MARGAUX N METELLUS MD
NPI 1427589134
Family Medicine in Gurnee, IL

Q: What is Margaux Metellus's NPI number?

The NPI number for Margaux Metellus is 1427589134. It was assigned to this individual provider in the NPPES registry on March 23, 2017. The provider is also known as Margaux N Dechambre MD.

Q: What is Margaux Metellus's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Margaux Metellus was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 March 23, 2017PECOS EnrolledAccepts Medicare Assignment

6155 GRAND AVE STE 200, GURNEE, IL 60031(847) 535-7157(224) 271-3202 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 14, 2025, May 29, 2025, Dec 4, 2024 and 5 more (8 updates tracked since 2017).

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About Margaux N Metellus Md NPPES

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

MARGAUX N METELLUS MD (NPI 1427589134) is an individual family medicine provider in Gurnee, Illinois, licensed in Illinois (036.152987) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Mchenry, and is a graduate of Saint Louis University School Of Medicine (2017).

NPPES Registry Identity

NPI1427589134

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameMARGAUX N METELLUSCredential: MD

Location Address6155 GRAND AVE STE 200Gurnee, IL 60031-1651

Mailing Address6155 Grand Ave Ste 200Gurnee, IL 60031-1651 · (847) 535-7157

Phone(847) 535-7157

Fax(224) 271-3202

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 2017

Enumeration DateMarch 23, 2017

Last NPPES UpdateNovember 14, 20258 updates tracked since enumeration

NPPES CertifiedNovember 14, 2025

✔ NPI 1427589134 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in IL · 036.152987

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

6155 GRAND AVE STE 200, Gurnee, IL 60031

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Other Names 1

Former Name (1)Margaux N Dechambre Md

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

Margaux N Metellus 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 ID7214208982

PECOS Enrollment IDI20200917001075

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 Margaux Metellus reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northwestern Medical Faculty Foundation

28 mi

Multi-Specialty

DEPT 5777
Carol Stream, IL 60122

Reassigned Medicare billing, Illinois enrollment
4,817 clinicians in this Medicare group

NPI 1346235314 (855) 694-2866

Oak Street Health Physicians Group, PC

50 mi

Primary Care

1715 E 95TH ST
Chicago, IL 60617

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

NPI 1083051643 (773) 768-4437

Osh-Il Physicians Group LLC

284 mi

Primary Care

2420 STATE ST
East Saint Louis, IL 62205

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

NPI 1265977698 (618) 318-8809

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 6

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 straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

90 services68 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

25 services25 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

21 services21 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

13 services13 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

11 services11 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Northwestern Medicine Mchenry

Acute Care Hospitals · Mchenry, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140116

Location4201 Medical Center DriveMchenry, IL 60050 · Mc Henry County

Emergency services Birthing friendly

Northwestern Lake Forest Hospital

Acute Care Hospitals · Lake Forest, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140130

Location1000 N Westmoreland RoadLake Forest, IL 60045 · Lake County

Emergency services Birthing friendly

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60031 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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 7

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

AMY O'BRIAN THOMAS M.D.

Allergy & Immunology