npidata.org
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Ohio › Adult Health Nurse Practitioner

Gretchen Calhoun, CNP

NPI 1689714586 · on the registry since 2007

Practice

Address
3400 Olentangy River Rd
Columbus, OH 43202
Phone
(614) 754-5500
Fax
(614) 754-5501
Organisation at this address
Ohio Gastroenterology Group, Inc.
Central Ohio Endoscopy Center, Llc
Ohio State Pain Management Center,Llc
Inferred from a shared address, not stated in the registry.
Clinicians at this address
94

Registry record

Primary taxonomy
Adult Health Nurse Practitioner
363LA2200X
Licence states on file
OH
From the registry's licence fields, which are often incomplete.
Sex
Female
Record last updated
2025-06-25

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Ohio