Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Karen E Sein Ohn, MD

Individual provider Gastroenterology Physician · NPI 1518119536

Karen E Sein Ohn, MD is a Gastroenterology Physician in Granite City, Illinois. Works from 2 locations. Licensed in Michigan.

Licensed in
MI
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2100 Madison Ave
Granite City, IL 62040-4713
Phone: (618) 798-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 100 Cherry St Se, Grand Rapids, MI 49503-4526 — (616) 965-8200

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 4301069021 (MI)

Record details

NPI number1518119536
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 22, 2008
Last updated in NPPESJuly 14, 2021
Certification dateJuly 14, 2021
Mailing address2100 Madison Ave, Granite City, IL 62040-4713

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