Ratnakar Rajanahally, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

01053109A Issued in IN

Practice address

701 Superior Ave Ste 4100
Munster, IN 46321-4037

Phone

(219) 934-4080

Fax

(219) 934-4075

NPI assigned

Dec 6, 2005

Last updated

Dec 15, 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 3

Addresses

Other identifiers 3

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Interventional Cardiology

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Franciscan Physician NetworkGroup PAC ID 3072790682, 1,152 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Franciscan Health Dyer Hospital, Dyer, IN, CCN 150090
• Franciscan Health Munster Hospital, Munster, IN, CCN 150165
• Community Hospital Hospital, Munster, IN, CCN 150125
• Franciscan Health Crown Point Hospital, Crown Point, IN, CCN 150126
• Franciscan Health Olympia & Chicago Heights Hospital, Olympia Fields, IL, CCN 140172

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rrajanahally64322@direct.franciscanalliance.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.

• Franciscan Physician Network

  • Family Medicine Physician
  • Indianapolis, IN
  • NPI 1225327984
  Medicare reassignment Care Compare group NPD
• Franciscan Physician Network

  • Clinic/Center
  • Lafayette, IN
  • NPI 1992543250
  NPD

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

• Franciscan Health Crown Point

  • General Acute Care Hospital
  • Crown Point, IN
  • NPI 1336205798
  Care Compare affiliation
• Franciscan Health Dyer & Hammond

  dba Franciscan Health Dyer

  • General Acute Care Hospital
  • Dyer, IN
  • NPI 1811077431
  Care Compare affiliation
• Franciscan Health Munster

  • General Acute Care Hospital
  • Munster, IN
  • NPI 1427493246
  Care Compare affiliation
• Munster Medical Research Foundation Inc

  dba Community Hospital

  • General Acute Care Hospital
  • Munster, IN
  • NPI 1003918210
  Care Compare affiliation
• Franciscan Health Olympia Fields

  • General Acute Care Hospital
  • Olympia Fields, IL
  • NPI 1588771919
  Care Compare affiliation

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

{
    "created_epoch": "1133827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1144204769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 781076",
            "city": "DETROIT",
            "state": "MI",
            "postal_code": "482781076",
            "telephone_number": "317-528-4800",
            "fax_number": "317-865-1479"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "701 SUPERIOR AVE STE 4100",
            "city": "MUNSTER",
            "state": "IN",
            "postal_code": "463214037",
            "telephone_number": "219-934-4080",
            "fax_number": "219-934-4075"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "24 Joliet St",
            "address_2": "Suite 401",
            "address_purpose": "LOCATION",
            "city": "Dyer",
            "state": "IN",
            "postal_code": "463111705",
            "country_code": "US",
            "telephone_number": "219-865-0893",
            "fax_number": "219-865-3599",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAJANAHALLY",
        "first_name": "RATNAKAR",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-06",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "IN",
            "license": "01053109A",
            "primary": true
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "IL",
            "license": "036-098182",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "IN",
            "license": "01053109A",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PIN",
            "identifier": "000000188508",
            "state": "IN"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "060062254",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200317580A",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rrajanahally64322@Direct.FranciscanAlliance.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "24 Joliet St",
            "address_2": "Suite 401",
            "city": "Dyer",
            "state": "IN",
            "country_code": "US",
            "postal_code": "463111705",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rrajanahally64322@Direct.FranciscanAlliance.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2150 Gettler St Ste 400",
            "city": "Dyer",
            "state": "IN",
            "country_code": "US",
            "postal_code": "463112385",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Radiation Medicine Associates
• Vesna Radjenovich
• David M Radovich, D.D.S.
• Krishnakant Raiker, MD
• Smita K Raiker, MD
• Anil Ramesh, M.D.
• Elvia Ramirez
• Estevan Miguel Ramirez
• Kirti Ramnivas, MD
• Nisha Kadri Rao, M.D

• Cardiovascular Disease Physician in Munster, IN
• Providers in Munster, IN by specialty
• Cardiovascular Disease Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 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.