Individual provider · Type 1 NPI

Ammar Hassan, DO

Gastroenterology Physician · Munster, IN

NPI number 1023428877 Active

Practice location

9410 Calumet Ave Ste 401
Munster, IN 46321-0018

Call (219) 922-4900 Map

Fax (219) 836-9922

Other practice locations

  • 500 S Weber Rd, Romeoville, IL 60446-6528 · (815) 773-7732

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X02005989A (IN)
Internal Medicine Physician 207R00000X036153911 (IL)
Gastroenterology Physician Primary 207RG0100X2005989A (IN)
Gastroenterology Physician 207RG0100X036153911 (IL)

Gastroenterology Physician: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

9 other providers at this address

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About NPI 1023428877

Ammar Hassan, DO's National Provider Identifier is 1023428877, issued on May 2, 2014. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Munster, IN. The record was last updated on Dec 15, 2025.