Fairfield Internal Medicine


Welcome Tricia DeFiore, CNP!!! Tricia is accepting new patients!



8:00 am - 4:00 pm

8:00 am - 4:00 pm

8:00 am - 4:00 pm

8:00 am - 4:00 pm

8:00 am - 12:00 pm



Patient resources

Patient Forms

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Telehealth Visits

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Billing and Insurance

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Bill Pay

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Patient Portal

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Contact Us

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About Fairfield Internal Medicine

Welcome to Fairfield Internal Medicine

Our mission is to provide innovative and responsive patient care using a competent team approach with the most dedicated individuals. Additionally, we strive to serve our patients in a competent, conscientious, and economic fashion. In order to achieve our goals, we stress patient education to facilitate self-care for not only physical needs, but also for emotional needs.

Finding Our Office

Our office is located south of Fairfield Medical Center (FMC) in the Medical Office Pavilion on North Ewing Street, Lancaster, Ohio. Parking is provided in the Pavilion parking lot located south and east of the entrance.

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Fairfield Internal Medicine

135 N. Ewing Street, Suite 305, Lancaster, OH


(740) 681-9447


(740) 681-9966

Monday 8:00 am - 4:00 pm

Tuesday 8:00 am - 4:00 pm

Wednesday 8:00 am - 4:00 pm

Thursday 8:00 am - 4:00 pm

Friday 8:00 am - 12:00 pm

Saturday CLOSED



Johnny Abidin, MD

Tricia DeFiore, APRN, CNP

Christopher Nickison, MD