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Keystone Substance Abuse Services

Rock Hill, SC

SAMHSA Verified Detox Inpatient IOP MAT

Detox · Inpatient · IOP · MAT center · in Rock Hill, SC · Accepts Medicaid · Private · Serves adolescents.

Free helpline · 24/7

Need help choosing the right program?

Call helpline: +1 (205) 973-2878

Direct line to Keystone Substance Abuse S...: 803-324-1800

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About Keystone Substance Abuse Services

Private non-profit organization. Primary focus: substance use treatment, detoxification.

This listing is sourced from the SAMHSA Behavioral Health Treatment Services Locator. Data last synced: April 2026. Always verify current programs and insurance directly with the facility.

Quick Facts

Programs, populations, and payments verified via SAMHSA.

Level of care
Detox · Inpatient · IOP · MAT
Service settings
Hospital inpatient/24-hour hospital inpatient, Outpatient, Residential/24-hour residential, Hospital inpatient detoxification, Intensive outpatient treatment, Outpatient methadone/buprenorphine or naltrexone treatment, Regular outpatient treatment, Residential detoxification, Short-term residential
Therapy approaches
Anger management, Brief intervention, Cognitive behavioral therapy, Contingency management/motivational incentives, Motivational interviewing, Matrix Model, Relapse prevention, Substance use disorder counseling
Age groups
Children/Adolescents
Special populations
Adolescents, Young adults, Adult women, Pregnant/postpartum women, Adult men, Clients with co-occurring mental and substance use disorders
Medications used
Acamprosate (Campral®), Disulfiram, Buprenorphine with naloxone, Buprenorphine without naloxone, Buprenorphine (extended-release, injectable), Naltrexone (oral), Naltrexone (extended-release, injectable), Clonidine, Medication for mental disorders, Nicotine replacement
Recovery supports
Self-help groups, Housing services, Assistance with obtaining social services, Mentoring/peer support, Employment counseling or training
Facility operation
Private non-profit organization

Insurance & Payment Accepted

Verify coverage
Medicaid
Medicare
Private insurance
TRICARE / VA
Self-pay / Cash
Sliding scale

Full list from SAMHSA: Federal, or any government funding for substance use treatment programs; IHS/Tribal/Urban (ITU) funds; Medicaid; Private health insurance; Cash or self-payment; SAMHSA funding/block grants

Contact & Location

Address

199 South Herlong Avenue, Rock Hill, SC 29732

Get directions →

Facility direct line

803-324-1800

Frequently Asked Questions

Does Keystone Substance Abuse Services accept Medicaid?
Yes. According to SAMHSA data, Keystone Substance Abuse Services accepts Medicaid. Coverage specifics (copays, prior authorization) depend on the specific SC Medicaid plan. Call 803-324-1800 to verify your benefits.
What level of care does Keystone Substance Abuse Services offer?
This facility offers: Detox, Inpatient, IOP, MAT. Service settings include: Hospital inpatient/24-hour hospital inpatient, Outpatient, Residential/24-hour residential, Hospital inpatient detoxification, Intensive outpatient treatment, Outpatient methadone/buprenorphine or naltrexone treatment, Regular outpatient treatment, Residential detoxification, Short-term residential. Primary focus: Substance use treatment, Detoxification.
Does Keystone Substance Abuse Services have specialized programs?
Yes — this facility offers programs for: Adolescents, Young adults, Adult women, Pregnant/postpartum women, Adult men, Clients with co-occurring mental and substance use disorders.
What therapy methods does Keystone Substance Abuse Services use?
Evidence-based approaches listed with SAMHSA: Anger management, Brief intervention, Cognitive behavioral therapy, Contingency management/motivational incentives, Motivational interviewing, Matrix Model, Relapse prevention, Substance use disorder counseling, Trauma-related counseling, 12-step facilitation.
How do I start treatment at Keystone Substance Abuse Services?
Call the facility directly at 803-324-1800 for an intake assessment. Our free 24/7 helpline (+1 (205) 973-2878) can also help you compare programs, verify insurance, and navigate options. No physician referral is required.
Is treatment confidential?
Yes. Federal law (42 CFR Part 2) provides strict confidentiality protections for substance use treatment records — stricter than HIPAA. Records cannot be disclosed without written consent, even to family, employers, or law enforcement.
What happens when you call? (general intake process)

Most treatment centers follow a 4-step intake: (1) confidential assessment — substance history, mental health, insurance, preferences (protected by 42 CFR Part 2); (2) insurance verification — facility contacts your plan to confirm coverage and out-of-pocket costs; (3) level-of-care recommendation — clinical staff match you to detox, residential, PHP, IOP, or outpatient based on severity; (4) admission typically within 24–48 hours. Timing varies by facility and bed availability.

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Sources & References

  • SAMHSA — Behavioral Health Treatment Services Locator. Source of facility programs, services, and accepted payments.
  • SAMHSA — NSDUH, 2023.
  • CMS — Mental Health Parity and Addiction Equity Act (MHPAEA).
  • 42 CFR Part 2 — Confidentiality of SUD Patient Records.

Facility data last synced: April 2026. Editorial policy.

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