Summary

Dr. William Hasler is a gastroenterologist and internal medicine specialist with over four decades of medical experience. He earned his medical degree from the Perelman School of Medicine at the University of Pennsylvania and completed his residency at the University of Michigan Health System. Dr. Hasler speaks both English and Spanish, making care accessible to a broader patient community.

Dr. Hasler practices at multiple locations throughout Phoenix and Scottsdale, including Mayo Clinic Hospital, HonorHealth Scottsdale Osborn Medical Center, and HonorHealth Scottsdale Shea Medical Center. He specializes in treating digestive conditions such as gastroparesis and changes in bowel habits. His expertise includes performing colonoscopies and other diagnostic procedures to help patients maintain their digestive health. Patients consistently rate Dr. Hasler highly, giving him a perfect 5.0 rating on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • 5
  • 43 years of experience
  • speaks English, Spanish
  • University Of Michigan Health System
  • 1 written review
  • 2 specialties
  • 17 areas of expertise
  • 2 board certifications
  • 6 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. William Lee Hasler has 4 locations

Mayo Clinic Hospital

5777 E Mayo BlvdPhoenix, AZ 85054

Honorhealth Scottsdale Shea Medical Center

9003 E Shea BlvdScottsdale, AZ 85260

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Dr. William Lee Hasler, MDDr. Anil Seetharam, MDBrendon Bower, APRNDr. Yvette Lam, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
43 Years of Experience
No Virtual Visit Option No Virtual Visit Option Virtual Visit Available No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English Speaks Spanish, Chinese, English
Phoenix , AZScottsdale , AZTempe , AZSun City , AZ
Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: University of Wisconsin-Madison School of Medicine and Public Health Med School: University of Cincinnati Med School: State University of New York at Downstate College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. William Lee Hasler

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

Medical Specialties

Dr. William Lee Hasler has the following 2 specialties

Specialty Expertise

Dr. William Lee Hasler has the following 17 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Capsule Endoscopy
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Esophageal Motility Disorders (Dysmotilities)
  • Functional Colonic Diseases (Functional Bowel Disorders)
  • Gastrointestinal Diseases (GI Diseases)
  • Gastroparesis
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Stomach Diseases
  • Ulcerative Colitis

Certifications, License, & Education

43 Years Experience

MEDICAL LICENSE

Medical Doctor, Arizona, 2027, Active

EDUCATION & TRAINING

Residency

University Of Michigan Health System

Medical School

Perelman School Of Medicine At University Of PennsylvaniaGraduated in 1983

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Frequently Asked Questions

Which hospitals is Dr. William Hasler affiliated with?
Dr. William Hasler is affiliated with Honorhealth Scottsdale Osborn Medical Center, Honorhealth Scottsdale Shea Medical Center, Mayo Clinic Hospital, Honorhealth Scottsdale Thompson Peak Medical Center, University Of Michigan Cs Mott Childrens Hospital, and UNIVERSITY OF MICHIGAN HEALTH SYSTEM.
Where is Dr. William Hasler's office located?
Dr. William Hasler's office is located at 5777 E Mayo Blvd, Phoenix, AZ, 85054.
Does Dr. William Hasler accept my insurance?
You can see the insurance plans that Dr. William Hasler accepts on their Vitals profile.
Is Dr. William Hasler accepting new patients?
Dr. William Hasler has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. William Hasler accept virtual/telehealth appointments?
Dr. William Hasler has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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