Organization Active NPI

Internists LTD

  • Internal Medicine Physician
  • New Berlin, WI
National Provider Identifier
1952478299
Registry record updated Mar 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
38648 Issued in WI
Legal business name
INTERNISTS LTD
Practice address
12555 W National Ave
Ste 200
New Berlin, WI 53151
Phone
(262) 754-2555
Fax
(262) 754-2552
NPI assigned
Nov 30, 2006
Last updated
Mar 19, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 19, 2025

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

Authorized official

Name
Margaret Podlisecki, MA
Title
Office Manager
Phone
(262) 754-2555

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 38648 WI Primary

Addresses

Primary practice location

12555 W National Ave
Ste 200
New Berlin, WI 53151

Mailing address

PO Box 9126
Belfast, ME 04915-9126
Phone (800) 868-1792

Other identifiers 1

IdentifierTypeStateIssuer
32738300MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20061215000234 WI Part B Supplier - Clinic/Group Practice 8921007154 Receives reassigned benefits from 1 practitioner
Practice locations: New Berlin, WI

National Provider Directory

National Provider Directory

Locations

6378 N Green Bay Ave
Glendale, WI 53209
Phone (414) 228-8996

5757 W Oklahoma Ave
Milwaukee, WI 53219
Phone (414) 321-4343

12555 W National Ave
Ste 2
New Berlin, WI 53151
Phone (262) 754-2555

12555 W National Ave
Ste 200
New Berlin, WI 53151
Phone (262) 754-2555

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/2226/brand/1/csg/1/fhir/r4

Practitioners & affiliated clinicians

Practitioners 4

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1164844800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1742342400000",
    "number": "1952478299",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 9126",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049159126",
            "telephone_number": "800-868-1792",
            "fax_number": "262-754-2552"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12555 W NATIONAL AVE",
            "address_2": "STE 200",
            "city": "NEW BERLIN",
            "state": "WI",
            "postal_code": "53151",
            "telephone_number": "262-754-2555",
            "fax_number": "262-754-2552"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "INTERNISTS LTD",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-11-30",
        "last_updated": "2025-03-19",
        "certification_date": "2025-03-19",
        "status": "A",
        "authorized_official_last_name": "PODLISECKI",
        "authorized_official_first_name": "MARGARET",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "262-754-2555",
        "authorized_official_credential": "MA"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "38648",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "32738300",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Berlin, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.