Summary

Dr. William Hanavan specializes in gastroenterology and internal medicine, bringing over four decades of medical expertise to patient care. They earned their medical degree from the University at Buffalo State University of New York School of Medicine & Biomedical Sciences and completed residency training at University Hospital Health System. With 43 years of experience in practice, Dr. Hanavan provides comprehensive care for digestive health concerns and general internal medicine needs. They communicate with patients in English.

Dr. Hanavan practices at Bronson Gastroenterology in Portage, Michigan, and maintains hospital privileges at Bronson Methodist Hospital. Their extensive experience allows them to address a wide range of gastrointestinal conditions and coordinate comprehensive internal medicine care for adult patients. Patients have given Dr. Hanavan an average rating of 3.8 out of 5 on Vitals, reflecting their feedback on the care experience.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.8
  • 43 years of experience
  • 2 insurance plans accepted
  • speaks English
  • University Hospital Health System
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 1 hospital affiliation
  • 1 office location

Patients’ Perspective

  • Gave an accurate diagnosis
  • Spent time with me
  • Flexible scheduling

Office Location

Bronson Gastroenterology Portage

3304 Cooley CtPortage, MI 49024
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

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Dr. William Francis Hanavan, MDTheresa Obonyano, APRNDr. William Jackson, MDDr. Peter W Dieleman, MD
GastroenterologyGastroenterologyInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients
3.8 
43 Years of Experience 44 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
Portage , MISACRAMENTO , CAMarcellus , MIKalamazoo , MI
Med School: University At Buffalo State University Of New York School Of Medicine & Biomedical Sciences Med School: The University of Texas Health Science Center at Houston Med School: Michigan State University College Of Human Medicine
Current Profile
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Insurance Plans Accepted by Dr. William Francis Hanavan

  • Accepts Medicare
  • Accepts Medicaid
  • Blue Cross Blue Shield
  • Cigna-HealthSpring

Medical Specialties

Dr. William Francis Hanavan has the following 2 specialties

Specialty Expertise

Dr. William Francis Hanavan has the following 11 areas of expertise

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

Certifications, License, & Education

43 Years Experience

Education & Training

Residency

Completed their residency at University Hospital Health System.

Medical School

Graduated from University At Buffalo State University Of New York School Of Medicine & Biomedical Sciences in 1983.

NPI Number

Dr. Hanavan's NPI number is 1013972926.

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Frequently Asked Questions

Does Dr. William Hanavan accept my insurance?
You can see the insurance plans that Dr. William Hanavan accepts on their Vitals profile.
Is Dr. William Hanavan accepting new patients?
Dr. William Hanavan is accepting new patients on Vitals. View Dr. William Hanavan's profile on Vitals to make an appointment.
Which hospitals is Dr. William Hanavan affiliated with?
Dr. William Hanavan is affiliated with Bronson Methodist Hospital.
Does Dr. William Hanavan accept virtual/telehealth appointments?
Dr. William Hanavan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Dr. William Hanavan speak?
Dr. William Hanavan speaks English.

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