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

Q: 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.

Q: What is Brennan Barrett's specialty?

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

Q: 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 8 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.

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: October 25, 2026.

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

On this page

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

Phone(773) 542-2000

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

Open in Google Maps ↗

Secondary Practice Location 1

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Nebraska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

Medicare enrollment records show Brennan Barrett reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mount Sinai Community Foundation

Same address

Surgery

2720 W. 15TH
Chicago, IL 60608

Reassigned Medicare billing, Illinois enrollment
646 clinicians in this Medicare group

NPI 1649318148 (773) 257-6701

Loretto Hospital

4.2 mi

General Practice

645 S CENTRAL AVE
Chicago, IL 60644

Reassigned Medicare billing, Illinois enrollment
61 clinicians in this Medicare group

NPI 1306318753 (773) 854-5430

St Bernard Hospital & Health Care Center

6.4 mi

Geriatric Medicine

6307 S STEWART AVE
Chicago, IL 60621

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: St Bernard Hospital
77 clinicians in this Medicare group

NPI 1700635190 (773) 420-1573

Rockford Health Physicians

72 mi

Multi-Specialty

8201 E RIVERSIDE BLVD
Rockford, IL 61114

Reassigned Medicare billing, Illinois enrollment
1,375 clinicians in this Medicare group

NPI 1043242886 (608) 314-2428

Imaging Associates Of Indiana, PC

156 mi

Diagnostic Radiology

2001 W 86TH ST
Indianapolis, IN 46260

Reassigned Medicare billing, Illinois enrollment
83 clinicians in this Medicare group

NPI 1699072611 (219) 767-6320

Box Butte General Hospital

781 mi

Critical Access

2101 BOX BUTTE AVE
Alliance, NE 69301

Reassigned Medicare billing, Nebraska enrollment
96 clinicians in this Medicare group

NPI 1811929060 (308) 762-6660

Regional West Medical Center

820 mi

Anesthesiology

4021 AVENUE B
Scottsbluff, NE 69361

Reassigned Medicare billing, Nebraska enrollment
70 clinicians in this Medicare group

NPI 1215106356 (308) 630-1469

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

47 services46 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

43 services43 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

35 services35 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

34 services33 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

34 services34 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

30 services29 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

26 services19 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

24 services24 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

24 services24 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

21 services20 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

21 services16 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

17 services17 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

17 services17 patients

X-ray of chest, 1 view 71045

16 services16 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

16 services15 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

14 services14 patients

Ultrasound scan of abdominal aorta 76706

An ultrasound scan of the abdominal aorta is a non-invasive imaging test. It uses sound waves to create pictures of the main blood vessel in your abdomen, the aorta, to check its size and shape. This helps detect any abnormalities or issues early.

12 services12 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

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

Presence Saints Mary And Elizabeth Medical Center

Acute Care Hospitals · Chicago, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140180

Location2233 W Division StChicago, IL 60622 · Cook County

Emergency services Birthing friendly

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

Quality

89.78

Promoting Interoperability

98.23

Improvement Activities

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.

AUDREY SHAE WHITNAH

Pharmacist