Mary J Waskerwitz Freyer, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

4704104741 Issued in MI

Practice address

35 Michigan St NE FL 2
Grand Rapids, MI 49503-2514

Phone

(616) 267-1925

Fax

(616) 267-1005

NPI assigned

Nov 10, 2008

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 names 1

• Mary Josephine Waskerwitz-Freyer Other name

Electronic endpoints 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: mwaskerwitzfreyer117618@epic00.corewelldirect.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.

• Pennock Hospital

  • Family Medicine Physician
  • Hastings, MI
  • NPI 1518186295

  Nurse Practitioner

  NPD (past)

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

{
    "created_epoch": "1226275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746662400000",
    "number": "1740434398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "address_2": "MC 845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-486-6790"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "35 MICHIGAN ST NE FL 2",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032514",
            "telephone_number": "616-267-1925",
            "fax_number": "616-267-1005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WASKERWITZ FREYER",
        "first_name": "MARY",
        "middle_name": "J",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-11-10",
        "last_updated": "2025-05-08",
        "certification_date": "2025-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MI",
            "license": "4704104741",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwaskerwitzfreyer117618@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "address_2": "10th Floor, MC 085",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "100 Michigan St NE",
            "address_2": "10th Floor, MC 085",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495032560",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARY",
            "last_name": "WASKERWITZ-FREYER",
            "middle_name": "JOSEPHINE",
            "credential": "NP",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Lauren Washburn
• Melissa Washburn
• Sherry Washburn, MSN, RN, NP-C
• Akeeva N Washington
• Shakeya Washington
• Steven F Waslawski, MD
• Jessica Wassef, DO
• Casey Wassenaar
• Caitlin Bell Wasserberger, BCBA
• Kristina Voula Wasserman, LLMSW

• Nurse Practitioner in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Nurse Practitioner in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 2025; 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.