Dionysios Nicholas Marinakis, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601009542 Issued in MI

Practice address

1900 Wealthy St SE Ste 300
Grand Rapids, MI 49506-2969

Phone

(616) 774-8345

NPI assigned

Oct 22, 2007

Last updated

Oct 20, 2025By the provider in NPPES

Sex

Male

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 OH, MI2 enrollments

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 2

Specialty

Physician Assistant

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Toledo Pain Services, PLLGroup PAC ID 8921912189, 19 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Spectrum Health Hospital, Grand Rapids, MI, CCN 230038
• Promedica Monroe Regional Hospital Hospital, Monroe, MI, CCN 230099
• Promedica Toledo Hospital Hospital, Toledo, OH, CCN 360068
• Spectrum Health United Hospital Hospital, Greenville, MI, CCN 230035
• Corewell Health Zeeland Hospital Hospital, Zeeland, MI, CCN 230003

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nmarinakis3393800@epic00.corewelldirect.org
• Direct secure messaging: toledopainservices.dionysiosnmarinakis@133244.advancedmd-direct.com

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
• Toledo Pain Services, PLL

  dba Comprehensive Centers for Pain Management

  • Interventional Pain Medicine Physician
  • Toledo, OH
  • NPI 1356339857

  MI

  Medicare reassignment Care Compare group
• Mercy Memorial Hospital Corporatio

  dba Promedica Monroe Regional Hospital

  • General Acute Care Hospital
  • Monroe, MI
  • NPI 1811097223
  Medicare reassignment NPD
• Mercy Memorial Hospital Corporation

  dba Monroe Cancer Center

  • Specialist
  • Monroe, MI
  • NPI 1376997551
  NPD
• Spectrum Health Primary Care Partners

  dba Corewell Health Medical Group West

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1689499667
  NPD
• Toledo Pain Services, PLL

  • Certified Registered Nurse Anesthetist
  • Oregon, OH
  • NPI 1427703024
  NPD

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

• Mercy Memorial Hospital Corporatio

  dba Promedica Monroe Regional Hospital

  • General Acute Care Hospital
  • Monroe, MI
  • NPI 1811097223
  Care Compare affiliation
• Mercy Memorial Hospital Corporation

  dba Monroe Cancer Center

  • Specialist
  • Monroe, MI
  • NPI 1376997551

  Hospital

  Care Compare affiliation
• 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
• Spectrum Health United

  dba Corewell Health Greenville Hospital

  • General Acute Care Hospital
  • Greenville, MI
  • NPI 1457304495
  Care Compare affiliation
• Zeeland Community Hospital

  dba Corewell Health Zeeland Hospital

  • General Acute Care Hospital
  • Zeeland, MI
  • NPI 1275536344
  Care Compare affiliation
• The Toledo Hospital

  • General Acute Care Hospital
  • Toledo, OH
  • NPI 1407854771
  Care Compare affiliation
• Toledo Hospital

  dba ProMedica Transportation Network

  • Ambulance
  • Toledo, OH
  • NPI 1427147339

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1193011200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760918400000",
    "number": "1174712624",
    "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": "1900 WEALTHY ST SE STE 300",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495062969",
            "telephone_number": "616-774-8345"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARINAKIS",
        "first_name": "DIONYSIOS",
        "middle_name": "NICHOLAS",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-10-22",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601009542",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/R4/",
            "affiliation": "N",
            "address_1": "1900 Wealthy St SE Ste 300",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495062969",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "nmarinakis3393800@epic00.corewelldirect.org",
            "affiliation": "N",
            "address_1": "1900 Wealthy St SE Ste 300",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "495062969",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mariah Root, PLLC
• Tatjana Maric, MD
• Emily Jean Marietta, LMSW
• Ryan Marin, MD
• Teri A Marin, LMSW
• Hilary K Marine, CPNP
• Alexandra Maring
• Ann Maring, LLMSW
• Julie L Maring, P.A.
• Shelley Jean Marinus, LMSW

• 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 Oct 20, 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.