1. Gastroenterologists
  2. MI
  3. Ann Arbor Gastroenterologists
  4. Dr. William Hasler, MD

Dr. William Hasler, MD

Gastroenterology •  Male • Age 63
  
Dr. Hasler
Accepting new patients
Esophageal Disorders, Gastrointestinal Disorders
Telehealth services available

Univ Michigan Taubman Ctr Gstrg

1500 E Medical Center Dr Ann Arbor, MI 48109

Make an Appointment

(734) 936-4000

Save

(734) 936-4000

Dr. William Hasler, MD is a Gastroenterology Specialist in Ann Arbor, MI and has over 37 years of experience in the medical field. Dr. Hasler has more experience with Esophageal Disorders and Gastrointestinal Disorders than other specialists in his area. He graduated from University of Pennsylvania School of Medicine medical school in 1983. He is affiliated with University Hospital - University of Michigan. He is accepting new patients and has indicated that he accepts telehealth appointments. Be sure to call ahead with Dr. Hasler to book an appointment.

Compare Providers

Quickly compare more Gastroenterology Specialists in your area

See similar Gastroenterology Specialists in Ann Arbor

At a Glance

  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. • See hospitals
  • Practices at Top Hospital
    America’s 100 Best Hospitals for Gastrointestinal Care Award™ • See hospitals

Insurance Check

Search for your insurance provider

Dr. Hasler accepts

Accepted insurance can change. Please double-check when making an appointment.

(734) 936-4000

Dr. Hasler accepts the following insurance:

Aetna
Choice Plus POS II
Anthem
National (BlueCard) PPO
Blue Cross Blue Shield
Blue Card PPO
CareFirst Blue Cross Blue Shield
HealthyBlue 2.0
HealthyBlue Advantage
Cigna
Cigna HMO
Cigna PPO
Open Access Plus
HAP Insurance
Preferred PPO
Humana
Choice Care PPO
MultiPlan
MultiPlan PPO
PHCS Network PPO
Priority Health
Priority PPO

Background Check

Healthgrades does not collect malpractice claims information for Michigan
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Practice Areas

Esophageal Disorders

Esophageal disorder specialists diagnose and treat conditions affecting the esophagus, such as reflux esophagitis, indigestion, and esophageal ulcers through procedures including medication, surgery, and swallowing therapy.Compare with other Esophageal Disorders specialists.

Typically treats 54% more than their peers

Based on claims data for 7 conditions and procedures

TreatmentsTreatment Frequency
Nausea
high
high

Treatment Frequency

Dr. Hasler treats Nausea more than 85% of their peers

Dr. Hasler treats this condition more than 85% of their peers

Esophageal Diseases
high
high

Treatment Frequency

Dr. Hasler treats Esophageal Diseases more than 83% of their peers

Dr. Hasler treats this condition more than 83% of their peers

Dysphagia
normal
normal

Treatment Frequency

Dr. Hasler treats Dysphagia more than 79% of their peers

Dr. Hasler treats this condition more than 79% of their peers

View all Esophageal Disorders treatments

Gastrointestinal Disorders

Gastrointestinal disorders specialists diagnose and treat conditions that affect the gastrointestinal tract, including Crohn's disease, ulcers, hernias, and food poisoning.Compare with other Gastrointestinal Disorders specialists.

Typically treats 60% more than their peers

Based on claims data for 22 conditions and procedures

TreatmentsTreatment Frequency
Gastroparesis
very high
very high

Treatment Frequency

Dr. Hasler treats Gastroparesis more than 100% of their peers

Dr. Hasler treats this condition more than 100% of their peers

Stomach Diseases
very high
very high

Treatment Frequency

Dr. Hasler treats Stomach Diseases more than 95% of their peers

Dr. Hasler treats this condition more than 95% of their peers

Gastrointestinal Diseases
very high
very high

Treatment Frequency

Dr. Hasler treats Gastrointestinal Diseases more than 94% of their peers

Dr. Hasler treats this condition more than 94% of their peers

View all Gastrointestinal Disorders treatments

Check Dr. Hasler's experience treating your condition or procedure

Dr. Hasler's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Anal or Rectal Pain
  • Anal Prolapse
  • Anemia
  • Anoscopy
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Biliary Atresia
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer
  • Constipation
  • Copper Metabolism Disorders
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysentery
  • Dysphagia
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Enteritis
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gallstones
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenterology Procedures
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Gastrojejunal Ulcer
  • Gastroparesis
  • Heartburn
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Ileus
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Abscess
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Damage from Alcohol
  • Malnutrition
  • Manometry
  • Mesenteric Panniculitis
  • Nausea
  • Non-Alcoholic Fatty Liver Disease
  • Non-Neonatal Jaundice
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Peptic Ulcer
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Stomach Diseases
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Vascular Insufficiency of Intestines
  • Viral Enteritis
  • Viral Hepatitis
  • Viral Infection
  • Vomiting Disorders

Help Improve Healthgrades

Does Dr. William Hasler, MD...

Offer an online patient portal?

Offer weekend visits?

Offer telehealth services or virtual visits?

Have free onsite parking?

Offer evening visits?

Dr. Hasler's Reviews

Likelihood to recommend Dr. Hasler

4.7

Based on 9 ratings

5 Stars
88.88888888888889%
(8)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
11.11111111111111%
(1)
1 Star
0%
(0)
healthgrades logo

Leave a review

How likely are you to recommend
Dr. Hasler?(Select your rating)
RecentHighestLowestMost Helpful
Reply Flag
I have seen Dr Hassler a few times and he is amazing. Takes time with his patients and very knowledgeable about his field. He has helped me a lot and I feel Does what is is my very best interest to help me get better.
Was this helpful?
thumbs up icon option1
thumbs down icon option
Mar 16, 2019
×Post a ResponseAre you Dr. William Hasler, MD?
Reply Flag
Dr Hasler helped me when I felt I had no other choices in my healthcare. He always answers all my questions and has helped me learn and understand my health conditions. He diagnosed me with a few things when no other doctors had a clue of what was wrong with me.
Was this helpful?
thumbs up icon option1
thumbs down icon option
Shelley in Lapeer, MI – Apr 27, 2018
×Post a ResponseAre you Dr. William Hasler, MD?
Reply Flag
Dr. Hasler is excellent. He has helped me tremendously, diagnosed problems, and he is very friendly, and answers all questions I have. I never feel rushed.
Was this helpful?
thumbs up icon option2
thumbs down icon option
Ypsilanti – Feb 28, 2018
×Post a ResponseAre you Dr. William Hasler, MD?

Leave a review

How was your experience with Dr. Hasler?

About Me

Biography

Dr. William Hasler, MD is a Gastroenterology Specialist in Ann Arbor, MI and has over 37 years of experience in the medical field. Dr. Hasler has more experience with Esophageal Disorders and Gastrointestinal Disorders than other specialists in his ...Read more

Specialties

  • Gastroenterology

Board Certifications

  • Gastroenterology
  • Internal Medicine
Learn why a board certification matters

Education

1989
University of Michigan Hospitals
Fellowship Hospital
1986
University of Michigan Hospitals
Residency Hospital
1984
University of Michigan Hospitals
Internship Hospital
1983
University of Pennsylvania School of Medicine
Medical School

Awards

  • Healthgrades Honor Roll
Learn more about recognized doctors

Common Questions and Answers

  • Does Dr. Hasler communicate via email?

    No users have indicated that Dr. Hasler communicates via email

  • Does Dr. Hasler offer telehealth services or virtual visits?

    No users have indicated that Dr. Hasler offers telehealth services or virtual visits

  • Does Dr. Hasler offer an online patient portal?

    No, 1 user indicated that they do not offer an online patient portal

  • Does Dr. Hasler have free onsite parking?

    No users have indicated that Dr. Hasler has free onsite parking

  • Does Dr. Hasler offer weekend visits?

    No users have indicated that Dr. Hasler offers weekend visits

  • Does Dr. Hasler offer evening visits?

    No users have indicated that Dr. Hasler offers evening visits

Frequently Asked Questions

Does Dr. William Hasler, MD offer telehealth services?

Is Dr. William Hasler, MD accepting new patients?

Does Dr. William Hasler, MD accept my insurance?

Locations

Univ Michigan Taubman Ctr Gstrg

Ann Arbor Office1500 E Medical Center Dr Ann Arbor, MI 48109
1

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Hasler treats patients.

Learn more

University Hospital - University of Michigan

Ann Arbor, MI

80% Patient experience rating, 11% higher than the national average

  • America’s 100 Best Hospitals for Gastrointestinal Care Award™ (2020, 2019, 2018)
  • America’s 100 Best Hospitals for General Surgery Award™ (2020, 2019, 2018)
  • America's 250 Best Hospitals Award™ (2020, 2019, 2018)
  • Outstanding Patient Experience Award™ (2020)