Individual provider Active NPI

Hadassa Holzapfel, MD

  • Internal Medicine Physician
  • Chicago, IL
National Provider Identifier
1124605597
Registry record updated Apr 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
036170683 Issued in IL
Practice address
1740 W Taylor St
Chicago, IL 60612-7232
Phone
(866) 600-2273
NPI assigned
Mar 24, 2021
Last updated
Apr 30, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 30, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 036170683 IL Primary
Pediatrics Physician 208000000X 036.170683 IL

Addresses

Primary practice location

1740 W Taylor St
Chicago, IL 60612-7232

Mailing address

1740 W Taylor St
Chicago, IL 60612-7232
Phone (866) 600-2273

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20250507002435 IL Practitioner - Pediatric Medicine 4183026263 Reassigns benefits to 1 organization
I20250514001159 IL Practitioner - Internal Medicine 4183026263 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

1740 W Taylor St
Chicago, IL 60612-7232

840 S Wood St
Chicago, IL 60612-4325

840 S Wood St 130 CSN
Uic Pathology
Chicago, IL 60612-4325
Phone (312) 996-7313

840 S Wood St MC
Chicago, IL 60612-4325

845 W Wilson Ave
Uic Medicine
Chicago, IL 60640-8090
Phone (312) 744-1295

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036170683ILMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Board of Trustees of the University of Illinois CurrentSince Jun 13, 2025 Accepting new patients
The Board of Trustees of the University of Illinois Pediatrics CurrentSince Jun 13, 2025 Accepting new patients
The Board of Trustees of the University of Illinois Current Accepting new patients
The Board of Trustees of the University of Illinois CurrentSince Jul 16, 2025 Accepting new patients

Locations

1740 W Taylor St
Chicago, IL 60612
Phone (312) 355-4000

1740 W Taylor St
#931
Chicago, IL 60612
Phone (312) 355-5258

1740 W Taylor St
Ste 1400
Chicago, IL 60612
Phone (312) 413-3805

7732 Solution Ctr
Chicago, IL 60677
Phone (312) 355-4210

840 S Wood St
#856
Chicago, IL 60612
Phone (312) 413-1429

845 W Wilson Ave
Chicago, IL 60640
Phone (312) 744-1295

Interoperability endpoints

  • Direct secure messaging: hholzapfel115387@uihealth.direct-ci.com
  • Direct secure messaging: hholzapfel330291@direct.myadvocateaurora.org

Organizations & group practices 4

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745971200000",
    "number": "1124605597",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1740 W TAYLOR ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606127232",
            "telephone_number": "866-600-2273"
        },
        {
            "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": "HOLZAPFEL",
        "first_name": "HADASSA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-03-24",
        "last_updated": "2025-04-30",
        "certification_date": "2025-04-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036170683",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "IL",
            "license": "036.170683",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

Verify at the official NPI Registry.