Unni K Marar, MD

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

35.064694 Issued in OH

Practice address

543 Taylor Ave FL 3
Columbus, OH 43203-1278

Phone

(614) 293-7677

Fax

(614) 293-5614

NPI assigned

Dec 11, 2006

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 1

Medicare fee-for-service enrollment

Enrolled in OH

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

Cardiovascular Disease (Cardiology)

Education

Other, 1977

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Osu Internal Medicine LLCGroup PAC ID 5496651408, 1,141 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ohio State University State Health System Hospital, Columbus, OH, CCN 360085
• James Cancer Hospital & Solove Research Institute Hospital, Columbus, OH, CCN 360242

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: umarar690@direct.osumc.edu

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.

• Osu Internal Medicine, LLC

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1740231448

  Cardiovascular Disease

  Medicare reassignment Care Compare group NPD
• Knox Cardiology Associates, Inc.

  dba Coshocton Cardiology

  • Cardiovascular Disease Physician
  • Mount Vernon, OH
  • NPI 1992817365
  NPD (past)
• Knox Community Hospital

  • Family Medicine Physician
  • Mount Vernon, OH
  • NPI 1154483022
  NPD (past)
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)
• Osu Internal Medicine, LLC

  dba Stoneridge Endoscopy Center

  • Endoscopy Clinic/Center
  • Dublin, OH
  • NPI 1427127919
  NPD (past)
• Sunrays Cardiology Inc

  • Cardiovascular Disease Physician
  • Newark, OH
  • NPI 1366594848
  NPD (past)
• Vasu Medical Group Inc

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1215031927
  NPD (past)

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

• Arthur G James Cancer Hospital and Research Institute

  • Special Hospital
  • Columbus, OH
  • NPI 1124127683
  Care Compare affiliation
• Ohio State University Hospitals

  dba Ohio State University Dodd Rehabilitation Hospital

  • Rehabilitation Hospital Unit
  • Columbus, OH
  • NPI 1184723637
  Care Compare affiliation
• Ohio State University Hospitals

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1447359997
  Care Compare affiliation
• Ohio State University Hospitals

  dba Ohio State University Harding Hospital

  • Psychiatric Hospital Unit
  • Columbus, OH
  • NPI 1790876183
  Care Compare affiliation

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

{
    "created_epoch": "1165795200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1801956743",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 ACKERMAN RD STE 2120",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021559",
            "telephone_number": "614-293-7677",
            "fax_number": "614-293-5614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "543 TAYLOR AVE FL 3",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432031278",
            "telephone_number": "614-293-7677",
            "fax_number": "614-293-5614"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARAR",
        "first_name": "UNNI",
        "middle_name": "K",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-11",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "OH",
            "license": "35.064694",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "umarar690@direct.osumc.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "543 Taylor Ave Fl 3",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432031278",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Mehmood Mohy-Ud-Din Maqbool
• Mar Psychological Services LLC
• Jeffrey Marable, M.D.
• Richard D. Maradiaga, MD
• Jennifer M Marangoni, PA
• Gracie Marasco
• Marathon Health, LLC
• Marble Health Oh, Inc.
• Kamryn Marbrey, LSW
• Lakishia Levett Marbury

• Cardiovascular Disease Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Cardiovascular Disease Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 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.