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Dr. Joseph Karnish, DO

Dr. Joseph Karnish, DO

Age 63 Family Medicine M
Star rating icon (13) 13 reviews

Telehealth available


Dr. Joseph Karnish, DO is a family medicine specialist in Georgetown, DE. He currently practices at Nanticoke Physician Network and is affiliated with Beebe Medical Center. He accepts multiple insurance plans.


  • Cuyahoga Falls Genl Hospital, Internship Hospital — 1986
  • Philadelphia College of Osteopathic Medicine, Medical School — 1985

Insurance Accepted

  • Aetna
  • Amerihealth
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • MultiPlan

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Dr. Karnish has been my wife's and my doctor for more than 22 years. He is the most professional, caring, informative, congenial, and countless other attributes too numerous to mention. He was also my wife's Mother's doctor when she came to visit us from NY. He has called us in the evening at home to follow up on earlier questions or situations on several occasions over the years. We hope we can keep seeing him as long as we live. We couldn't be happier and look forward to each appointment just to see him again and get answers to any and all questions we have. He's irreplaceable.
Steve and Connie Lewis — Aug 04, 2022
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Dr. Joseph Karnish, DO
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Frequently Asked Questions

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Dr. Karnish frequently treats Acute Sinusitis, Sinusitis, and Overweight.  

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Hospital Affiliations

  • Beebe Medical Center
  • TidalHealth Nanticoke


  1. Nanticoke Physician Network

    1. 1
      Nanticoke Physician Network
      503 W Market St, Georgetown, DE 19947 (302) 856-7099
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(302) 856-7099