Keystone Substance Abuse Services
Address, phone and website
As recorded in the SAMHSA directory. Phone lines and addresses change, so confirm on the facility website before you travel.
| Address | 199 South Herlong Avenue, Rock Hill, SC 29732 · Get directions |
|---|---|
| Phone on record | (803) 324-1800 |
| Website | keystoneyork.org |
| Federal listing | FindTreatment.gov, the treatment locator run by SAMHSA |
Where this facility is
Location as recorded in the SAMHSA directory.
About Keystone Substance Abuse Services
Based in Rock Hill, South Carolina, Keystone Substance Abuse Services has established itself as a trusted resource for individuals seeking addiction recovery services. The center's treatment philosophy centers on respect, dignity, and individualized care planning.
Services and programs
Profile as recorded in the SAMHSA Treatment Services Locator. Confirm current availability with the facility.
- Type of Care
- Substance use treatment · Detoxification
- Service Setting
- 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
- Opioid Medications used in Treatment
- Buprenorphine used in Treatment · Naltrexone used in Treatment
- External Opioid Medications Source
- In-network prescribing entity · Other contracted prescribing entity · No formal relationship with prescribing entity
- Type of Alcohol Use Disorder Treatment
- Accepts clients using medication assisted treatment for alcohol use disorder but prescribed elsewhere · This facility administers/prescribes medication for alcohol use disorder
- External Source of Medications Used for Alcohol Use Disorder Treatment
- In-network prescribing entity · Other contracted prescribing entity · No formal relationship with prescribing entity
- Type of Opioid Treatment
- Buprenorphine detoxification · Buprenorphine maintenance · Prescribes buprenorphine · Prescribes naltrexone · Relapse prevention with naltrexone · Accepts clients using MAT but prescribed elsewhere · Lofexidine or Clonidine detoxification · Maintenance service with medically supervised withdrawal after stabilization
- Pharmacotherapies
- 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
- Treatment Approaches
- 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
- Facility Operation
- Private non-profit organization
- License/Certification/Accreditation
- State Substance use treatment agency · State department of health · Commission on Accreditation of Rehabilitation Facilities (CARF)
- Payment/Insurance/Funding Accepted
- 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
Payment and insurance at Keystone Substance Abuse Services
| Payment type | In the SAMHSA profile |
|---|---|
| Medicaid | Listed |
| Medicare | Not listed |
| Private health insurance | Listed |
| Military insurance (TRICARE) | Not listed |
| State-financed plan other than Medicaid | Not listed |
| Cash or self-payment | Listed |
| Sliding fee scale | Listed |
Full payment list on record
Federal, or any government funding for substance use treatment programs, IHS/Tribal/Urban (ITU) funds, Medicaid, Private health insurance, Cash or self-payment and SAMHSA funding/block grants. Payment assistance: Payment assistance (check with facility for details) and Sliding fee scale (fee is based on income and other factors).
“Listed” means the facility reported that payment type to SAMHSA. It does not mean your plan is in network, so ask before the first visit. Marketplace plans must cover substance use treatment as an essential health benefit: HealthCare.gov. Coverage rules for public programs: Medicaid.
How this program compares in South Carolina
Keystone Substance Abuse Services lists 10 of the 17 services and payment options we track. The least common of them in South Carolina is residential treatment: 11 of 160 programs list it.
| Listed by this facility | South Carolina programs that list it |
|---|---|
| Residential treatment | 11 of 160 programs (7%) |
| Hospital inpatient treatment | 11 of 160 programs (7%) |
| Detox (medical withdrawal) | 14 of 160 programs (9%) |
| Sliding fee scale | 37 of 160 programs (23%) |
| Intensive outpatient (IOP) | 40 of 160 programs (25%) |
| Outpatient medication treatment for opioid use | 44 of 160 programs (28%) |
| CARF accreditation | 45 of 160 programs (28%) |
| Accepts private health insurance | 146 of 160 programs (91%) |
| Outpatient treatment | 147 of 160 programs (92%) |
| Accepts Medicaid | 148 of 160 programs (93%) |
Our count, October 9, 2026. We read the SAMHSA service profile of every South Carolina program in the directory: 160 of 204 have one. A program is counted when the service appears in its profile word for word. All South Carolina programs.
Common questions about Keystone Substance Abuse Services
Answers come from this facility’s record in the SAMHSA directory. Where the record is silent, there is no answer here.
Where is Keystone Substance Abuse Services located?
Keystone Substance Abuse Services is at 199 South Herlong Avenue, Rock Hill, SC 29732. This is the address on record in the federal SAMHSA directory.
What treatment does Keystone Substance Abuse Services provide?
Type of care on record: Substance use treatment and Detoxification. Settings on record: 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 and Short-term residential.
Does Keystone Substance Abuse Services offer methadone or buprenorphine?
Yes. Opioid treatment on record: Buprenorphine detoxification, Buprenorphine maintenance, Prescribes buprenorphine, Prescribes naltrexone, Relapse prevention with naltrexone, Accepts clients using MAT but prescribed elsewhere, Lofexidine or Clonidine detoxification and Maintenance service with medically supervised withdrawal after stabilization. Read how opioid treatment works.
Does Keystone Substance Abuse Services offer detox?
Yes. Detox is listed in the profile (residential, hospital inpatient). Substances on record: Alcohol Detoxification, Benzodiazepines Detoxification, Cocaine Detoxification, Methamphetamines detoxification, Opioids detoxification and Medication routinely used during detoxification. What to expect: medical detox.
Does Keystone Substance Abuse Services accept Medicaid, Medicare or private insurance?
In the SAMHSA profile: Medicaid is listed, Medicare is not listed and private health insurance is listed. The payment table has the full list. Plans differ, so ask the facility whether it is in your network. Our insurance guides explain what to ask.
Who does Keystone Substance Abuse Services treat?
Age groups accepted: Children/Adolescents. Sex accepted: Female and Male. Programs or groups on record: Adolescents, Young adults, Adult women, Pregnant/postpartum women, Adult men and Clients with co-occurring mental and substance use disorders.
Is Keystone Substance Abuse Services licensed or accredited?
The profile lists: State Substance use treatment agency, State department of health and Commission on Accreditation of Rehabilitation Facilities (CARF). Operated as: Private non-profit organization.
What languages does Keystone Substance Abuse Services offer?
Language services on record: Sign language services for the deaf and hard of hearing.
How do I contact Keystone Substance Abuse Services?
The phone on record is (803) 324-1800. Website: keystoneyork.org. Pathway Recovery is a directory and does not answer calls for this facility.
Nearby Treatment Centers in South Carolina
Closest listed facilities, by straight-line distance from this address.