Summary

Dr. Guiou graduated from the University of California Davis School of Medicine in 2008. He works in Green Bay, WI and 6 other locations and specializes in Radiation Oncology and Internal Medicine. Dr. Guiou is affiliated with Hshs Saint Vincent Hospital, Schoolcraft Memorial Hospital, Saint Francis Hospital, Hshs Saint Marys Hospital Medical Center, Hshs Saint Clare Memorial Hospital and Door County Medical Center.

Quick Facts

  • accepting new patients
  • 5
  • 18 years of experience
  • speaks English, Spanish
  • Ohio State University Medical Center
  • 2 specialties
  • 4 areas of expertise
  • 6 hospital affiliations
  • 9 office locations
  • Male

Office Locations

Dr. Michael Warren Guiou has 9 locations

Green Bay Oncology Ltd

835 S Van Buren StGreen Bay, WI 54301
Mon7:00 am - 4:30 pm
Tue7:00 am - 4:30 pm
Wed7:00 am - 4:30 pm
Thu7:00 am - 4:30 pm
Fri7:00 am - 4:30 pm
SatClosed
SunClosed

Door County Memorial Hospital

323 S 18th AveSturgeon Bay, WI 54235

Green Bay Oncology Ltd

853 S Main St Ste COconto Falls, WI 54154
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
WedClosed
Thu8:00 am - 4:30 pm
FriClosed
SatClosed
SunClosed

Green Bay Oncology Ltd

3401 Ludington StEscanaba, MI 49829
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 12:00 pm
SatClosed
SunClosed

Green Bay Oncology Ltd

7870w Us Highway 2Manistique, MI 49854
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Schoolcraft Memorial Hospital

7870w Us Highway 2Manistique, MI 49854

Saint Vincent Hospital

835 S Van Buren StGreen Bay, WI 54301

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Dr. Michael Warren Guiou, MD
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Dr. Michael Warren Guiou, MDDr. Janet Marie Johnson, MDBrenda A Van SambeekDr. Alex Richard Coffman
Radiation OncologyHospital MedicineRadiation OncologyRadiation Oncology
Accepts New Patients Accepts New Patients Accepts New Patients
5 
0 
0 
0 
18 Years of Experience 33 Years of Experience 10 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Spanish
Green Bay , WIGreen Bay , WIAppleton , WIGreen Bay , WI
Med School: University Of California Davis School Of Medicine Med School: University Of Wisconsin School Of Medicine & Public Health Med School: The Robert Larner Md College Of Medicine At The University Of Vermont
Current Profile
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Insurance Plans Accepted by Dr. Michael Warren Guiou

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Michael Warren Guiou has the following 2 specialties

Specialty Expertise

Dr. Michael Warren Guiou has the following 4 areas of expertise

  • Cancer
  • Hodgkin's Lymphoma
  • Internal Medicine
  • Radiation Therapy

Certifications, License, & Education

18 Years Experience

Dr. Michael Warren Guiou holds an expired medical license in the states of Wisconsin and Michigan.

Medical License

Medical Doctor with an expired medical license in the state of Wisconsin that expired in 2025 and an expired medical license in the state of Michigan that expired in 2025.

Education & Training

Residency

Completed their residency at Ohio State University Medical Center.

Medical School

Graduated from University Of California Davis School Of Medicine in 2008.

NPI Number

Dr. Guiou's NPI number is 1548436363.

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Frequently Asked Questions

What languages does Dr. Michael Guiou speak?
Dr. Michael Guiou speaks English and Spanish.
Which hospitals is Dr. Michael Guiou affiliated with?
Dr. Michael Guiou is affiliated with Hshs Saint Vincent Hospital, Schoolcraft Memorial Hospital, Saint Francis Hospital, Hshs Saint Marys Hospital Medical Center, Hshs Saint Clare Memorial Hospital, and Door County Medical Center.
Does Dr. Michael Guiou accept virtual/telehealth appointments?
Dr. Michael Guiou has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Michael Guiou?
You can find contact information for Dr. Michael Guiou here on Vitals.
Does Dr. Michael Guiou accept my insurance?
You can see the insurance plans that Dr. Michael Guiou accepts on their Vitals profile.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Healthcare system and provider network data

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