Active NPI
Xiaopei Zeng, MD
- Pediatric Hematology & Oncology Physician
- Chicago, IL
National Provider Identifier
1285175414
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Hematology & Oncology Physician
- License
- 036.152103
- Practice address
- 225 E Chicago Ave # 30
Chicago, IL 60611-2991 - Phone
- (312) 227-4000
- NPI assigned
- Mar 20, 2017
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 036.152103 | IL | |
| Pediatric Hematology & Oncology Physician | 2080P0207X | 036.152103 | IL | Primary |
Addresses
Primary practice location
225 E Chicago Ave # 30
Chicago, IL 60611-2991
Mailing address
225 E Chicago Ave
Chicago, IL 60611-2991
Phone (312) 227-4000
Other names 1
- Lily Zeng
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
Care Compare profile
Medicare Care Compare- Specialty
- Hematology/Oncology
- Education
- New York University School of Medicine, 2017
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
225 E Chicago Ave
Chicago, IL 60611-2991
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.152103 | IL | MD | Pediatrics Physician |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1489968000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786060800000",
"number": "1285175414",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "225 E CHICAGO AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606112991",
"telephone_number": "312-227-4000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "225 E CHICAGO AVE # 30",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606112991",
"telephone_number": "312-227-4000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ZENG",
"first_name": "XIAOPEI",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-03-20",
"last_updated": "2026-08-07",
"certification_date": "2026-08-07",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "IL",
"license": "036.152103",
"primary": false
},
{
"code": "2080P0207X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Hematology-Oncology",
"state": "IL",
"license": "036.152103",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "LILY",
"last_name": "ZENG",
"credential": "MD",
"code": "5",
"type": "Other Name"
}
]
}
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 Aug 7, 2026; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.