DR. BRENNAN BARRETT D.O.
NPI 1669847307
Radiology - Diagnostic Radiology in Chicago, IL

Active since December 07, 2015PECOS EnrolledAccepts Medicare Assignment
97.28/100
CMS Quality Rating
1500 S FAIRFIELD AVE, CHICAGO, IL 60608(773) 542-2000 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 3, 2025, Dec 7, 2015 (2 updates tracked since 2015).

About Dr. Brennan Barrett D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BRENNAN BARRETT D.O. (NPI 1669847307) is an individual diagnostic radiology provider in Chicago, Illinois, licensed in Illinois (036157616) and active in the NPI registry since December 2015. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and maintains a secondary practice location in Jensen Beach.

NPPES Registry Identity

NPI1669847307
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. BRENNAN BARRETTCredential: D.O.
Location Address1500 S FAIRFIELD AVEChicago, IL 60608-1782
Mailing Address3605 Nw Mediterranean LnJensen Beach, FL 34957-3106
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateDecember 7, 2015
Last NPPES UpdateFebruary 9, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2026
NPI 1669847307 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in IL · 036157616 Licensed in FL · UO4530
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1500 S FAIRFIELD AVE, Chicago, IL 60608

Secondary Practice Location 1

Location 13605 NW Mediterranean LnJensen Beach, FL 34957-3106 · Phone (414) 840-0985

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Brennan Barrett D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850644923
PECOS Enrollment IDI20211021002351
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
279 services248 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
125 services118 patients
X-ray of abdomen, 1 view 74018
An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.
65 services52 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
63 services60 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
62 services60 patients
Ultrasound study of one arm or leg veins with compression and maneuvers 93971
This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.
49 services48 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140007
Location333 N Madison StJoliet, IL 60435 · Will County
Emergency services Birthing friendly

Mt Sinai Hospital Medical Center

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140018
Location1500 S Fairfield AveChicago, IL 60608 · Cook County
Emergency services Birthing friendly

Presence Saint Francis Hospital

Acute Care Hospitals · Evanston, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140080
Location355 Ridge AveEvanston, IL 60202 · Cook County
Emergency services

Amita Health Resurrection Medical Center

Acute Care Hospitals · Chicago, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140117
Location7435 W Talcott AvenueChicago, IL 60631 · Cook County
Emergency services Birthing friendly

Holy Cross Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140133
Location2701 W 68th StreetChicago, IL 60629 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality89.78
Promoting Interoperability98.23
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Pharmacist
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Nurse Practitioner (Family)
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Obstetrics & Gynecology
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Surgery
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Internal Medicine
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Student in an Organized Health Care Education/Training Program
1500 S FAIRFIELD AVE
CHICAGO, IL 60608
Psychologist
1500 S FAIRFIELD AVE
CHICAGO, IL 60608

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Brennan Barrett's NPI number?

The NPI number for Brennan Barrett is 1669847307. It was assigned to this individual provider in the NPPES registry on December 7, 2015.

Where is Brennan Barrett located?

Brennan Barrett practices at 1500 S Fairfield Ave, Chicago, IL 60608. The listed phone number is (773) 542-2000.

What is Brennan Barrett's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Brennan Barrett enrolled in Medicare?

Yes. Brennan Barrett is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Brennan Barrett accept?

Health plans from Blue Cross and Blue Shield of Nebraska list Brennan Barrett as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Brennan Barrett affiliated with any hospitals?

According to CMS data, Brennan Barrett is affiliated with Presence Saint Joseph Medical Center, Mt Sinai Hospital Medical Center, Presence Saint Francis Hospital, Amita Health Resurrection Medical Center and Holy Cross Hospital.

When was this NPI record last updated?

The NPPES record for Brennan Barrett was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.