Summary

Dr. William Hasler is a gastroenterologist and internal medicine physician who graduated from the Perelman School of Medicine at University of Pennsylvania and completed his residency at University of Michigan Health System. With 43 years of experience in medicine, Dr. Hasler brings extensive expertise to his practice. He is fluent in both English and Spanish.

Dr. Hasler practices at multiple locations in Phoenix and Scottsdale, Arizona, including Mayo Clinic Hospital, HonorHealth Scottsdale Osborn Medical Center, HonorHealth Scottsdale Thompson Peak Medical Center, and HonorHealth Scottsdale Shea Medical Center. He specializes in treating digestive conditions such as nausea and vomiting related to cancer treatment and cannabis hyperemesis syndrome. His clinical work includes performing diagnostic tests like complete blood counts and liver function assessments. Patients rate Dr. Hasler 5.0 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

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

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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. Yilien Alonso, MDDr. Daryl Hutchinson, MDDr. Yvette Lam, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.6 
4.8 
43 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 Speaks Chinese, English, Spanish
Phoenix , AZScottsdale , AZSun City , AZSun City , AZ
Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: Florida International University Herbert Wertheim College of Medicine Med School: State University of New York at Downstate College of Medicine
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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

Dr. William Lee Hasler holds an active medical license in the state of Arizona.

Medical License

Medical Doctor with an active medical license in the state of Arizona that expires in 2027.

Education & Training

Residency

Completed their residency at University Of Michigan Health System.

Medical School

Graduated from Perelman School Of Medicine At University Of Pennsylvania in 1983.

NPI Number

Dr. Hasler's NPI number is 1346322872.

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Frequently Asked Questions

How can I make an appointment with Dr. William Hasler?
You can find contact information for Dr. William Hasler here on Vitals.
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 my insurance?
You can see the insurance plans that Dr. William Hasler accepts on their Vitals profile.
What languages does Dr. William Hasler speak?
Dr. William Hasler speaks English and Spanish.
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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