Individual provider Active NPI

Karen L Zorek, MD

  • Pediatric Gastroenterology Physician
  • Milwaukee, WI
National Provider Identifier
1154438067
Registry record updated Mar 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Gastroenterology PhysicianTaxonomy code 2080P0206X
License
35868 Issued in WI
Practice address
9000 W Wisconsin Ave
Pediatric Gastroenterology
Milwaukee, WI 53226-4874
Phone
(414) 266-3690
Fax
(414) 266-3676
NPI assigned
Aug 24, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 7, 2023

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 35868 WI
Pediatric Gastroenterology Physician 2080P0206X 35868 WI Primary

Addresses

Primary practice location

9000 W Wisconsin Ave
Pediatric Gastroenterology
Milwaukee, WI 53226-4874

Mailing address

9000 W Wisconsin Ave
Pediatric Gastroenterology
Milwaukee, WI 53226-4874
Phone (414) 266-3690

Other identifiers 2

IdentifierTypeStateIssuer
32207100MedicaidWI
1154438067MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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
I20140918000174 WI Practitioner - GastroenterologyPractitioner - Pediatric Medicine 6507085842 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35868WIMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Children'S Specialty Group, Inc. Pediatrics CurrentSince Dec 10, 2025 Accepting new patients

Locations

9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625

Interoperability endpoints

  • Direct secure messaging: kzorek8201@direct.chw.org

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1156377600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1678147200000",
    "number": "1154438067",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "address_2": "PEDIATRIC GASTROENTEROLOGY",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-3690",
            "fax_number": "414-266-3676"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "address_2": "PEDIATRIC GASTROENTEROLOGY",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-3690",
            "fax_number": "414-266-3676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZOREK",
        "first_name": "KAREN",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-08-24",
        "last_updated": "2023-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "35868",
            "primary": false
        },
        {
            "code": "2080P0206X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Gastroenterology",
            "state": "WI",
            "license": "35868",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32207100",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1154438067",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.