Cornerstone

What Cornerstone does

Cornerstone of Southern California is a privately-held, family-owned addiction treatment and behavioral health provider headquartered in Santa Ana, Orange County, California, founded in 1984 by Dr. Michael Stone. The organization operates a full continuum of care for substance use disorders and co-occurring mental health conditions, including medically supervised detoxification, inpatient residential treatment, partial hospitalization (PHP), intensive outpatient programs (IOP), extended care, and licensed sober living. Treatment is delivered through a dual diagnosis framework, integrated with medication-assisted treatment (MAT), individual and group therapy, family and couples therapy, and an alumni aftercare program. Specialized tracks serve the LGBTQIA2+ community and individuals referred by drug courts and legal systems through the Alternative Sentencing Program.

The facility holds California Department of Health Care Services (DHCS) licensure (License Nos. 300017ZP and 300017AAP, valid through 2/29/2028), Incidental Medical Services (IMS) certification, Medication-Assisted Treatment (MAT) approval, and The Joint Commission National Quality Approval. It is in-network with approximately 17 major insurance carriers including Anthem, Optum, Tricare, United Healthcare, Cigna, Aetna, Blue Shield of California, Humana, Health Net, Oscar, and Magellan Health. Marketing is conducted through content-driven SEO, an educational blog on addiction and recovery topics, and city-specific landing pages spanning roughly 22 Southern California communities.

Revenue is generated through insurance-reimbursed clinical services; pricing is not publicly disclosed and the firm offers confidential benefit verification for prospective patients. Patient acquisition occurs through direct admissions (24/7 availability), insurance networks, and drug-court referral channels. No mobile app, software product, or technology platform is offered, and the business is fundamentally a clinical services operation rather than a technology-enabled one. Operations are regionally concentrated in Orange County and adjacent Southern California markets; no plans for multi-site expansion, M&A, or external capital raises are indicated in the available data.

Name

Cornerstone

Legal name

Cornerstone of Southern California

Website

https://cornerstonesocal.com

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

101–250 employees

Short description

Cornerstone of Southern California is a family-owned, DHCS-licensed addiction treatment and dual diagnosis provider in Santa Ana, Orange County, founded in 1984, offering detox, residential, PHP, IOP, MAT, sober living, and alumni services across Southern California.

Ownership category

akta.pro rank

Product category

Addiction Treatment and Behavioral Health Services

NAICS

Residential Mental Health and Substance Abuse Facilities (623220), Outpatient Mental Health and Substance Abuse Centers (621420), Residential Intellectual and Developmental Disability, Mental Health, and Substance Abuse Facilities (6232)

SIC

Services-Health Services (8000), Services-Specialty Outpatient Facilities, Nec (8093), Services-Social Services (8300)

akta.pro primary industry

Residential Substance Use Rehabilitation (Inpatient Rehab) (HLAFACAE)

akta.pro secondary industries

Outpatient Substance Use Disorder (SUD) Treatment Programs (HLAFABAD), Peer Support, Recovery Coaching & Sober Living Services (HLAFACAN), Residential Mental Health Treatment Centers (HLAFACAC)

Keywords

• Addiction treatment services
• Substance abuse rehab
• Dual diagnosis treatment
• Mental health counseling
• Medication assisted treatment

Headquarters

HQ city

Santa Ana

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Others

Revenue model

1. Healthcare Treatment Services: Cornerstone generates revenue through providing addiction treatment and mental health services, accepting payment from major insurance providers including Anthem, Optum, Tricare, United Healthcare, Cigna, Aetna, Blue Shield of California, Humana, and others. Services include inpatient rehabilitation, day treatment (PHP), intensive outpatient (IOP), medication-assisted treatment, and sober living programs.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Cornerstone of Southern California delivers licensed addiction treatment and mental health services to individuals suffering from alcohol and drug addiction. The offering spans a full continuum of care including medical detoxification, inpatient residential rehab, Partial Hospitalization (PHP), Intensive Outpatient (IOP), Extended Care, Medication-Assisted Treatment (MAT), sober living, and aftercare, delivered alongside dual diagnosis mental health counseling. Services are reimbursed primarily through insurance networks and supplemented by court-referred admissions through an Alternative Sentencing Program.

Product overview

Cornerstone of Southern California is a licensed addiction treatment center offering a comprehensive, full continuum of care for substance use disorders and co-occurring mental health conditions. The organization operates as a unified treatment platform providing multiple levels of care including medical detoxification, inpatient residential treatment (Inpatient Drug Rehab), Partial Hospitalization Program (PHP/Day Treatment), Intensive Outpatient Program (IOP), Extended Care Program (ECP), and licensed sober living/recovery homes. These programs are organized around specific substance categories (alcohol, opioids, stimulants, prescription drugs, cannabis, and synthetic drugs) and specialized populations (LGBTQIA2+, dual diagnosis, alternative sentencing). The treatment approach integrates Medication Assisted Treatment (MAT), individual therapy, group therapy, family therapy, and relapse prevention within a dual diagnosis framework. The portfolio functions as a coordinated care system where clients progress through different levels of care from detox through outpatient and aftercare support.

Differentiator

Problem solved

Functional benefit

Products and services

• Inpatient Drug Rehab

Quantifiable outcome

• Google Rating: 4.6 out of 5 stars based on 232 reviews

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• DHCS (California Department of Healthcare Services)coreOthersLicensed and certified by the State of California Department of Healthcare Services. This regulatory relationship ensures compliance with state standards for addiction treatment facilities and enables the facility to provide Medication-Assisted Treatment (MAT).
• The Joint CommissioncoreOthersAwarded The Joint Commission National Quality Approval - a nationally recognized healthcare accreditation demonstrating commitment to quality and patient safety standards.

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Ophelia: Telehealth MAT platform for opioid and alcohol use disorder treatment. Comparable partial-overlap because it has eroded residential/IOP admissions in markets including California, particularly for self-pay and commercially insured patients.
• Bicycle Health: Virtual MAT provider for opioid use disorder, treating patients across multiple U.S. states via telemedicine. Competes for the lower-acuity opioid segment that historically fed residential and IOP programs.

Broad incumbents

• American Addiction Centers: Publicly traded (delisted) multi-state operator of inpatient, outpatient, and detox SUD treatment facilities. Direct comparable on residential SUD service line, payer mix, and Joint Commission-accredited care model.
• Hazelden Betty Ford Foundation: Nation's most recognized nonprofit residential and outpatient SUD/MH provider, headquartered in Minnesota with multiple sites. Comparable on full continuum of care, dual-diagnosis capability, and broad in-network insurance posture.

Direct peers

• Pyramid Healthcare: Multi-site, PE-backed residential, IOP, PHP and detox operator in the Mid-Atlantic and other regions. Closely matches Cornerstone on residential and outpatient SUD levels of care, MAT services, and integrated dual diagnosis.
• Promises Behavioral Health: Multi-state residential and outpatient addiction and mental health treatment provider offering detox, residential, PHP, IOP and alumni services. Direct overlap with Cornerstone's clinical modalities and addiction-specific positioning.
• Soba Recovery Centers: Multi-state residential and outpatient addiction treatment operator with facilities in California including San Diego. Direct overlap on detox, residential, PHP, IOP continuum and dual-diagnosis capability within California.

Regional players

• Cycles of Change Recovery Services: Southern California drug and alcohol rehabilitation provider offering residential and outpatient care. Regional SoCal peer with overlapping service area, modalities, and payer-mix exposure to Cornerstone's Orange County market.
• Restore Health and Wellness Center: Drug and alcohol detox and residential treatment center in Southern California. Closely comparable on geographic footprint, residential detox focus, and addiction-only positioning in the SoCal market.
• The Clearing: SoCal-based residential addiction treatment program offering full continuum of care including detox and PHP/IOP. Regional competitor competing in the same Orange County/LA psychographic and payer footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/CornerstoneSoCa
• Facebookfacebook.com/cornerstoneofsocal

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Cornerstone