Arianna Knasiak

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601012796 Issued in MI

Practice address

4831 Bullard Rd
Hartland, MI 48353-1316

Phone

(810) 923-7992

NPI assigned

Jan 16, 2024

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

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

Huron Gastroenterology Associates PCGroup PAC ID 0840288221, 95 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Joe Mercy Hospital System Livonia Hospital, Livonia, MI, CCN 230002
• Trinity Health Livingston Hospital Hospital, Howell, MI, CCN 230069
• Trinity Health Ann Arbor Hospital Hospital, Ann Arbor, MI, CCN 230156

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: aknasiak4174214@direct.trinity-health.org
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Huron Gastroenterology Associates PC

  • Gastroenterology Physician
  • Ypsilanti, MI
  • NPI 1144335639
  Medicare reassignment Care Compare group NPD
• Independent Emergency Physicians, P.C.

  • Emergency Medical Services (Emergency Medicine) Physician
  • Southfield, MI
  • NPI 1780791343
  Medicare reassignment
• Independent Observation Physicians PLLC

  • Emergency Medical Services (Emergency Medicine) Physician
  • Southfield, MI
  • NPI 1700119500
  Medicare reassignment
• St Mary Mercy Hospital Professional

  • General Acute Care Hospital
  • Livonia, MI
  • NPI 1528145554
  Medicare reassignment
• Huron Gastroenterology Associates PC

  • Gastroenterology Physician
  • Howell, MI
  • NPI 1265635593
  NPD
• St Mary Mercy Hospital

  • General Acute Care Hospital
  • Livonia, MI
  • NPI 1790706901
  NPD
• St Mary Mercy Hospital Crna

  • Certified Registered Nurse Anesthetist
  • Livonia, MI
  • NPI 1063602092
  NPD
• St Mary Mercy Hospital Professional

  • Gastroenterology Physician
  • Ypsilanti, MI
  • NPI 1447953971
  NPD

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

• Saint Joseph Mercy Livingston Hospital

  • General Acute Care Hospital
  • Brighton, MI
  • NPI 1093748642
  Care Compare affiliation
• St Joseph Mercy Hospital

  • General Acute Care Hospital
  • Ypsilanti, MI
  • NPI 1780658443
  Care Compare affiliation
• St Mary Mercy Hospital

  • General Acute Care Hospital
  • Livonia, MI
  • NPI 1790706901
  Care Compare affiliation

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

{
    "created_epoch": "1705363200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1699536839",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4831 BULLARD RD",
            "city": "HARTLAND",
            "state": "MI",
            "postal_code": "483531316",
            "telephone_number": "810-923-7992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4831 BULLARD RD",
            "city": "HARTLAND",
            "state": "MI",
            "postal_code": "483531316",
            "telephone_number": "810-923-7992"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNASIAK",
        "first_name": "ARIANNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-01-16",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601012796",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Linda Susan Kangas, RN, CDE
• Kenneth F McDaniel DDS PC
• Kidney Care Nutrition LLC
• Marriah Kimball
• Melissa Sharon Klimkowski, MA-CCC-SLP
• Gabriela Knasiak
• Jill Courtney Knuth, DPT
• Zoe Koebel
• Christine Helen Kopel, PA C
• Mark J Kopel, D.O.

• Physician Assistant in Hartland, MI
• Providers in Hartland, MI by specialty
• Physician Assistant in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 19, 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.