Where the top 3 largest DSOs stand headed into 2025

Heartland Dental, The Aspen Group and PDS Health are the largest DSOs in the U.S.

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By: Ariana Portalatin

Here is where each of these organizations’ networks stand:

Heartland Dental (Effingham, Ill.)

More than 1,700 practices 

The Aspen Group (Chicago)

More than 1,300 practices

PDS Health (Henderson, Nev.)

More than 1,000 practices

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