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Dr. William Hasler, MD
Gastroenterology* Age 69
Dr. William Hasler, MD

Offers telehealth

Dr. William Hasler, MD is a Gastroenterologist in Scottsdale, AZ.
Dr. William Hasler, MD

Dr. William Hasler, MD

Gastroenterology* Age 69
Scottsdale, AZ
Accepting new patients
43 years of experience

Offers telehealth

Dr. William Hasler, MD is a Gastroenterologist in Scottsdale, AZ.
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About Dr. William Hasler, MD

Dr. Hasler graduated from University of Pennsylvania Perelman School of Medicine. Dr. William Hasler, MD is a Gastroenterologist in Scottsdale, AZ and has 43 years experience. Dr. Hasler currently practices at Mayo Clinic Building Scottsdale and is affiliated with Mayo Clinic Hospital. Dr. Hasler has experience treating conditions like Diarrhea, Noninfectious Gastroenteritis and Colitis, Gastroparesis, Constipation, Esophageal Varices and Nausea among other conditions at varying frequencies. Dr. Hasler's office accepts new patients and telehealth appointments. Dr. Hasler is board certified in Gastroenterology and Internal Medicine.

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Experience Check

Enter a condition or procedure
Diarrhea
Noninfectious Gastroenteritis and Colitis
Gastroparesis
Diarrhea
  • View other providers who treat Diarrhea
Noninfectious Gastroenteritis and Colitis
Gastroparesis
Constipation
Esophageal Varices
Nausea
  • View other providers who treat Nausea
Gastroptosis
Intestinal Ulcer
Hemorrhoids
Gastric Ulcer
Abdominal Pain
Intestinal Diverticulosis
Esophagitis
Duodenal Ulcer
Manometry
Rigid Proctosigmoidoscopy
Flexible Sigmoidoscopy
Duodenal Polypectomy
Congenital Anomaly Intestine
Intestinal Obstruction
Diaphragmatic and Hiatal Hernia
Reflux Esophagitis
Endoscopy
Gastritis
Dysphagia
Vomiting Disorders
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Inflammatory Bowel Disease
Cirrhosis
Gas-Bloat Syndrome
Enteritis
Gastrointestinal Malabsorption
Gastroesophageal Reflux Disease (GERD)
Colonoscopy
Crohn's Disease
Anal or Rectal Pain
Colorectal Polyp
Upper Digestive Tract Cancer
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Gastrointestinal Bleeding
Heartburn
Anemia
  • View other providers who treat Anemia
Intestinal Malabsorption Carbohydrate
Chronic Gastritis
Barrett's Esophagus
Liver Damage from Alcohol
Duodenitis
Hypokalemia
Ileus
  • View other providers who treat Ileus
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Malnutrition
Irritable Bowel Syndrome
Unexplained Weight Loss
Pancreatitis
Ulcerative Colitis
Esophageal Ulcer
Sigmoidoscopy
Esophageal Motility Disorders
Dehydration
Acute Gastritis
Alcoholic Cirrhosis
All Types of Food Poisoning
Ascites
  • View other providers who treat Ascites
Autoimmune Hepatitis
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Bile Duct Obstruction
Biliary Cirrhosis
Bowel Strangulation
Celiac Disease
Cholangitis
Colon Cancer
Congenital Anomaly Bile Duct
Congenital Anomaly Esophagus
Cyclical Vomiting
Diffuse Esophageal Spasm
Duodenal Cancer
Dysentery
Ehlers-Danlos Syndrome
Eosinophilic Esophagitis
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Familial Adenomatous Polyposis
Food Poisoning
Gallstones
Gastrojejunal Ulcer
Giardiasis
Hemochromatosis
Hepatitis C
Hepatorenal Syndrome
Hereditary Amyloidosis
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Indigestion
Infectious Diarrheal Disease
Intestinal Diverticulitis
Intestinal Prolapse
Ischemic Colitis
Lactose Intolerance
Liver Abscess
Mesenteric Panniculitis
Pancreatic Pseudocyst
Peptic Ulcer
Primary Biliary Cholangitis
Primary Sclerosing Cholangitis
Proctoptosis
Pyloric Stenosis
Rectal Prolapse
Rectal Ulcer
Retroperitoneum Cancer
Splenomegaly
Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin_Deficiency
Colon Cancer Screening
Colorectal Cancer Screening
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Choice Plus POS
    Nexus Open Access
    Options PPO

Where Dr. William Hasler, MD Sees Patients

  1. 1 Mayo Clinic Building Scottsdale
    13400 E Shea Blvd, Scottsdale, AZ 85259
  2. 2 University of Michigan Medical Center
    1500 E Medical Center Dr, Ann Arbor, MI 48109
  3. 3 Mayo Clinic Arizona
    5779 E Mayo Blvd, Phoenix, AZ 85054
  4. 4 Mayo Clinic-Phoenix
    5777 E Mayo Blvd, Phoenix, AZ 85054

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Telehealth Options
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(480) 301-8000

Meet Dr. William Hasler, MD

Specialties*
Gastroenterology
Internal Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Hasler communicate via email?
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Does Dr. Hasler offer telehealth services or virtual visits?
2 users said yes.
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Does Dr. Hasler offer an online patient portal?
2 users said yes.
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Does Dr. Hasler have free onsite parking?
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Does Dr. Hasler offer evening visits?
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Does Dr. Hasler specialize in working with children or adolescents?
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Does Dr. Hasler specialize in working with seniors?
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Does Dr. Hasler specialize in couples therapy?
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FAQs About Dr. Hasler's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. William Hasler, MD. To arrange an appointment, call the number on Dr. Hasler's profile.

Dr. Hasler frequently treats the following conditions: Diarrhea, Noninfectious Gastroenteritis and Colitis, Gastroparesis, Constipation, Esophageal Varices and Nausea. See more on Sharecare.

Dr. William Hasler, MD is affiliated with Mayo Clinic Hospital.

Yes, Dr. William Hasler, MD holds board certification in Gastroenterology and Internal Medicine.

Training & Medical Education
Medical Education
  • University of Pennsylvania Perelman School of Medicine
    1983
Medical Education
Board Certifications
  • Gastroenterology and Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Hospitals Where Dr. William Hasler, MD Practices

  • Mayo Clinic Hospital

    5777 E Mayo Blvd, Phoenix, AZ

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