NAIOMI GUNARATNE MD
NPI 1659865558
Pediatrics in Chicago, IL

Active since June 15, 2018PECOS Enrolled
225 E CHICAGO AVE # 54, CHICAGO, IL 60611(773) 227-6090 Get Directions Write a Review

NPPES record last updated: August 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 24, 2026, Oct 6, 2024, Aug 7, 2024 and 1 more (4 updates tracked since 2018).

About Naiomi Gunaratne Md NPPES

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

NAIOMI GUNARATNE MD (NPI 1659865558) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036.155974) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659865558
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameNAIOMI GUNARATNECredential: MD
Location Address225 E CHICAGO AVE # 54Chicago, IL 60611-2991
Mailing Address225 E Chicago Ave # 54Chicago, IL 60611-2991 · (312) 227-6090
Sole ProprietorYes
Enumeration DateJune 15, 2018
Last NPPES UpdateAugust 24, 20264 updates tracked since enumeration
NPPES CertifiedAugust 24, 2026
✔ NPI 1659865558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036.155974
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedPediatrics · Pediatric EndocrinologyTaxonomy 2080P0205X · License 036.155974 (IL)
225 E CHICAGO AVE # 54, Chicago, IL 60611

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Naiomi Gunaratne 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

3

Medicare enrollment records show Naiomi Gunaratne reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 2,237 clinicians in this Medicare group

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 6

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

Pediatrics (Pediatric Endocrinology)
225 E CHICAGO AVE # 54
CHICAGO, IL 60611
Pediatrics (Pediatric Endocrinology)
225 E CHICAGO AVE # 54
CHICAGO, IL 60611
Pediatrics (Pediatric Endocrinology)
225 E CHICAGO AVE # 54
CHICAGO, IL 60611
Pediatrics
225 E CHICAGO AVE # 54
CHICAGO, IL 60611
Pediatrics (Pediatric Endocrinology)
225 E CHICAGO AVE # 54
CHICAGO, IL 60611
Pediatrics (Pediatric Endocrinology)
225 E CHICAGO AVE # 54
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 Naiomi Gunaratne's NPI number?

The NPI number for Naiomi Gunaratne is 1659865558. It was assigned to this individual provider in the NPPES registry on June 15, 2018.

Where is Naiomi Gunaratne located?

Naiomi Gunaratne practices at 225 E Chicago Ave # 54, Chicago, IL 60611. The listed phone number is (773) 227-6090.

What is Naiomi Gunaratne's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Naiomi Gunaratne enrolled in Medicare?

Yes. Naiomi Gunaratne is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Naiomi Gunaratne's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Naiomi Gunaratne reassigns Medicare benefits to 3 organizations: Lurie Children's Medical Group Inc (Chicago, IL), The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (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 Naiomi Gunaratne'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 Naiomi Gunaratne was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.