A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
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Specialties & Research
Dr. William Hasler, MD is board certified in Internal Medicine and Gastroenterology.
He has special expertise in 8 Areas, including Esophageal Motility Disorders Dysmotilities, Functional Colonic Diseases Functional Bowel Disorders, and Gastrointestinal Diseases GI Diseases.5 more special expertise areas
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Education & Awards
Dr. Hasler graduated from University of Pennsylvania , Philadelphia. He has 2 awards.
Accepted Insurance Plans
Dr. Hasler accepts these health insurances in at least one office:
- Blue Cross Blue Shield of Michigan - 4 plans
- Humana - 2 plans
- Cigna - 2 plans
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- Additional Information
- Where does Dr. William L. Hasler practice?
Dr. William Hasler practices Internal Medicine and Gastroenterology near Ann Arbor, MI.
Additional practice locations include: Chelsea, MI and Livonia, MI.
See Ann Arbor Internists and Ann Arbor Gastroenterologists.
- Similar Physician Names
- Dr. Bill Hasler, Dr. Billy Hasler, Dr. Guillermo Hasler