Active NPI
Marilyn Zahrt
- Pediatrics Physician
- Chicago, IL
National Provider Identifier
1639867922
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 036.180266
- Practice address
- 5841 S Maryland Ave
Chicago, IL 60637-1443 - Phone
- (773) 702-6808
- Fax
- (773) 702-9881
- NPI assigned
- Apr 25, 2023
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 036.180266 | IL | Primary |
Addresses
Primary practice location
5841 S Maryland Ave
Chicago, IL 60637-1443
Mailing address
180 Harvester Dr Ste 110
Burr Ridge, IL 60527-6686
Phone (773) 702-1150
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1682380800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783036800000",
"number": "1639867922",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "180 HARVESTER DR STE 110",
"city": "BURR RIDGE",
"state": "IL",
"postal_code": "605276686",
"telephone_number": "773-702-1150"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5841 S MARYLAND AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606371443",
"telephone_number": "773-702-6808",
"fax_number": "773-702-9881"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZAHRT",
"first_name": "MARILYN",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2023-04-25",
"last_updated": "2026-07-03",
"certification_date": "2026-07-03",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "193400000X SINGLE SPECIALTY GROUP",
"desc": "Pediatrics",
"state": "IL",
"license": "036.180266",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"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 Jul 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.