Gavin O'Brien

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

770 Kenmoor Ave SE Ste 100
Grand Rapids, MI 49546-8602

Phone

(616) 272-3533

Fax

(616) 259-4839

NPI assigned

Nov 1, 2023

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northview Medical House Calls PLCGroup PAC ID 9537345400, 36 clinicians

Northview Health Specialists, PLLCGroup PAC ID 9638422835, 24 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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.

• Northview Health Specialists, PLLC

  • Family Medicine Physician
  • Grand Rapids, MI
  • NPI 1629558978
  Medicare reassignment Care Compare group NPD
• Northview Medical House Calls PLC

  • Family Medicine Physician
  • Saginaw, MI
  • NPI 1336447002
  Medicare reassignment Care Compare group NPD
• Careline Palliative Care LLC

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Jackson, MI
  • NPI 1801367073
  Medicare reassignment
• Provider Partners Care Management LP

  • Nurse Practitioner
  • Columbia, MD
  • NPI 1013348028

  MI

  Medicare reassignment
• Careline Hmi300 LLC

  • Community Based Hospice Care Agency
  • Grand Rapids, MI
  • NPI 1770257818
  NPD
• Premier Heart Associates, Inc

  • Cardiovascular Disease Physician
  • Beavercreek, OH
  • NPI 1538188735
  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
• Spectrum Health Hospitals

  • 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": "1698796800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1003689183",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 ROSEHILL RD",
            "city": "JACKSON",
            "state": "MI",
            "postal_code": "492021762",
            "telephone_number": "517-212-2008",
            "fax_number": "517-212-9023"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "770 KENMOOR AVE SE STE 100",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495468602",
            "telephone_number": "616-272-3533",
            "fax_number": "616-259-4839"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "GAVIN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-11-01",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Louise O Donnell, CNP
• Catherine Lyn O'Bell, BCBA
• O'Brien and O'Brien DDS PC
• Daniel Robert O'Brien, D.D.S.
• Delaney Catherine O'Brien, AA
• Heather Nicole O'Brien, COTA
• Holly O'Brien, MSN, RNC, WHNP
• Jon O'Brien, DDS
• Kevin O'Brien
• Meaghan Louise O'Brien, PA-C

• 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 7, 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.