MRS. MARGUERITE MARY O'DONNELL FNP
NPI 1144501081
Nurse Practitioner in Chicago, IL

Q: What is Marguerite O'donnell's NPI number?

The NPI number for Marguerite O'donnell is 1144501081. It was assigned to this individual provider in the NPPES registry on September 6, 2011. The provider is also known as Miss Marguerite Mary Barnum.

Q: What is Marguerite O'donnell's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since September 06, 2011PECOS EnrolledAccepts Medicare Assignment

9831 S WESTERN AVE, CHICAGO, IL 60643(773) 445-3500(773) 445-0575 Get Directions Write a Review

NPPES record last updated: April 23, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 7, 2023, Sep 20, 2022 (2 updates tracked since 2022).

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About Mrs. Marguerite Mary O'donnell Fnp NPPES

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

MRS. MARGUERITE MARY O'DONNELL FNP (NPI 1144501081) is an individual nurse practitioner in Chicago, Illinois, licensed in Illinois (209.010649) and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Olympia Fields, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1144501081

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. MARGUERITE MARY O'DONNELLCredential: FNP

Location Address9831 S WESTERN AVEChicago, IL 60643-1740

Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900

Phone(773) 445-3500

Fax(773) 445-0575

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateSeptember 6, 2011

Last NPPES UpdateApril 23, 20252 updates tracked since enumeration

NPPES CertifiedApril 23, 2025

✔ NPI 1144501081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209.010649

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209.010649 (IL)

9831 S WESTERN AVE, Chicago, IL 60643

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Other Names 1

Former Name (1)Miss Marguerite Mary Barnum

Secondary Practice Location 1

Location 120201 Crawford Ave, 1403Olympia Fields, IL 60461-1010 · Phone (708) 679-2130 · Fax (708) 679-2260

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.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

Mrs. Marguerite Mary O'donnell Fnp 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 ID1658507983

PECOS Enrollment IDI20131115000309

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 Reassignment

Medicare enrollment records show Marguerite O'donnell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health & Hospitals Corporation

2.7 mi

Medical Specialty

4440 W 95TH ST
Oak Lawn, IL 60453

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Advocate Health And Hospitals Corporation
4,870 clinicians in this Medicare group

NPI 1912936014 (847) 390-5900

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 5

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

93 services81 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

18 services16 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

16 services15 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60643 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

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. HELEN N. TCHENG M.D.

Pediatrics