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DARLENE LEUNG NURSE PRACTITIONER
NPI 1801555818
Nurse Practitioner - Pediatrics in Chicago, IL

Active since December 17, 2021PECOS Enrolled
225 E CHICAGO AVE # 51, CHICAGO, IL 60611(312) 227-3550(312) 227-9642 Get Directions Write a Review

NPPES record last updated: November 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 19, 2024, Dec 17, 2021 (2 updates tracked since 2021).

About Darlene Leung Nurse Practitioner NPPES

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

DARLENE LEUNG NURSE PRACTITIONER (NPI 1801555818) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (209024906) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801555818
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameDARLENE LEUNGCredential: NURSE PRACTITIONER
Location Address225 E CHICAGO AVE # 51Chicago, IL 60611-2991
Mailing Address225 East Chicago Avenue, Box 51Chicago, IL 60611 · (773) 519-2897
Phone(312) 227-3550
Fax(312) 227-9642
Sole ProprietorYes
Enumeration DateDecember 17, 2021
Last NPPES UpdateNovember 19, 20242 updates tracked since enumeration
NPPES CertifiedNovember 19, 2024
✔ NPI 1801555818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in IL · 209024906
225 E CHICAGO AVE # 51, Chicago, IL 60611
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Darlene Leung Nurse Practitioner 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 Reassignment

Medicare enrollment records show Darlene Leung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lurie Children's Medical Group Inc
Same address
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

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

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 9

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

ANDREA CATALINA PARDO M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3550
DR. RACHEL PAULEY MD
Psychiatry & Neurology (Epilepsy)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3540
NANCY LYNN KUNTZ M.D.
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3550
MUTHIAH RAMU ANNAMALAI DO
Pediatrics
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-4455
CATHERINE HANNEKEN
Nurse Practitioner (Pediatrics)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3550
DR. SUJA ANN JOSEPH MD
Psychiatry & Neurology (Neurology)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3550
DAVID G RITACCO MD PHD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3550
LAURA ENGEL VERNON MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
225 E CHICAGO AVE # 51
CHICAGO, IL 60611
Cook County (312) 227-3550

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 Darlene Leung's NPI number?

The NPI number for Darlene Leung is 1801555818. It was assigned to this individual provider in the NPPES registry on December 17, 2021.

Where is Darlene Leung located?

Darlene Leung practices at 225 E Chicago Ave # 51, Chicago, IL 60611. The listed phone number is (312) 227-3550.

What is Darlene Leung's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Darlene Leung enrolled in Medicare?

Yes. Darlene Leung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Darlene Leung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Darlene Leung reassigns Medicare benefits to Lurie Children's Medical Group Inc (Chicago, IL). The 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 Darlene Leung'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 Darlene Leung was last updated on November 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.