Individual provider Active NPI

Xiaopei Zeng, MD

  • Pediatric Hematology & Oncology Physician
  • Chicago, IL
National Provider Identifier
1285175414
Registry record updated Aug 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Hematology & Oncology PhysicianTaxonomy code 2080P0207X
License
036.152103 Issued in IL
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

Updated by the provider on Aug 7, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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 Other name

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
I20260615002302 IL Practitioner - Hematology/OncologyPractitioner - Pediatric Medicine 1153893722 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Pediatric Medicine
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

LicenseStateTypeSpecialty
036.152103ILMDPediatrics 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

Verify at the official NPI Registry.