Maren Marie McCarthy, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601010220 Issued in MI

Practice address

100 Michigan St NE
Grand Rapids, MI 49503-2560

Phone

(616) 391-3139

NPI assigned

Nov 18, 2020

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

• Maren McMahon Former name

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in MI

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

Physician Assistant

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pennock HospitalGroup PAC ID 4587551015, 79 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Corewell Health Pennock Hospital Hospital, Hastings, MI, CCN 231339

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mmccarthy285366@epic00.shdirect.org
• Direct secure messaging: mmccarthy285366@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
  Medicare reassignment Care Compare group NPD
• Pennock Hospital

  • Internal Medicine Physician
  • Hastings, MI
  • NPI 1750500435
  NPD
• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673
  NPD (past)

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

• Pennock Hospital

  • Critical Access Hospital
  • Hastings, MI
  • NPI 1932695525
  Care Compare affiliation

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

{
    "created_epoch": "1605657600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1326641879",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE # MC845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560",
            "telephone_number": "616-391-3139"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCCARTHY",
        "first_name": "MAREN",
        "middle_name": "MARIE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-11-18",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601010220",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4294 Laurel Dr",
            "city": "Lake Odessa",
            "state": "MI",
            "country_code": "US",
            "postal_code": "488498430",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmccarthy285366@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "4294 Laurel Dr",
            "city": "Lake Odessa",
            "state": "MI",
            "country_code": "US",
            "postal_code": "488498430",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MAREN",
            "last_name": "MCMAHON",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Heather Lynne McCarthy
• Joseph McCarthy, LPC
• Justin Timothy McCarthy
• Kathleen Grace McCarthy, LMSW
• Kitty McCarthy, WHNP
• Matthew J McCarthy, MA
• Molly Melissa McCarthy, D.O
• Philip Michael McCarthy, DO
• Shannon Aileen McCarthy, PA-C
• Stephanie McCarthy

• Physician Assistant in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Physician Assistant in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 2026; 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.