Where the top 3 largest DSOs stand heading into 2023

Heartland Dental, Aspen Dental and Pacific Dental Services are the three largest DSOs in the U.S., representing a collective 3,500 locations nationwide. 

Here is what each organization's network is looking like heading into 2023:

Heartland Dental (Effingham, Ill.)

1,600+ offices 

38 states 

Aspen Dental (Chicago)

1,000+ offices

43 states

Pacific Dental Services (Irvine, Calif.)

900+ offices 

25 states

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