Individual provider Active NPI

Naiomi Gunaratne, MD

  • Pediatrics Physician
  • Chicago, IL
National Provider Identifier
1659865558
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
036.155974 Issued in IL
Practice address
225 E Chicago Ave # 54
Chicago, IL 60611-2991
Phone
(773) 227-6090
NPI assigned
Jun 15, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Endocrinology Physician 2080P0205X 036.155974 IL
Pediatrics Physician 208000000X 036.155974 IL Primary

Addresses

Primary practice location

225 E Chicago Ave # 54
Chicago, IL 60611-2991

Mailing address

225 E Chicago Ave # 54
Chicago, IL 60611-2991
Phone (312) 227-6090

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220518000217 IL Practitioner - Pediatric Medicine 6204173719 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.155974ILMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The University of Chicago Medical Center CurrentSince Feb 5, 2022 Accepting new patients
University of Chicago CurrentSince Feb 5, 2022 Accepting new patients
The University of Chicago Medical Center CurrentSince Feb 5, 2022 Accepting new patients
Lurie Children's Medical Group, LLC Pediatrics Past Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

180 Harvester Dr
Ste 110
Burr Ridge, IL 60527
Phone (773) 702-1061

225 E Chicago Ave
Chicago, IL 60611
Phone (312) 227-6415

225 E Chicago Ave
#54
Chicago, IL 60611
Phone (312) 227-6090

6501 S Promontory Dr
Chicago, IL 60649
Phone (773) 256-5724

350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500

120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700

Interoperability endpoints

  • Direct secure messaging: naiomi.gunaratne.1@11074.direct.athenahealth.com
  • Direct secure messaging: gnaiomi154399@uchospital.direct-ci.com

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1529020800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1659865558",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE # 54",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "312-227-6090"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 E CHICAGO AVE # 54",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606112991",
            "telephone_number": "773-227-6090"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUNARATNE",
        "first_name": "NAIOMI",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-06-15",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0205X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Endocrinology",
            "state": "IL",
            "license": "036.155974",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036.155974",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.