Mark B. Messmer
Mark B. Messmer is listed in the official congressional member registry for IN (House of Representatives).
- Bioguide Id
- M001233
- State
- IN
- Party
- Republican
- Chamber
- House of Representatives
- Active
- true
Primary source: Official U.S. House member profile
Verified: 2026-09-16T17:11:35.387Z
What this establishes
Identity and current congressional-office information returned by an official congressional source.
What this does not establish
This page does not rate the official, infer ideology or motive, or treat an officeholder's associations as proof of wrongdoing.