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4 Best Partial Hospitalization Programs in Costa Mesa, CA (2026)

We list 4 partial hospitalization programs in Costa Mesa, CA, based on SAMHSA's FindTreatment.gov data. Compare services, insurance accepted and accreditation, or call for free help choosing.

  • 4Treatment facilities
  • 1Offer detox
  • 2Inpatient / residential
  • 0Accept Medicaid

Partial Hospitalization (PHP): the basics

A partial hospitalization program (PHP) is a highly structured form of addiction treatment where you attend therapy and medical care most of the day, usually five days a week, then go home at night. It typically involves about 20 or more hours of treatment each week and often lasts a few weeks before stepping down. Read the full guide →

2026 rankings

Top 4 partial hospitalization programs in Costa Mesa, CA

Ranked by the StartDrugRehab Score: accreditation, levels of care, patient ratings and payment options. Featured or claimed status never affects rank. How we rank

  1. Beginnings Treatment Centers

    Costa Mesa, CA

    8.6ExcellentStartDrugRehab Score 8.6 out of 10
    4.9Google100 reviews

    Best for: Private-pay residential careJoint Commission

    Why it made our list: Joint Commission accredited; offers detox, residential care, PHP, and IOP; accepts private insurance and TRICARE.

    View details
  2. Breakaway Health Corporation

    Costa Mesa, CA

    8.4ExcellentStartDrugRehab Score 8.4 out of 10
    4.9Google80 reviews

    Best for: Intensive outpatient careJoint CommissionNCQA

    Why it made our list: Joint Commission and NCQA accredited; offers PHP, IOP, MAT, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.

    View details
  3. Tree House Recovery

    Costa Mesa, CA

    8.1ExcellentStartDrugRehab Score 8.1 out of 10
    4.9Google159 reviews

    Best for: Intensive outpatient careJoint Commission

    Why it made our list: Joint Commission accredited; offers PHP, IOP, outpatient care, and dual diagnosis care; accepts private insurance, TRICARE, and self-pay.

    View details
  4. Newport Academy – Teen and Adolescent Residential

    Costa Mesa, CA

    7.5Very goodStartDrugRehab Score 7.5 out of 10
    2.3Google3 reviews

    Best for: Private-pay residential careJoint Commission

    Why it made our list: Joint Commission accredited; offers residential care, PHP, IOP, and outpatient care; accepts private insurance and self-pay.

    View details

See the best rehab centers in Costa Mesa, CA →

All partial hospitalization programs in Costa Mesa, CA

Beginnings Treatment Centers

Costa Mesa, CA 92626

8.6ExcellentStartDrugRehab Score 8.6 out of 10
4.9Google100 reviews

Joint Commission accredited

Setting
In/Outpatient
Operator
Private
MAT
Not listed

Levels of care

  • Detox
  • Inpatient / Residential
  • Partial Hospitalization
  • +3 more

Payment accepted

Private insurance · TRICARE

“Get help” calls our free helpline, not this facility.

7.5Very goodStartDrugRehab Score 7.5 out of 10
2.3Google3 reviews

Joint Commission accredited

Setting
In/Outpatient
Operator
Private
MAT
Not listed

Levels of care

  • Inpatient / Residential
  • Partial Hospitalization
  • Intensive Outpatient
  • +3 more

Payment accepted

Private insurance · Self-pay

“Get help” calls our free helpline, not this facility.

Breakaway Health Corporation

Costa Mesa, CA 92626

8.4ExcellentStartDrugRehab Score 8.4 out of 10
4.9Google80 reviews

Joint Commission · NCQA accredited

Setting
Outpatient
Operator
Private
MAT
Offered

Levels of care

  • Partial Hospitalization
  • Intensive Outpatient
  • Medication-Assisted Treatment
  • +2 more

Payment accepted

Private insurance · TRICARE · Self-pay +2 more

“Get help” calls our free helpline, not this facility.

Tree House Recovery

Costa Mesa, CA 92627

8.1ExcellentStartDrugRehab Score 8.1 out of 10
4.9Google159 reviews

Joint Commission accredited

Setting
Outpatient
Operator
Private
MAT
Not listed

Levels of care

  • Partial Hospitalization
  • Intensive Outpatient
  • Outpatient
  • +2 more

Payment accepted

Private insurance · TRICARE · Self-pay

“Get help” calls our free helpline, not this facility.

More options in Costa Mesa, CA

Partial Hospitalization Programs in other California cities

Frequently asked questions

How many partial hospitalization programs are in Costa Mesa, CA?

We list 4 partial hospitalization programs in Costa Mesa, CA, based on SAMHSA's FindTreatment.gov data (updated October 2026).

How do I choose the right program?

Look for state licensing and accreditation (The Joint Commission or CARF), the right level of care for your needs, evidence-based therapies, and insurance compatibility. Read our guide to choosing a rehab or call (833) 589-6933 to talk it through.

Will my insurance cover treatment?

Most private plans and Medicaid cover substance use treatment when it's medically necessary, but benefits vary by plan and network. Call (833) 589-6933 for a free, confidential benefits check.

Source: SAMHSA FindTreatment.gov, data updated October 2026. Listings are not endorsements.