Individual provider Active NPI

Mario R Powell, MD

  • Neonatal-Perinatal Medicine Physician
  • Grafton, WI
National Provider Identifier
1609828391
Registry record updated Sep 17, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
46494 Issued in WI
Practice address
975 Port Washington Rd
Division of Neonatology
Grafton, WI 53024-9201
Phone
(262) 329-1000
NPI assigned
May 17, 2006
Last updated
Sep 17, 2019By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 17, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal-Perinatal Medicine Physician 2080N0001X 46494 WI Primary

Addresses

Primary practice location

975 Port Washington Rd
Division of Neonatology
Grafton, WI 53024-9201

Mailing address

975 Port Washington Rd
Division of Neonatology
Grafton, WI 53024-9201
Phone (262) 329-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
46494WIMDNeonatal-Perinatal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mario Powell MD SC Neonatal-Perinatal Medicine Current Accepting new patients
Newborn Care Physicians of Southeastern Wisconsin, LLP Neonatal-Perinatal Medicine PastSince May 11, 2025 Accepting new patients

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, 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": "1147824000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1568678400000",
    "number": "1609828391",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "975 PORT WASHINGTON RD",
            "address_2": "DIVISION OF NEONATOLOGY",
            "city": "GRAFTON",
            "state": "WI",
            "postal_code": "530249201",
            "telephone_number": "262-329-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "975 PORT WASHINGTON RD",
            "address_2": "DIVISION OF NEONATOLOGY",
            "city": "GRAFTON",
            "state": "WI",
            "postal_code": "530249201",
            "telephone_number": "262-329-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POWELL",
        "first_name": "MARIO",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-17",
        "last_updated": "2019-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "WI",
            "license": "46494",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grafton, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2019; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.