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To help keep you safe from coronavirus (COVID-19), telephone, telemedicine, and patient portal messaging is available. No referral needed. Learn more.

Welcome to Cumberland Diabetes Center


Please note our office hours are temporarily changing. Our new hours are Monday-Thursday 8 a.m. until 4 p.m. We will now be closed on Fridays.

Please notify us in advance of your appointment if you’re sick or have been exposed to anyone with Coronavirus so we can prepare for your arrival.

Thank you for visiting Cumberland Diabetes Center. We provide personalized treatment through medical, nursing, and dietary services that are meant to help prevent and manage diabetes or obesity. Our office is led by our director, John Sherrill, MD. Together, with our certified physician assistant and family nurse practitioner, our healthcare team has more than 20 years of combined experience. Our office is affiliated with Cumberland Medical Center and is a proud member of Covenant Health.

Cumberland Diabetes Center is recognized by the American Diabetes Association.

This facility complies with applicable Federal civil rights laws and does not discriminate on the basis of race, color, national origin, age, disability, or sex. Click here to learn more.

Services Quick Links

At Cumberland Diabetes Center, we provide excellent care for patients who are trying to manage their diabetes or obesity.

  • Pre-diabetes management
  • Education and management of newly diagnosed diabetes
  • Intensive care of type 1 or 2 diabetes
  • Weight loss management

Click here for a complete listing of our services.

Patient Resources

At Cumberland Diabetes Center, our patients deserve excellent care. That’s why we pledge to put our patients first every day, and strive for excellence in everything we do.

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We are so grateful for your outpouring of love and support. Your caring spirit has lifted ours during this difficult time and kept us going with prayers and donations of meals, treats, cards and hand-sewn masks. We couldn’t have done this without you! Read a special message of thanks to our communities: ... See MoreSee Less

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Donating blood is a simple, safe way to help our community through this time!MEDIC Regional Blood Center is looking for eligible A Negative, A Positive, O Negative and O Positive donors to come in this week. All July donors are automatically entered to win a $500 E-Gift Card, a month of mosquito protection from Preferred Pest Termite & Turf, Food City gift card or a Hard Knox Pizzeria gift card.
Call 865-524-3074 or go to to schedule your appointment or to find a list of upcoming drives.
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Timeline PhotosAre you wearing your mask correctly? ... See MoreSee Less

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‼️Updates to our Visitation Policy, effective Monday, July 13:‼️ ... See MoreSee Less

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Personalizing Treatments through Medical, Nursing, and Dietary Services to Manage Diabetes and Obesity

No physician referral needed. Learn more about our services.

Cumberland Diabetes Center News

  • Telephone, Telehealth, and Patient Portal Messaging Available During COVID-19

    To ensure the health and safety of our patients and staff from the risk of coronavirus (COVID-19), whenever possible, we’re recommending telephone, telehealth ( and direct messaging with your providers via MyCovenantHealth. This service is for established AND new patients. Here are some frequently asked questions and answers about these types of visits: How are 

Read more stories on the Cumberland Diabetes Center blog .