Individual provider Active NPI

Lauren Tepfer Astrug, M.D.

  • Pediatrics Physician
  • Chicago, IL
National Provider Identifier
1780950386
Registry record updated Sep 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
036.137815 Issued in IL
Practice address
836 W Wellington Ave Ste 3604
Chicago, IL 60657
Phone
(773) 296-5435
NPI assigned
Mar 28, 2012
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 5, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X 036137815 IL
Hospitalist Physician 208M00000X 036137815 IL
Pediatrics Physician 208000000X 036.137815 IL Primary

Addresses

Primary practice location

836 W Wellington Ave Ste 3604
Chicago, IL 60657

Mailing address

836 W Wellington Ave Ste 3604
Chicago, IL 60657-5147
Phone (773) 296-5435

Other practice location 1

5841 S Maryland Ave # Mc6054
Chicago, IL 60637-1443
Phone (773) 702-6176

Other practice location 2

1555 Barrington Rd
1st FL
Hoffman Estates, IL 60169-6016
Phone (224) 299-4222

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address lastrug43406@direct.luhs.org LOYOLA UNIVERSITY MEDICAL CENTER
Direct Messaging Address lauren.astrug.1@380.direct.athenahealth.com

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
I20171120001705 IL Practitioner - Pediatric MedicinePractitioner - Hospitalist 4587966346 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036.137815ILMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Endeavor Health Medical Group Pediatrics Current Accepting new patients
Endeavor Health Medical Group CurrentSince Oct 4, 2017 Accepting new patients
Bonaventure Medical Foundation, LLC CurrentSince Jan 1, 2022 Accepting new patients

Locations

9532 Eagle Way
Chicago, IL 60678

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

1555 N Barrington Rd
Bldg 1
Hoffman Estates, IL 60169
Phone (224) 299-4222

1786 Moon Lake Blvd
Hoffman Estates, IL 60169
Phone (847) 640-5640

500 W Court St
Kankakee, IL 60901
Phone (800) 585-4119

2160 S 1st Ave
Maywood, IL 60153
Phone (708) 216-4400

190 W Irving Park Rd
Wood Dale, IL 60191
Phone (630) 766-0412

Interoperability endpoints

  • Direct secure messaging: lauren.astrug.1@380.direct.athenahealth.com

Organizations & group practices 3

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": "1332892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1780950386",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "836 W WELLINGTON AVE STE 3604",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606575147",
            "telephone_number": "773-296-5435"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "836 W WELLINGTON AVE STE 3604",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60657",
            "telephone_number": "773-296-5435"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5841 S Maryland Ave # Mc6054",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371443",
            "country_code": "US",
            "telephone_number": "773-702-6176",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1555 Barrington Rd",
            "address_2": "1st FL",
            "address_purpose": "LOCATION",
            "city": "Hoffman Estates",
            "state": "IL",
            "postal_code": "601696016",
            "country_code": "US",
            "telephone_number": "224-299-4222",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ASTRUG",
        "first_name": "LAUREN",
        "middle_name": "TEPFER",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-03-28",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "IL",
            "license": "036137815",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IL",
            "license": "036137815",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036.137815",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lastrug43406@direct.luhs.org",
            "affiliation": "Y",
            "affiliationName": "LOYOLA UNIVERSITY MEDICAL CENTER",
            "address_1": "2160 S 1st Ave",
            "city": "Maywood",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601533328",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "lauren.astrug.1@380.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "1555 Barrington Rd",
            "address_2": "1st FL",
            "city": "Hoffman Estates",
            "state": "IL",
            "country_code": "US",
            "postal_code": "601696016",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.