Summary

Dr. William McCormack is a gastroenterologist and internal medicine physician with over four decades of medical experience. They earned their medical degree from the University of South Florida College of Medicine and completed residency training at St. Joseph Hospital. With 41 years in practice, Dr. McCormack brings extensive knowledge to both digestive health and comprehensive internal medicine care.

Dr. McCormack practices at Kaiser Permanente in Wailuku, Hawaii, where they provide specialized gastroenterology services alongside general internal medicine. Their dual specialty training allows them to address complex digestive conditions while managing overall patient health. Patients consistently rate Dr. McCormack highly, with an average rating of 4.5 out of 5 stars, reflecting their commitment to quality care and patient satisfaction.

Overview based on verified provider data

Quick Facts

  • 4.5
  • 41 years of experience
  • 2 insurance plans accepted
  • St Joseph Hospital
  • 5 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 office location

Office Location

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Dr. William J Mccormack, MDDr. Arun Khazanchi, MDJi Soo Choi, APRNDr. Pedro Acfalle Manibusan, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients
4.5 
4.5 
41 Years of Experience 30 Years of Experience 19 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English, Tagalog
Wailuku , HILakewood Ranch , FLSACRAMENTO , CAPearl City , HI
Med School: University Of South Florida College Of Medicine Med School: St Georges University School Of Medicine Med School: New York University Med School: Touro University California College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. William J Mccormack

  • Medicare
  • Medicare - Medicare

Medical Specialties

Dr. William J Mccormack has the following 2 specialties

Specialty Expertise

Dr. William J Mccormack 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

41 Years Experience

Education & Training

Residency

Completed their residency at St Joseph Hospital.

Medical School

Graduated from University Of South Florida College Of Medicine in 1985.

NPI Number

Dr. Mccormack's NPI number is 1922102292.

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Frequently Asked Questions

Does Dr. William Mccormack accept virtual/telehealth appointments?
Dr. William Mccormack 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. William Mccormack?
You can find contact information for Dr. William Mccormack here on Vitals.
Is Dr. William Mccormack accepting new patients?
Dr. William Mccormack has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. William Mccormack accept my insurance?
You can see the insurance plans that Dr. William Mccormack accepts on their Vitals profile.
Where is Dr. William Mccormack's office located?
Dr. William Mccormack's office is located at 80 Mahalani St, Wailuku, HI, 96793.

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