MAREN KIMI LEIBOWITZ MD
NPI 1861951907
Emergency Medicine in Chicago, IL

Active since March 18, 2019PECOS EnrolledAccepts Medicare Assignment
251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: June 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 3, 2025, May 21, 2019, Mar 18, 2019 (3 updates tracked since 2019).

About Maren Kimi Leibowitz Md NPPES

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

MAREN KIMI LEIBOWITZ MD (NPI 1861951907) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (125.073644) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of University Of Virginia School Of Medicine (2019).

NPPES Registry Identity

NPI1861951907
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMAREN KIMI LEIBOWITZCredential: MD
Location Address251 E HURON STChicago, IL 60611-3055
Mailing Address251 E Huron StChicago, IL 60611-3055
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2019
Enumeration DateMarch 18, 2019
Last NPPES UpdateJune 3, 20253 updates tracked since enumeration
NPPES CertifiedJune 3, 2025
NPI 1861951907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in IL · 125.073644 Licensed in IL · 036159100
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.
251 E HURON ST, 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

Maren Kimi Leibowitz 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 ID4587907043
PECOS Enrollment IDI20250610000903
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.

Hospital Affiliations CMS Care Compare

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

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.

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.

Pathology (Anatomic Pathology & Clinical Pathology)
251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611
Psychiatry & Neurology (Psychiatry)
251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST
CHICAGO, IL 60611
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Emergency Medicine
251 E HURON ST
CHICAGO, IL 60611
Dermatology
251 E HURON ST
CHICAGO, IL 60611
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Obstetrics & Gynecology
251 E HURON ST
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 Maren Leibowitz's NPI number?

The NPI number for Maren Leibowitz is 1861951907. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Maren Leibowitz located?

Maren Leibowitz practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.

What is Maren Leibowitz's specialty?

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

Is Maren Leibowitz enrolled in Medicare?

Yes. Maren Leibowitz 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 Maren Leibowitz affiliated with any hospitals?

According to CMS data, Maren Leibowitz is affiliated with Northwestern Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Maren Leibowitz was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.