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NICOLE ELIZABETH LARSEN MD
NPI 1538726450
Pediatrics - Neonatal-Perinatal Medicine in Chicago, IL

Active since May 27, 2019PECOS Enrolled
1725 W HARRISON ST STE 710, CHICAGO, IL 60612(312) 942-3034 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 19, 2023, Jun 8, 2023, May 24, 2023 and 1 more (4 updates tracked since 2019).

About Nicole Elizabeth Larsen Md NPPES

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

NICOLE ELIZABETH LARSEN MD (NPI 1538726450) is an individual neonatal-perinatal medicine provider in Chicago, Illinois, licensed in Illinois (036159705) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS and maintains a secondary practice location in Ann Arbor.

NPPES Registry Identity

NPI1538726450
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameNICOLE ELIZABETH LARSENCredential: MD
Location Address1725 W HARRISON ST STE 710Chicago, IL 60612-3863
Mailing Address1725 W Harrison St Ste 710Chicago, IL 60612-3863 · (312) 942-3034
Phone(312) 942-3034
Sole ProprietorNo
Enumeration DateMay 27, 2019
Last NPPES UpdateJune 30, 20264 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1538726450 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in IL · 036159705
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 036159705 (IL)
1725 W HARRISON ST STE 710, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Location 1

Location 11540 E Medical Center DrAnn Arbor, MI 48109-0100 · Phone (734) 763-4109

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicole Elizabeth Larsen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Nicole Larsen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rush University Medical Group
0.2 mi
Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,169 clinicians in this Medicare group
NPI 1093819542 (312) 942-5000
Rush Medical Group
0.2 mi
Internal Medicine
1620 W HARRISON ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 548 clinicians in this Medicare group
NPI 1467312850 (312) 942-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 18

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

ALISON JORDAN CONN MS, CGC
Genetic Counselor, MS
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-1014
MARGARET WU
Pediatrics (Pediatric Endocrinology)
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
JONATHAN H ROSS MD
Urology
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
MS. ARIEL GRACE CONNERS PNP
Nurse Practitioner (Pediatrics)
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
APARNA BINDIGANAVLE DNP
Nurse Practitioner (Pediatrics)
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
DR. KATHERINE ALICE BEAN MD
Pediatrics
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 842-3034
DR. DAVID CONG NGUYEN M.D.
Pediatrics (Pediatric Infectious Diseases)
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
ALISON LUBELCHEK DNP, APRN, CPNP-PC
Pediatrics
1725 W HARRISON ST STE 710
CHICAGO, IL 60612
Cook County (312) 942-3034

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 Nicole Larsen's NPI number?

The NPI number for Nicole Larsen is 1538726450. It was assigned to this individual provider in the NPPES registry on May 27, 2019.

Where is Nicole Larsen located?

Nicole Larsen practices at 1725 W Harrison St Ste 710, Chicago, IL 60612. The listed phone number is (312) 942-3034.

What is Nicole Larsen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Nicole Larsen enrolled in Medicare?

Yes. Nicole Larsen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nicole Larsen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Larsen reassigns Medicare benefits to 2 organizations: Rush University Medical Group (Chicago, IL) and Rush Medical Group (Chicago, IL). 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 Nicole Larsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicole Larsen was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.