Individual provider Active NPI

Jennifer Massaro, APRN

  • Nurse Practitioner
  • Milwaukee, WI
National Provider Identifier
1962038463
Registry record updated Dec 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
9891-33 Issued in WI
Practice address
2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone
(414) 649-6380
NPI assigned
Mar 16, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 29, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 9891-33 WI
Nurse Practitioner 363L00000X 9891-33 WI Primary

Addresses

Primary practice location

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 805-0812

Other identifiers 1

IdentifierTypeStateIssuer
1962038463MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address jmassaro441540@direct.myadvocateaurora.org Direct

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200929002931 WI Practitioner - Nurse Practitioner 0648699314 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Advanced Healthcare, Inc.Group PAC ID 3375625833, 1,107 clinicians
The Medical College of Wisconsin IncGroup PAC ID 2668384371, 2,092 clinicians

Practice addresses (Care Compare)

2900 W Oklahoma Ave
Milwaukee, WI 53215-4330
Phone (414) 649-6000

8701 W Watertown Plank
Milwaukee, WI 53226-3548
Phone (414) 805-3666

8701 Watertown Plank Rd
Room 4041 MFRC
Milwaukee, WI 53226-3548
Phone (414) 805-3666

Hospital & facility affiliations

  • Froedtert Memorial Lutheran Hospital Hospital, Milwaukee, WI, CCN 520177
  • Aurora St Lukes Medical Center Hospital, Milwaukee, WI, CCN 520138

Merit-based Incentive Payment System (MIPS)

Final score
87.99 of 100Reported as group
Quality
82.81
Promoting interoperability
100
Improvement activities
40
Cost
77.15

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
9891-33WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
The Medical College of Wisconsin, Inc. CurrentSince Aug 1, 2020 Accepting new patients
Aurora Advanced Healthcare Inc CurrentSince Dec 1, 2025 Accepting new patients
Aurora Advanced Healthcare, Inc. CurrentSince Dec 1, 2025 Accepting new patients
Aurora Health Care Metro, Inc. CurrentSince Dec 1, 2025 Accepting new patients

Locations

3003 W Good Hope Rd
Glendale, WI 53209
Phone (414) 352-3100

12203 N Corporate Pkwy
Mequon, WI 53092
Phone (262) 387-8200

2900 W Oklahoma Ave
Milwaukee, WI 53215
Phone (414) 385-2590

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

Interoperability endpoints

  • Direct secure messaging: jmassaro441540@direct.myadvocateaurora.org
  • Direct secure messaging: jmassaro596710@direct.froedtert.com

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 and National Provider Directory roles.

Hospital & facility affiliations 3

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": "1584316800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766966400000",
    "number": "1962038463",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250",
            "fax_number": "414-805-0855"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 W OKLAHOMA AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532154330",
            "telephone_number": "414-649-6380"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-0812",
            "fax_number": "414-805-0855",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSARO",
        "first_name": "JENNIFER",
        "credential": "APRN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-16",
        "last_updated": "2025-12-29",
        "certification_date": "2025-12-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WI",
            "license": "9891-33",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "9891-33",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1962038463",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2900 W Oklahoma Ave",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532154330",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmassaro441540@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2900 W Oklahoma Ave",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532154330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.