Private company
Medical Mutual of Ohio
Logo: medmutual.com3
Health insurance company
Medical Mutual of Ohio (MMOH) is an American mutual health insurance company. It is the oldest and largest health insurance company based in Cleveland, Ohio, and serves more than 1.6 million customers.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- Industryhealth insurance1
- HeadquartersCleveland1
- Websitewww.medmutual.com
- Legal formmutual insurance1
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Medical Mutual of Ohio (MMOH) is an American mutual health insurance company. It is the oldest and largest health insurance company based in Cleveland, Ohio, and serves more than 1.6 million customers.2
Corporate structure
Medical Mutual of Ohio sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Medical Mutual of Ohio Cleveland
- Medical Mutual Services, LLC Subsidiary ยท United States
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Subsidiaries and ownership
Subsidiaries
- Medical Mutual Services, LLC
From Wikidata.1
Timeline
- 1934Founded Founded1
Links
- Websitewww.medmutual.com1
- X (Twitter)x.com/medmutual1
- Facebookwww.facebook.com/MedMutual1
- WikipediaMedical Mutual of Ohio
- WikidataQ6806388
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1
- 2WikipediaMedical Mutual of Ohio on Wikipedia
- 3Company websiteMedical Mutual of Ohio logo