Christopher Ratnasamy, MD

Primary specialty

Interventional Cardiology PhysicianTaxonomy code 207RI0011X

License

4301104221 Issued in MI

Practice address

25 Michigan St NE
Suite 4300
Grand Rapids, MI 49503

Phone

(616) 267-9150

NPI assigned

May 30, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Pediatric MedicineAlso: Cardiac Electrophysiology, Cardiovascular Disease (Cardiology)

Education

Other, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

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

Practice addresses (Care Compare)

Hospital & facility affiliations

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

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cratnasamy87185@epic00.corewelldirect.org
• Direct secure messaging: christopher.ratnasamy@epic00.shdirect.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.

• Spectrum Health Primary Care Partners

  • Internal Medicine Physician
  • Grand Rapids, MI
  • NPI 1235188673

  Pediatric Cardiology

  Medicare reassignment Care Compare group NPD
• Lakeland Medical Practices

  • Internal Medicine Physician
  • Saint Joseph, MI
  • NPI 1538397120
  Medicare reassignment NPD
• Spectrum Health Hospitals

  • Hospitalist Physician
  • Grand Rapids, MI
  • NPI 1558407189

  Pediatric Cardiology

  Medicare reassignment NPD
• Lakeland Medical Practices

  • Internal Medicine Physician
  • Bridgman, MI
  • NPI 1568232247
  NPD
• Spectrum Health Hospitals

  • General Acute Care Hospital
  • Grand Rapids, MI
  • NPI 1922090554
  NPD
• Spectrum Health Primary Care Partners

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

  • Family Medicine Physician
  • Hastings, MI
  • NPI 1518186295
  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": "1180483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1618358400000",
    "number": "1043411721",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "address_2": "MC 845",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "25 MICHIGAN ST NE",
            "address_2": "SUITE 4300",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "49503",
            "telephone_number": "616-267-9150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RATNASAMY",
        "first_name": "CHRISTOPHER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-30",
        "last_updated": "2021-04-14",
        "certification_date": "2021-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RA0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Adult Congenital Heart Disease",
            "state": "MI",
            "license": "4301104221",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "MI",
            "license": "4301104221",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "MI",
            "license": "4301104221",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Christopher.Ratnasamy@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "25 Michigan St NE",
            "address_2": "Suite 4300",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "49503",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicarr02.spectrumhealth.org/EpicFHIR/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "25 Michigan St NE",
            "address_2": "Suite 4300",
            "city": "Grand Rapids",
            "state": "MI",
            "country_code": "US",
            "postal_code": "49503",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lisa Jean Rathbun, L.M.S.W., A.C.S.W.
• Audrey Belle Rathjens
• Lisa Ratigan
• Rational Training Consultants
• Paige Nichole Ratkowski, PA-C
• Alexis Marie Rau
• Douglas Rau
• Kyle Charles Rau, DO
• Patricia K. Rau, MSN, CGRN, ANP
• Britney Rauch, PT, DPT, CBIS

• Interventional Cardiology Physician in Grand Rapids, MI
• Providers in Grand Rapids, MI by specialty
• Interventional Cardiology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 14, 2021; 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.