Organization Profile
The Mainstream Group, INC
Unclaimed ProfileAbout The Mainstream Group, INC
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Practice Size
Counted from individual NPI records registered at the same street address; a shared building can inflate this.
Providers in This Building & Nearby
From registry street addresses: providers filed at this building, which can include unrelated practices sharing it.
- Gregory M. Young, CAS Addiction & Substance Abuse Counselor
- Martin B. Pennington, PsyD Psychologist — Clinical
- Lori M. Cattern, C.A.T.C. Case Manager / Care Coordinator
- Irene M. Hicks, CATC Addiction & Substance Abuse Counselor
- John E. Collings Addiction & Substance Abuse Counselor
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (949) 366-9210
- Email not available
Practice Locations
101 AVENIDA SERRA
San Clemente, CA 92672
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other substance abuse rehabilitation facility specialists in San Clemente 8
Same specialty, same city.
Common questions
What does The Mainstream Group, INC specialize in?
The Mainstream Group, INC is a substance abuse rehabilitation facility in San Clemente, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is The Mainstream Group, INC located?
The Mainstream Group, INC is listed at 101 Avenida Serra, San Clemente, CA 92672. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is The Mainstream Group, INC's phone number?
The number on file is (949) 366-9210. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is The Mainstream Group, INC's NPI number?
The Mainstream Group, INC's National Provider Identifier is 1043397466. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Has The Mainstream Group, INC confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by The Mainstream Group, INC. If this is you, claiming it is free.
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Is this your practice?
Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.