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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- Currently 4 of 4 stars
The overall average patient rating of Dr. Bret Petersen, Gastroenterology is Excellent.
Specialties & Research
Dr. Bret Petersen, MD is board certified in Internal Medicine and Gastroenterology.
He has special expertise in 15 Areas, including Bile Duct Cancer, Bile Duct inflammation Sclerosing Cholangitis, and Biliary Tract Diseases.12 more special expertise areas
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Education & Awards
Dr. Petersen graduated from Mayo Medical School, Rochester. He has 6 awards.
Dr. Petersen has 3 hospital affiliations:
- Rochester Methodist Hospital
- St Marys Hospital - Rochester
- Mayo Clinic