Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Karen A Barnhart, CNP

Individual provider Adult Health Nurse Practitioner · NPI 1356724918

Karen A Barnhart, CNP is a Nurse Practitioner in Columbus, Ohio. Graduated from Ohio State University College of Medicine in 2015, 11 years ago. Practices with Osu Internal Medicine LLC, a 1,145-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
11
Trained at
Ohio State University College of Medicine
Licensed in
OH
In the registry since
2015
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

543 Taylor Ave Fl 2
Columbus, OH 43203-1278
Phone: (614) 685-3333
Fax: (614) 366-0345
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1160 W Broad St, Columbus, OH 43222 — (614) 274-1455

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence APRN.CNP.17846 (OH)

Record details

NPI number1356724918
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedJuly 1, 2015
Last updated in NPPESApril 11, 2025
Certification dateApril 11, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Osu Internal Medicine Llc — 1145 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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