 962-3900
645 S Central Ave
Chicago, IL 60644
Phone (773) 626-4300
26460 Network Pl
Chicago, IL 60673
Phone (708) 786-2900
1 Ingalls Dr
Harvey, IL 60426
Phone (708) 333-2300
2300 N Rockton Ave
Rockford, IL 61103
Phone (815) 971-5510
8201 E Riverside Blvd
Rockford, IL 61114
Phone (815) 971-4066
2101 Box Butte Ave
Alliance, NE 69301
Phone (308) 762-6660
4021 Avenue B
Scottsbluff, NE 69361
Phone (308) 630-1384
Interoperability endpoints
- brennan.barrett.p1@direct.mmc.nextgenshare.com
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 036157616 | IL | Yes |
| Diagnostic Radiology Physician | 2085R0202X | UO4530 | FL |
Addresses
Primary practice location
1500 S Fairfield Ave
Chicago, IL 60608-1782
Mailing address
3605 NW Mediterranean LN
Jensen Beach, FL 34957-3106
Other practice location 1
3605 NW Mediterranean Ln
Jensen Beach, FL 34957-3106
Phone (414) 840-0985
Other providers in Chicago, IL
- Hector Daniel Barreto
- Jonatan Barreto
- Elise Barrett-Catton
- Meghan Marie Barrett-Englert
- Alexandra Barrett
- Caitlin Barrett
- Courtney Barrett
- Courtney Adrian Barrett
- Denia G. Barrett
- Elaine Barrett
All providers in Chicago, IL · Diagnostic Radiology Physician in Illinois
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Feb 9, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.