ERIN O'CONNOR MD
NPI 1487632584
Radiology - Diagnostic Radiology in Maywood, IL

Active since January 09, 2006PECOS EnrolledAccepts Medicare Assignment
2160 S 1ST AVE, MAYWOOD, IL 60153(708) 216-9000 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Erin O'connor Md NPPES

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

ERIN O'CONNOR MD (NPI 1487632584) is an individual diagnostic radiology provider in Maywood, Illinois, licensed in Illinois (036105242) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1487632584
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameERIN O'CONNORCredential: MD
Location Address2160 S 1ST AVEMaywood, IL 60153-3328
Mailing Address2160 S 1st AveMaywood, IL 60153-3328 · (708) 216-9000
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJanuary 9, 2006
Last NPPES UpdateApril 29, 2025
NPPES CertifiedApril 29, 2025
✔ NPI 1487632584 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in IL · 036105242✔ Licensed in MD · D0082654
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License D0082654 (MD)
2160 S 1ST AVE, Maywood, IL 60153

Other Identifiers 2

Medicaid409740801MD
Medicaid073740122DC

Accepted 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

Erin O'connor Md 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 ID6608880893
PECOS Enrollment IDI20250501001827
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

4

Medicare enrollment records show Erin O'connor reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
2160 S 1ST AVE
Maywood, IL 60153
  • Reassigned Medicare billing, Illinois enrollment
  • 1,138 clinicians in this Medicare group
Diagnostic Radiology
7150 CONTEE RD STE 2D100
Laurel, MD 20707
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • Also billed through NPI 1073329538 (Maryland)
  • 140 clinicians in this Medicare group
Diagnostic Radiology
670 W BALTIMORE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 122 clinicians in this Medicare group
Diagnostic Radiology
5 N LA PLATA CT STE 104
La Plata, MD 20646
  • Reassigned Medicare billing, Maryland enrollment
  • 123 clinicians in this Medicare group

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 27

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.

Injection, gadobutrol, 0.1 ml A9585
Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.
2,803 services45 patients
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
2,214 services24 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.
385 services353 patients
Mri scan of lower spinal canal without contrast 72148
An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.
123 services123 patients
Ct scan of blood vessels of head with contrast 70496
A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.
115 services114 patients
Ct scan of blood vessels of neck with contrast 70498
A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.
110 services109 patients

Hospital Affiliations CMS Care Compare 4

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

Loyola Gottlieb Memorial Hospital

Acute Care Hospitals · Melrose Park, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140008
Location701 West North AveMelrose Park, IL 60160 · Cook County
Emergency services

Macneal Hospital

Acute Care Hospitals · Berwyn, IL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number140054
Location3249 South Oak Park AvenueBerwyn, IL 60402 · Cook County
Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140101
Location150 W High StMorris, IL 60450 · Grundy County
Emergency services Birthing friendly

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140276
Location2160 S 1st AvenueMaywood, IL 60153 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60153 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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%419 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%44 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Radiology (Diagnostic Radiology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Podiatrist (Foot & Ankle Surgery)
2160 S 1ST AVE
MAYWOOD, IL 60153
Psychiatry & Neurology (Neurology)
2160 S 1ST AVE
MAYWOOD, IL 60153
Oral & Maxillofacial Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Psychiatry & Neurology (Psychiatry)
2160 S 1ST AVE
MAYWOOD, IL 60153
Student in an Organized Health Care Education/Training Program
2160 S 1ST AVE
MAYWOOD, IL 60153
Orthopaedic Surgery
2160 S 1ST AVE
MAYWOOD, IL 60153
Internal Medicine
2160 S 1ST AVE
MAYWOOD, IL 60153

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 Erin O'connor's NPI number?

The NPI number for Erin O'connor is 1487632584. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is Erin O'connor located?

Erin O'connor practices at 2160 S 1st Ave, Maywood, IL 60153. The listed phone number is (708) 216-9000.

What is Erin O'connor's specialty?

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

Is Erin O'connor enrolled in Medicare?

Yes. Erin O'connor 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.

Which organizations bill Medicare for Erin O'connor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin O'connor reassigns Medicare benefits to 4 organizations: Loyola University Medical Center (Maywood, IL), University Of Maryland Diagnostic Imaging Specialists P A (Laurel, MD), University Imaging Center, LLC (Baltimore, MD) and University Of Maryland Diagnostic Radiology, LLC (La Plata, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Erin O'connor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erin O'connor accept?

Health plans from Oscar Health list Erin O'connor 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 Erin O'connor affiliated with any hospitals?

According to CMS data, Erin O'connor is affiliated with Loyola Gottlieb Memorial Hospital, Macneal Hospital, Morris Hospital & Healthcare Centers and Loyola University Medical Center.

When was this NPI record last updated?

The NPPES record for Erin O'connor was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.