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

Mary Ann Karn, CNP

Individual provider Pediatric Nurse Practitioner · NPI 1033126537

Mary Ann Karn, CNP is a Pediatric Nurse Practitioner in Columbus, Ohio. Works from 7 locations. Licensed in Ohio.

Licensed in
OH
In the registry since
2006
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

700 Childrens Dr
Columbus, OH 43205-2664
Phone: (614) 722-6531
Fax: (614) 722-4670
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 555 S 18th St, Columbus, OH 43205-2654 — (614) 722-2000
  • 6435 E Broad St, Columbus, OH 43213-1507 — (614) 722-2000
  • 5675 Venture Dr, Dublin, OH 43017-2159 — (614) 722-2000
  • 3949 N Main St, Findlay, OH 45840-4200 — (614) 722-2000
  • 536 S Trimble Rd, Mansfield, OH 44906-3418 — (614) 722-2000
  • 455 Executive Campus Dr, Westerville, OH 43082-8870 — (614) 722-2000

Specialties & licences

Pediatric Nurse Practitioner (primary) Taxonomy 363LP0200X · Licence NP-06285 (OH)

Record details

NPI number1033126537
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedAugust 1, 2006
Last updated in NPPESFebruary 22, 2022
Certification dateFebruary 22, 2022

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