Keystone Substance Abuse Services
199 South Herlong Avenue, Rock Hill, SC 29732Clinical specializations
- Residential
- IOP
- Medication Management
- Addiction Treatment
- Dual Diagnosis
- Teen Program
- Pregnancy & Postpartum Support
Financial accessibility
- Insurance Accepted
- Self-Pay Options
- Financial Assistance Available
Programs offered
- IOP
- residential
- outpatient
- detox
- buprenorphine maintenance
- psychiatry / medication management
Accreditation & licensing
Accreditations & designations
- CARF
Licensed as
- State substance use agency
- State department of health
As reported to SAMHSA by the facility. Confirm current standing with the accrediting body before making a decision.
Languages
- American Sign Language
Frequently asked questions about Keystone Substance Abuse Services
Does Keystone Substance Abuse Services accept insurance?+
Keystone Substance Abuse Services reports accepting Medicaid, Private insurance, and Self-pay, though this has not been independently verified — contact the facility directly to confirm your specific plan is covered.
What levels of care does Keystone Substance Abuse Services offer?+
Keystone Substance Abuse Services offers Hospital inpatient, Hospital inpatient detox, Outpatient, Regular outpatient, Intensive outpatient (IOP), Residential, Short-term residential, Residential detox, Outpatient MAT, IOP, residential, outpatient, detox, buprenorphine maintenance, and psychiatry / medication management.
What age groups does Keystone Substance Abuse Services serve?+
Keystone Substance Abuse Services serves children and teens.
What conditions or specialties does Keystone Substance Abuse Services treat?+
Keystone Substance Abuse Services lists the following areas of focus: dual diagnosis, teen, and pregnant/postpartum.
Is Keystone Substance Abuse Services accredited or licensed?+
Keystone Substance Abuse Services holds CARF and is licensed as State substance use agency and State department of health, as reported to SAMHSA. Confirm current standing with the accrediting body before making a decision.
Does Keystone Substance Abuse Services offer payment plans or financial assistance?+
Keystone Substance Abuse Services reports the following payment options: sliding scale and financial assistance.
What languages does Keystone Substance Abuse Services support?+
Keystone Substance Abuse Services reports support for American Sign Language.
Is Keystone Substance Abuse Services currently accepting new patients?+
Keystone Substance Abuse Services is currently accepting new patient inquiries.
Listing data sourced from the SAMHSA 2025 National Directory and reviewed before publication. Listing last updated August 2026. How our data works · Report an error