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

Gretchen K Calhoun, CNP

Individual provider Adult Health Nurse Practitioner · NPI 1689714586

Gretchen K Calhoun, CNP is a Nurse Practitioner in Columbus, Ohio. Qualified in 1996, 30 years ago. Practices with Ohio Gastroenterology Group, Inc, a 117-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
30
Licensed in
OH
In the registry since
2007
What do these letters mean?
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

3400 Olentangy River Rd
Columbus, OH 43202-1523
Phone: (614) 754-5500
Fax: (614) 754-5501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence APRN.CNP.00908 (OH)

Record details

NPI number1689714586
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNP
Sole proprietorNo
NPI enumeratedFebruary 8, 2007
Last updated in NPPESJune 25, 2025
Certification dateJune 25, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Ohio Gastroenterology Group, Inc. — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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