DR. ERIN MARIE LAREAU M.D.
NPI 1871779728
Emergency Medicine in Chicago, IL

Active since January 10, 2008PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
211 E ONTARIO ST STE 200, CHICAGO, IL 60611(312) 694-7000(312) 926-6274 Get Directions Write a Review

NPPES record last updated: November 12, 2019. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Erin Marie Lareau M.d. NPPES

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

DR. ERIN MARIE LAREAU M.D. (NPI 1871779728) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036118769) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS, is affiliated with Northwestern Lake Forest Hospital, and is a graduate of Northwestern University Feinberg Medical School (2004).

NPPES Registry Identity

NPI1871779728
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDR. ERIN MARIE LAREAUCredential: M.D.
Location Address211 E ONTARIO ST STE 200Chicago, IL 60611-3284
Mailing Address211 E Ontario St Ste 200Chicago, IL 60611-3284 · (312) 694-7000 · Fax (312) 926-6274
Fax(312) 926-6274
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 2004
Enumeration DateJanuary 10, 2008
Last NPPES UpdateNovember 12, 2019
NPI 1871779728 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in IL · 036118769
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
211 E ONTARIO ST STE 200, Chicago, IL 60611

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. Erin Marie Lareau M.d. 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 ID7618045246
PECOS Enrollment IDI20081008000670
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 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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
195 services191 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
81 services80 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
38 services38 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
15 services12 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

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 60611 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.

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.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.59
Promoting Interoperability100
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.

Emergency Medicine
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Emergency Medicine
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Physician Assistant
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Emergency Medicine
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Emergency Medicine
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Emergency Medicine
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Physician Assistant
211 E ONTARIO ST STE 200
CHICAGO, IL 60611
Physician Assistant
211 E ONTARIO ST STE 200
CHICAGO, IL 60611

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 Lareau's NPI number?

The NPI number for Erin Lareau is 1871779728. It was assigned to this individual provider in the NPPES registry on January 10, 2008.

Where is Erin Lareau located?

Erin Lareau practices at 211 E Ontario St Ste 200, Chicago, IL 60611. The listed phone number is (312) 694-7000.

What is Erin Lareau's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Erin Lareau enrolled in Medicare?

Yes. Erin Lareau 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.

Is Erin Lareau affiliated with any hospitals?

According to CMS data, Erin Lareau is affiliated with Northwestern Lake Forest Hospital and Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Erin Lareau was last updated on November 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.