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Treatment provider

Cornerstone: 4 Locations, Programs & Insurance

Cornerstone operates 4 treatment locations in our directory, in South Carolina. Services across its locations include intensive outpatient (iop), outpatient, medication-assisted treatment (mat), dual diagnosis, and telehealth. Locations are accredited by CARF.

Website: cornerstonecares.org

Cornerstone locations

Cornerstone – Greenwood

Greenwood, SC 29649

7.3Very goodStartDrugRehab Score 7.3 out of 10
2.9Google8 reviews

CARF accredited

Setting
Outpatient
Operator
Public
MAT
Offered

Levels of care

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

Payment accepted

Medicaid · Private insurance · Self-pay +1 more

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

Cornerstone – Abbeville

Abbeville, SC 29620

7.8Very goodStartDrugRehab Score 7.8 out of 10
5.0Google4 reviews

CARF accredited

Setting
Outpatient
Operator
Public
MAT
Offered

Levels of care

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

Payment accepted

Medicaid · Private insurance · Self-pay +1 more

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

Cornerstone – Edgefield

Edgefield, SC 29824

7.4Very goodStartDrugRehab Score 7.4 out of 10
2.3Google3 reviews

CARF accredited

Setting
Outpatient
Operator
Public
MAT
Offered

Levels of care

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

Payment accepted

Medicaid · Private insurance · Self-pay +1 more

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

Cornerstone – McCormick

Mc Cormick, SC 29835

7.6Very goodStartDrugRehab Score 7.6 out of 10
4.0Google2 reviews

CARF accredited

Setting
Outpatient
Operator
Public
MAT
Offered

Levels of care

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

Payment accepted

Medicaid · Private insurance · Self-pay +1 more

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

Programs offered

Level of careLocations
Intensive Outpatient (IOP)4 of 4
Outpatient4 of 4
Medication-Assisted Treatment (MAT)4 of 4
Dual Diagnosis4 of 4
Telehealth4 of 4

Frequently asked questions

How many locations does Cornerstone have?

Our directory lists 4 Cornerstone locations in South Carolina, based on SAMHSA FindTreatment.gov data. The operator may run other sites that are not listed.

What insurance does Cornerstone accept?

Payment options reported by its locations include Medicaid, Private Insurance, Cash / Self-Pay, and State-Funded / Low-Cost. Accepted plans differ by location, so verify your benefits with the specific facility. For a free insurance check, call (833) 589-6933.

Source: SAMHSA FindTreatment.gov, data updated October 2026. Locations are grouped by the website each facility lists. StartDrugRehab.com is not affiliated with Cornerstone.