Individual provider Active NPI

Michael Seth Weinfeld, DO

  • Hematology & Oncology Physician
  • Chicago, IL
National Provider Identifier
1902435183
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
036.177864 Issued in IL
Practice address
1740 W Taylor St
Chicago, IL 60612-7232
Phone
(866) 600-2273
NPI assigned
Apr 8, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 036.177864 IL Primary

Addresses

Primary practice location

1740 W Taylor St
Chicago, IL 60612-7232

Mailing address

840 S Wood St
440 CSN, MC 718
Chicago, IL 60612
Phone (312) 996-7836

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
I20200819001658 IL Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 1759707870

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hematology/Oncology
Education
Des Moines University of Osteopathic Medicine and Health Sciences, 2020
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1950 W Polk St
Chicago, IL 60612-3723

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Interoperability endpoints

  • Direct secure messaging: mweinfeld69431@uihealth.direct-ci.com

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1586304000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1902435183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "840 S WOOD ST",
            "address_2": "440 CSN, MC 718",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "60612",
            "telephone_number": "312-996-7836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1740 W TAYLOR ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606127232",
            "telephone_number": "866-600-2273"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEINFELD",
        "first_name": "MICHAEL",
        "middle_name": "SETH",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-08",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "IL",
            "license": "036.177864",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.