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

The Mainstream Group, Inc

Organization Substance Abuse Rehabilitation Facility · NPI 1043397466

The Mainstream Group, Inc is a Substance Abuse Rehabilitation Facility in San Clemente, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

101 Avenida Serra
San Clemente, CA 92672-4760
Phone: (949) 366-9210
Fax: (949) 498-5706
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Substance Abuse Rehabilitation Facility (primary) Taxonomy 324500000X · Licence 300084IN (CA)

Record details

NPI number1043397466
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Richard Cole — Executive Director · (949) 366-9210
NPI enumeratedNovember 1, 2006
Last updated in NPPESAugust 22, 2020
Mailing address101 Avenida Serra, San Clemente, CA 92672-4760

Other providers in San Clemente