Summary

Dr. William Alvarez is a gastroenterologist who focuses on diagnosing and treating conditions affecting the digestive system. He earned his medical degree from Universidad Nacional De Cordoba Facultad De Ciencias Medicas and brings over four decades of clinical experience to his practice. Dr. Alvarez speaks English with his patients.

Dr. Alvarez practices at multiple locations throughout Wisconsin, including Green Bay and Manitowoc, with affiliations at Saint Vincent Hospital, Bellin Hospital, and Aurora Baycare Medical Center. He specializes in treating colon polyps and diverticular conditions. His expertise includes performing colonoscopies and lower gastrointestinal endoscopic procedures to help diagnose digestive health concerns. Patients have given him an average rating of 2.0 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 2
  • 42 years of experience
  • speaks English
  • Universidad Nacional De Cordoba Facultad De Ciencias Medicas
  • 2 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 board certification
  • 4 hospital affiliations
  • 7 office locations
  • Male

Office Locations

Dr. William Alvarez has 7 locations

Aurora Baycare Medical Center

2845 Greenbrier RdGreen Bay, WI 54311

Milo C Huempfner Va Outpatient Clinic

2851 University AveGreen Bay, WI 54311
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

Saint Vincent Hospital

835 S Van Buren StGreen Bay, WI 54301

Bellin Hospital Green Bay

744 S Webster AveGreen Bay, WI 54301

Aurora Baycare Medical Center

2845 Greenbrier Rd Ste 310Green Bay, WI 54311

Aurora Baycare Medical Center

2845 Greenbrier Rd Ste 330Green Bay, WI 54311

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Dr. William Alvarez, MDDr. Adebisi Olubunmi Alimi, MDMichelle Leigh WilsonDr. Rajesh Sharma, MD
GastroenterologyGastroenterologyNurse PractitionerGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
42 Years of Experience 16 Years of Experience 40 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish Speaks English
Manitowoc , WISheboygan , WISheboygan , WITwo Rivers , WI
Med School: Universidad Nacional De Cordoba Facultad De Ciencias Medicas Med School: University Of Minnesota Medical School Med School: Government Medical College Amritsar
Current Profile
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Insurance Plans Accepted by Dr. William Alvarez

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

Medical Specialties

Dr. William Alvarez has the following specialty

Specialty Expertise

Dr. William Alvarez has the following 10 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

42 Years Experience

Dr. William Alvarez holds an expired medical license in the state of Wisconsin.

Medical License

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

Education & Training

Medical School

Graduated from Universidad Nacional De Cordoba Facultad De Ciencias Medicas in 1984.

NPI Number

Dr. Alvarez's NPI number is 1780792887.

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Frequently Asked Questions

Is Dr. William Alvarez accepting new patients?
Dr. William Alvarez is accepting new patients on Vitals. View Dr. William Alvarez's profile on Vitals to make an appointment.
Does Dr. William Alvarez accept virtual/telehealth appointments?
Dr. William Alvarez has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. William Alvarez accept my insurance?
You can see the insurance plans that Dr. William Alvarez accepts on their Vitals profile.
Which hospitals is Dr. William Alvarez affiliated with?
Dr. William Alvarez is affiliated with Hshs Saint Vincent Hospital, Emplify Health Bellin, Aurora Baycare Medical Center, and HFM MEDICAL CENTER.
Where is Dr. William Alvarez's office located?
Dr. William Alvarez's office is located at 2300 Western Ave, Manitowoc, WI, 54220.

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