Karen Barnhart, APRN-CNP

Nurse Practitioner

Internal Medicine

Make an appointment

614-685-3333
Accepting new patients

Conditions and expertise

  • Osteoporosis
  • Endocrinology
  • Thyroid Diseases
  • Diabetes Mellitus

Locations

  • Primary Care – General Internal Medicine in Outpatient Care Dublin
  • Endocrinology in Outpatient Care East

View all locations

Academic information

Department: Internal Medicine

About

Gender
Female

Biography

I am a board-certified nurse practitioner specializing in endocrinology at The Ohio State University Wexner Medical Center. I provide care for patients with diabetes, thyroid disorders and osteoporosis. My patients can rely on me for high quality, compassionate care and honest communication in every encounter.

I collaborate with a multidisciplinary team of skilled experts to ensure each patient receives personalized care tailored to their unique needs and values. In addition to my clinical responsibilities, I am passionate about educating and mentoring the next generation of providers.

Conditions and expertise

  • Diabetes Mellitus
  • Endocrinology
  • Osteoporosis
  • Thyroid Diseases

Locations

Endocrinology

in Outpatient Care East
543 Taylor Ave.
Suite 2026
Columbus, OH 43203
614-685-3333

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

Credentials

Education

Master of Science (MS)
Ohio State University College Of Nursing, Columbus, OH, USA
8/1/2013 - 6/30/2015
Master of Science in Nursing (MSN)
Wright State University, Dayton, OH
8/1/2009 - 12/15/2012

Certification

  • American Academy of Nurse Practitioners-Adult Nurse Practitioner
    7/15/2015

Ratings and 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.

88 Patient Satisfaction Reviews

4.9 out of 5 overall
  • Listens carefully
    5.0 / 5
  • Explains thing carefully
    4.9 / 5
  • Talks about my concerns
    4.7 / 5
  • Knows my medical history
    4.8 / 5
  • Gives understandable instructions
    4.9 / 5
  • Time spent together
    5.0 / 5
  • Shows respect
    5.0 / 5

Patient Comments

  • Reviewed on Jan 29, 2026

    Shows concern

  • Reviewed on Jan 25, 2026

    I really like her. She was very helpful and considerate. I told the doctor PCP my concerns and they are being addressed

  • Reviewed on Jan 20, 2026

    Excellent care provider

  • Reviewed on Dec 31, 2025

    Good.

  • Reviewed on Dec 23, 2025

    Karen was very fun but also knowledgeable. She made me feel comfortable. It was like visiting an old friend

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