What is Mary Karn's NPI number?

Mary Karn's National Provider Identifier (NPI) is 1033126537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Karn's specialty?

Mary Karn is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Mary Karn located?

Mary Karn's practice location on file with NPPES is 700 Childrens Dr, Columbus, OH 43205-2664.

What is Mary Karn's phone number?

The practice phone number listed in the NPPES registry for Mary Karn is (614) 722-6531.

Is Mary Karn's NPI active?

Yes — Mary Karn's NPI (1033126537) is active in the NPPES registry as of the last update on 2022-02-22.

IndividualActive

Mary Karn, CNP

NPI 1033126537 · Pediatric Nurse Practitioner · Columbus, OH

Mary Karn, CNP is a Pediatric Nurse Practitioner provider in Columbus, OH (NPI 1033126537).

Provider details

NPI number: 1033126537
Entity type: Individual
Primary specialty: Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: CNP
Sex: Female
Sole proprietor: No
License: NP-06285 (OH)

Specialties & taxonomies

Pediatric Nurse PractitionerPrimary363LP0200XLicense NP-06285 (OH)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
7 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

700 Childrens Dr

Columbus, OH 43205-2664

Phone: (614) 722-6531

Fax: (614) 722-4670

Street-level locationGet directions

More OH providers

Mailing address

700 Childrens Dr

Columbus, OH 43205-2664

Additional practice locations (6)

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

Enumerated: 2006-08-01
Last updated: 2022-02-22
Certified: 2022-02-22

Frequently asked questions

What is Mary Karn's NPI number?: Mary Karn's National Provider Identifier (NPI) is 1033126537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Karn's specialty?: Mary Karn is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Mary Karn located?: Mary Karn's practice location on file with NPPES is 700 Childrens Dr, Columbus, OH 43205-2664.
What is Mary Karn's phone number?: The practice phone number listed in the NPPES registry for Mary Karn is (614) 722-6531.
Is Mary Karn's NPI active?: Yes — Mary Karn's NPI (1033126537) is active in the NPPES registry as of the last update on 2022-02-22.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.