Julianna Louise Massa, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601012949 Issued in MI

Practice address

4100 Lake Dr SE
Grand Rapids, MI 49546-8292

Phone

(616) 267-7414

NPI assigned

Dec 30, 2024

Last updated

Apr 14, 2025By the provider in NPPES

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

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, 2024

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Spectrum Health Primary Care PartnersGroup PAC ID 4587568647, 2,283 clinicians

Center for Physical Rehabilitation IncGroup PAC ID 6901717768, 352 clinicians

Center for Physical Rehabilitation and Therapy LPGroup PAC ID 0941513303, 365 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Spectrum Health Hospital, Grand Rapids, MI, CCN 230038

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jmassa1729669@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673
  Medicare reassignment Care Compare group NPD
• Center for Physical Rehabilitation and Therapy LP

  • Physical Therapy Clinic/Center
  • Grand Rapids, MI
  • NPI 1902288863
  Care Compare group
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West Adult Diabetes Education

  • Registered Dietitian
  • Grand Rapids, MI
  • NPI 1043655780
  NPD
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667
  NPD

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

• Pennock Hospital

  dba Corewell Health Pennock Hospital

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

  dba Corewell Health Grand Rapids Hospital

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554
  Care Compare affiliation

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

{
    "created_epoch": "1735516800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744588800000",
    "number": "1487463915",
    "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": "4100 LAKE DR SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495468292",
            "telephone_number": "616-267-7414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSA",
        "first_name": "JULIANNA",
        "middle_name": "LOUISE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-12-30",
        "last_updated": "2025-04-14",
        "certification_date": "2025-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601012949",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jmassa1729669@epic00.corewelldirect.org",
            "affiliation": "N",
            "address_1": "4100 Lake Dr SE",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495468292",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "4100 Lake Dr SE",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495468292",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Joyce Marie Mason
• Lindsay Ann Mason, CRNA
• Oren Mason, M.D.
• Richard Lin-Tze Mason, M.D.
• Melissa Jean Mass
• Lauren J Massa
• Andrew Massar, PA-C
• Sandra Masselink, LMSW
• Aaron Massie, MD
• Jessica Claire Massie, D.D.S., M.S.

• 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 Apr 14, 2025; 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.