Active NPI
Lauren Tepfer Astrug, M.D.
- Pediatrics Physician
- Chicago, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 036.137815
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.137815 | IL | MD | Pediatrics Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Endeavor Health Medical Group | Pediatrics | Current | Accepting new patients |
| Endeavor Health Medical Group | Current | Accepting new patients | |
| Bonaventure Medical Foundation, LLC | Current | 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
- 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.
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- Elk Grove Village, IL
- NPI 1588775647
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- Anesthesiology Physician
- Evanston, IL
- NPI 1265695944
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.