Unni Krishnan Marar

Unni Krishnan Marar, MBBS

  • Cardiovascular Disease
  • Physician

Assistant Clinical Professor of Internal Medicine

Accepting new patients

Insurances We Accept

614-293-7677

About Me

Unni Krishnan Marar, MD, is an assistant professor of clinical medicine at The Ohio State University Wexner Medical Center.

Dr. Marar earned his medical degree in internal medicine and cardiology at The University of Mumbai in Mumbai, India. He completed his residency in internal medicine at The Ohio State University College of Medicine and his residency in internal medicine and geriatrics at Kettering General Hospital in Northamptonshire, United Kingdom. Dr. Marar also completed fellowships in cardiology at the University of Mumbai and at Ohio State’s College of Medicine.

Dr. Marar is a member of several professional societies, including the Royal College of Physicians in London, England and the American Heart Association—Basic Life Support Program and Advanced Cardiovascular Life Support Program. He is fluent in Hindi and English, and his focus is on clinical cardiology.
Additional Languages I Speak
  • Hindi

Procedures and Conditions I Treat

  • Cardiology
  • Internal Medicine
  • Cardiovascular Diseases
  • Echocardiography
  • Nuclear Medicine
  • Coronary Care Units
  • Hypercholesterolemia
  • High Blood Pressure

Locations Where I Practice

Talbot Hall

1441 Phale D. Hale Drive
Columbus, OH 43203
614-257-3760

Please note: Not all physicians schedule patients at each listed location.

Education and Training

Education History

Medical School

University of Bombay, Lokmanya Tilak, Bombay 400022
6/1/1973 - 10/1/1977

Internship

Lokmanya Tilak Municipal Medical College/Hospital, Sion, Mumbai 400 022, India
3/7/1978 - 3/6/1979

Residency

Lokmanya Tilak Municipal Medical College/Hospital, Sion, Mumbai 400 022, India
4/1/1979 - 2/28/1982

Fellowship

Lokmanya Tilak Municipal Medical College/Hospital, Sion, Mumbai 400 022, India
3/1/1982 - 3/31/1985

Residency

Kettering Memorial Hospital and Medical Center, Dayton, OH
7/1/1988 - 11/30/1990

Residency

Ohio State University Wexner Medical Center, Columbus, OH
1/1/1991 - 4/20/1993

Fellowship

Ohio State University Wexner Medical Center, Columbus, OH
7/1/2004 - 6/30/2007

Board Certification

American Board of Internal Medicine/Cardiovascular Disease
10/31/2007

Academic Information

My Department

Internal Medicine

My Division

Cardiovascular Medicine

Reviews

The overall patient satisfaction rating is an average of all patient responses to the six doctor communication related questions shown below from the Clinician and Group Consumer Assessment of Healthcare Providers and Systems survey. For additional information about the patient satisfaction survey, please visit our Patient Satisfaction Survey page.

The comments are submitted by patients and reflect their view and opinions. The comments are not endorsed by and do not necessarily reflect the views of Ohio State Wexner Medical Center.

162 Patient Satisfaction Reviews

  • Overall
    4.9 out of 5
  • Explains Things Carefully
    4.8 out of 5
  • Listens Carefully
    4.9 out of 5
  • Gives Understandable Instructions
    4.8 out of 5
  • Knows My Medical History
    4.7 out of 5
  • Shows Respect
    4.9 out of 5
  • Time Spent Together
    4.9 out of 5
  • Reviewed on Oct 12, 2025

    Good

  • Reviewed on Sep 07, 2025

    Dr. Marar was extremely kind and accommodating in helping me receive a next day heart cath! This allowed me to continue with a planed lobectomy the following day.

  • Reviewed on Aug 31, 2025

    Nothing bad

  • Reviewed on Aug 18, 2025

    Dr.Marar had reviewed my chart/case thoroughly and was very patient when explaining his thoughts with me.

  • Reviewed on Aug 17, 2025

    Good

  • Reviewed on Aug 17, 2025

    Warm professionalism. Truly concerned re my health

  • Reviewed on Aug 11, 2025

    Listened to what I said and was very clear on what we should do

  • Reviewed on Aug 04, 2025

    He is always kind and patient with me and I never feel rushed

Consulting and Related Relationships

At The Ohio State University Wexner Medical Center, we support a faculty member’s research and consulting in collaboration with medical device, research and/or drug companies because a faculty member’s expertise can guide important advancements in the practice of medicine and improve patient care. In order to provide effective management of these relationships, the University requires annual disclosures from all faculty members with external interests related to their University responsibilities.

As of 09/30/2024, Dr. Marar has reported no relationships with companies or entities.

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