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Keystone Substance Abuse Services

Rock Hill, SC

SAMHSA Verified Detox Inpatient IOP MAT
Specializes in Dual Diagnosis Pregnancy · Postpartum Adolescent · Teen Young Adults

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

What happens when you call

  • Free — no obligation to admit
  • Confidential — HIPAA + 42 CFR Part 2
  • Live person — no voicemail, 24/7
  • Insurance verified in minutes

Facility direct line available in the contact section below.

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Key takeaways for Keystone Substance Abuse Services

  • Detox · Inpatient · IOP · MAT offered on-site
  • Accepts Medicaid, Private insurance
  • SAMHSA-verified facility (U.S. Treatment Locator listing)
  • Direct facility line available below · Helpline free & confidential 24/7
  • Located in Rock Hill, SC

Always verify current programs, availability, and insurance in-network status directly with the facility or our contact details below.

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: May 2026. Always verify current programs and insurance directly with the facility.

Keystone Substance Abuse Services at a Glance

Programs, populations, and payments verified via SAMHSA Treatment Locator.

Levels 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 accepted

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 +2 more

Recovery support services

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

Confirm in-network status before admission. Verification is free.

Verify coverage

Medicaid

State-administered · Nominal copay or $0

Coverage details →

Medicare

Parts A/B/D · ~20% coinsurance

Private insurance

Aetna · BCBS · Cigna · UHC · etc.

Coverage details →

TRICARE / VA

Active duty · Retirees · Veterans

Self-pay / Cash

Payment plans often available

Sliding scale

Based on household income

Full payment 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: May 2026. Editorial policy.

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