Crystal A Wittrock, APNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

13139 Issued in WI

Practice address

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522

Phone

(414) 805-8710

Fax

(414) 805-1101

NPI assigned

Sep 7, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Crystal A Whiteaker Former name

Electronic endpoints 2

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

Specialty

Nurse Practitioner

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Medical College of Wisconsin IncGroup PAC ID 2668384371, 2,092 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Froedtert Memorial Lutheran Hospital Hospital, Milwaukee, WI, CCN 520177

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cwittrock834052@direct.froedtert.com
• Direct secure messaging: cwhiteaker171603@direct.myadvocateaurora.org

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.

• The Medical College of Wisconsin, Inc.

  • Internal Medicine Physician
  • Milwaukee, WI
  • NPI 1699720086
  Medicare reassignment Care Compare group NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Manitowoc, WI
  • NPI 1801941075
  NPD (past)

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

• Froedtert Memorial Lutheran Hospital, Inc.

  • General Acute Care Hospital
  • Milwaukee, WI
  • NPI 1255334173
  Care Compare affiliation

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

{
    "created_epoch": "1662508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1727740800000",
    "number": "1437870680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-805-8710",
            "fax_number": "414-805-1101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9200 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263522",
            "telephone_number": "414-805-8710",
            "fax_number": "414-805-1101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WITTROCK",
        "first_name": "CRYSTAL",
        "middle_name": "A",
        "credential": "APNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-09-07",
        "last_updated": "2024-10-01",
        "certification_date": "2024-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "13139",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1437870680",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cwhiteaker171603@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2901 W Kinnickinnic River Pkwy Ste 507",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532153660",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "2901 W Kinnickinnic River Pkwy Ste 507",
            "city": "Milwaukee",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532153660",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "CRYSTAL",
            "last_name": "WHITEAKER",
            "middle_name": "A",
            "credential": "NP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jacqueline Marie Wittkowske, MSW
• David Thomas Wittmann
• Jolene C Wittmann, APNP
• Tyler Alexander Wittmann, MD
• Wendy L. Wittmann, WHNP-BC
• Nicholas Wittry, M.D.
• Ann Elizabeth Wittwer, NP
• Scott F Wittwer, PT
• Timothy Jon Wittwer, RN, MSN, FNP
• Kellen Witty

• Nurse Practitioner in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Nurse Practitioner in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.