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Diabetes Care

About Mercy Diabetes Services
Mercy Diabetes Center takes a unique team approach to delivering diabetes care.

The medical team includes:

  • Physicians,
  • Mid-Level Providers,
  • Diabetic Educators,
  • Dietitian
  • and Support Staff.

Sara Berding video
Sara Berding, ARNP

Keith Hargis video
Keith Hargis, RD/LD

Mark Johnson video
Mark Johnson, MD

Shannon Johnson video
Shannon Johnson, RN, CDE

Debbie Sanford video
Debbie Sanford, RN, CDE

Joy Schrader video
Joy Schrader, ARNP

Beth Thompson video
Beth Thompson, RN, BAN, MA


Together they take care of patients, develop best practices, conduct research and implement new strategies for diabetes management and share those practices with physicians and other health care providers within Mercy Health Network - North Iowa. Access to ongoing education for diabetes self-management and support also is advanced through Mercy Diabetes Center.

Office Hours are: 7:30 a.m. to 4:30 p.m., Monday - Thursday and Friday 7:30- 12:00. For more information or to schedule an appointment, call 641-428-7799.

Other Resource Links:
Juvenile Diabetes Research Foundation North Iowa / Southern Minnesota 

©  2014 

 Mercy Medical Center-North Iowa | 1000 4th Street SW Mason City, IA 50401 | 641-428-7000

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