CORNERSTONE
NPI 1053340273
Clinic/Center - Rehabilitation, Substance Use Disorder in Greenwood, SC

Q: What is Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

Active since July 01, 2006CLIA 42D2056040 · Waiver

1420 SPRING ST, GREENWOOD, SC 29646(864) 227-1001(864) 227-3619 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Cornerstone NPPES

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

CORNERSTONE (NPI 1053340273) is a healthcare organization registered as a rehabilitation, substance use disorder in Greenwood, South Carolina and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through March 20, 2027 and lists David Dewitt Matthews, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1053340273

Entity TypeOrganization

Primary Taxonomy261QR0405X

Legal Business NameGREENWOOD-EDGEFIELD-MCCORMICK-ABBEVILLE COMMISSION ON ALCOHOL AND DRUG

Location Address1420 SPRING STGreenwood, SC 29646-4057

Mailing Address1420 Spring StGreenwood, SC 29646-4057 · (864) 227-1001 · Fax (864) 227-3619

Phone(864) 227-1001

Fax(864) 227-3619

Organization SubpartNo

Authorized OfficialDavid Dewitt MatthewsExecutive Director · (864) 227-1001

Enumeration DateJuly 1, 2006

Last NPPES UpdateAugust 22, 2020

✔ NPI 1053340273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Rehabilitation, Substance Use DisorderAmbulatory Health Care Facilities

Taxonomy Code261QR0405X

License✔ Licensed in SC · OTP-029

1420 SPRING ST, Greenwood, SC 29646

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Other Names 1

Doing Business AsCornerstone

Other Identifiers 1

MedicaidAD07GMSC

Accepted Insurance

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

CLIA Laboratory Certificates CMS CLIA

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 42D2056040

Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug Abuse · Greenwood, SC

Active · expires Mar 20, 2027

CLIA Number42D2056040

Laboratory TypeOutpatient Treatment

Certificate Effective DateMarch 21, 2025

Certificate Expiration DateMarch 20, 2027

Laboratory DirectorLaurie Fallaw

Laboratory Phone(864) 227-1001

Laboratory LocationGreenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug Abuse1612 Rivers Street, Greenwood, SC 29649

CLIA data matches this NPI record on: Name Phone

This certificate is issued to a laboratory to perform only waived tests.

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 Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug's NPI number?

The NPI number for Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug is 1053340273. It was assigned to this organization in the NPPES registry on July 1, 2006. The provider is doing business as Cornerstone.

Where is Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug located?

Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug is located at 1420 Spring St, Greenwood, SC 29646. The listed phone number is (864) 227-1001.

What is Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

Does Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 42D2056040) is associated with this NPI, valid through March 20, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina and BlueCross BlueShield of South Carolina list Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug 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 Greenwood-Edgefield-Mccormick-Abbeville Commission On Alcohol And Drug was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.