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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KEYSTONE BEHAVIORAL HEALTH
NPI 1255334009
Community/Behavioral Health in Rock Hill, SC

Active since May 24, 2005
199 S HERLONG AVE, ROCK HILL, SC 29732(803) 324-1800(803) 328-3831 Get Directions Write a Review

NPPES record last updated: June 23, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 30, 2023, Oct 14, 2020 (2 updates tracked since 2020).

About Keystone Behavioral Health NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEYSTONE BEHAVIORAL HEALTH (NPI 1255334009), doing business as York County Council On Alcohol And Drug Abuse, is a healthcare organization registered as a community/behavioral health in Rock Hill, South Carolina and active in the NPI registry since May 2005. The organization lists Kerri Mcguire, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1255334009
Entity TypeOrganization
Primary Taxonomy251S00000X
Legal Business NameKEYSTONE BEHAVIORAL HEALTH
Location Address199 S HERLONG AVERock Hill, SC 29732-1186
Mailing AddressPo Box 4437Rock Hill, SC 29732-6437 · (803) 324-1800 · Fax (803) 328-3831
Phone(803) 324-1800
Fax(803) 328-3831
Organization SubpartNo
Authorized OfficialKerri McguireExecutive Director · (803) 323-6851
Enumeration DateMay 24, 2005
Last NPPES UpdateJune 23, 20262 updates tracked since enumeration
NPPES CertifiedJune 23, 2026
✔ NPI 1255334009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyCommunity/Behavioral HealthAgencies
Taxonomy Code251S00000X
Definition
A private or public agency usually under local government jurisdiction, responsible for assuring the delivery of community based mental health, intellectual disabilities, substance abuse and/or behavioral health services to individuals with those disabilities. Services may range from companion care, respite, transportation, community integration, crisis intervention and stabilization, supported employment, day support, prevocational services, residential support, therapeutic and supportive consultation, environmental modifications, intensive in-home therapy and day treatment, in addition to traditional mental health and behavioral treatment.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X
Also ListedClinic/Center · Rehabilitation, Substance Use DisorderTaxonomy 261QR0405X · License DHEC OTP-44 (SC)
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X
Also ListedSubstance Abuse Rehabilitation FacilityTaxonomy 324500000X · License DHEC ITP-025 (SC)
199 S HERLONG AVE, Rock Hill, SC 29732
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Other Names 1

Former Legal Business NameYork County Council On Alcohol And Drug Abuse

Other Identifiers 3

MedicaidAD12YK-SCSC
Other19121Carf Certification Number
MedicaidL00915SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 42D1017381

Keystone Substance Abuse Services · Rock Hill, SC
Expired · Aug 1, 2026
CLIA Number42D1017381
Laboratory TypeOther
Certificate Effective DateAugust 2, 2024
Certificate Expiration DateAugust 1, 2026
Laboratory DirectorDanielle F. Russell
Laboratory Phone(803) 324-1800
Laboratory LocationKeystone Substance Abuse Services199 South Herlong Ave, Rock Hill, SC 29732
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Compliance 42D2266902

Keystone Substance Abuse Services · Rock Hill, SC
Expired · Jul 31, 2026
CLIA Number42D2266902
Laboratory TypeFederally Qualified Health Center
Certificate Effective DateJuly 19, 2024
Certificate Expiration DateJuly 31, 2026
Laboratory DirectorLindsey C. Flanagan
Laboratory Phone(803) 324-1800
Laboratory LocationKeystone Substance Abuse Services1668 Herlong Court, Rock Hill, SC 29732
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JANET C BUNCH MAC, CACII
Counselor (Addiction (Substance Use Disorder))
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 324-1800
DERRICK FOWLER
Counselor (Addiction (Substance Use Disorder))
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 324-1800
MR. ANDRE FERENC DEMETER
Peer Specialist
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 323-6841
VERNETTE PORTER
Counselor (Addiction (Substance Use Disorder))
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 324-1800
MRS. CHRISTINA L FERGUSON RN
Registered Nurse
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 324-0404
BRIAN REINERTSEN MSW, LMSW, CACP
Counselor (Addiction (Substance Use Disorder))
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 324-1800
TAKENYA SHANNON
Counselor (Addiction (Substance Use Disorder))
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 233-6394
YANIKA GAYMON
Counselor (Addiction (Substance Use Disorder))
199 S HERLONG AVE
ROCK HILL, SC 29732
York County (803) 324-1800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Keystone Behavioral Health's NPI number?

The NPI number for Keystone Behavioral Health is 1255334009. It was assigned to this organization in the NPPES registry on May 24, 2005. The provider was formerly known as York County Council on Alcohol and Drug Abuse.

Where is Keystone Behavioral Health located?

Keystone Behavioral Health is located at 199 S Herlong Ave, Rock Hill, SC 29732. The listed phone number is (803) 324-1800.

What is Keystone Behavioral Health's specialty?

The primary specialty registered for this NPI is Community/Behavioral Health with taxonomy code 251S00000X.

What insurance does Keystone Behavioral Health accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina, InStil Health and Molina Healthcare list Keystone Behavioral Health as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Keystone Behavioral Health was last updated on June 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.