The Mainstream Group, Inc
NPI 1043397466 · Substance Abuse Rehabilitation Facility · San Clemente, CA
The Mainstream Group, Inc is a Substance Abuse Rehabilitation Facility organization in San Clemente, CA (NPI 1043397466).
Provider details
- NPI number
- 1043397466
- Entity type
- Organization
- Primary specialty
- Substance Abuse Rehabilitation FacilityResidential Treatment Facilities
- Organization subpart
- No
- Authorized official
- Richard Cole, Executive Director(949) 366-9210
- License
- 300084IN (CA)
Specialties & taxonomies
Residential Treatment Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2020-08-22
Frequently asked questions
- What is The Mainstream Group, Inc's NPI number?
- The Mainstream Group, Inc's National Provider Identifier (NPI) is 1043397466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Mainstream Group, Inc?
- The Mainstream Group, Inc is classified in the NPPES registry as Substance Abuse Rehabilitation Facility (Residential Treatment Facilities).
- Where is The Mainstream Group, Inc located?
- The Mainstream Group, Inc's practice location on file with NPPES is 101 Avenida Serra, San Clemente, CA 92672-4760.
- What is The Mainstream Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for The Mainstream Group, Inc is (949) 366-9210.
- Who is the authorized official for The Mainstream Group, Inc?
- The authorized official listed on The Mainstream Group, Inc's NPPES record is Richard Cole, Executive Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Mainstream Group, Inc's NPI active?
- Yes — The Mainstream Group, Inc's NPI (1043397466) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.