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Dr. Douglas P. Duffy, MD


Dr. Duffy's Overview

Dr. Douglas P. Duffy graduated from the Michigan State University College of Human Medicine in 1973. He works in Marshfield, WI and specializes in Nephrology. Dr. Duffy is affiliated with Ministry Saint Michaels Hospital and Ministry St Josephs Hospital.

Dr. Duffy's Experience

Years in Practice: 42

Conditions Treated by Dr. Duffy

  • Not Available

Procedures Performed by Dr. Duffy

  • Not Available

Dr. Duffy's Specialties


Dr. Duffy's Education & Training

Medical School: Michigan State University College of Human Medicine; Graduated 1973

Dr. Duffy's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. Duffy's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Signature Administrators PPO
  • Anthem Blue Access PPO
  • Anthem Blue Preferred HMO
  • Anthem Blue Preferred Plus POS
  • BCBS Blue Card PPO
  • BCBS MN Blue Cross Accord
  • First Health PPO
  • Multiplan PPO
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Dr. Duffy's Office Information & Appointments

Office Locations

Marshfield Clinic Nephrology

1000 N Oak Ave
Marshfield, WI 54449
(715) 387-5345


Office Hours and Information

Fax: (715) 387-5528

Practice Website: Not Available

Accepting New Patients: No

Medicare Accepted: No

Medicaid Accepted: No

Not Available

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Office Locations

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