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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.

ADDICTION CENTER OF NASHVILLE LLC
NPI 1649764911
Internal Medicine - Addiction Medicine in Columbia, TN

Active since June 19, 2018CLIA 44D2178490 · Waiver
1300 HATCHER LN STE 5, COLUMBIA, TN 38401(931) 548-3177(931) 548-3177 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 17, 2019, Jun 19, 2018 (2 updates tracked since 2018).

About Addiction Center Of Nashville Llc NPPES

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

ADDICTION CENTER OF NASHVILLE LLC (NPI 1649764911), doing business as Ruth Clinic, is a healthcare organization registered as an addiction medicine in Columbia, Tennessee and active in the NPI registry since June 2018. The organization holds a CLIA Waiver certificate valid through February 3, 2028, maintains a secondary practice location in Columbia, and lists Ruth Marcia Rothman, Ceo, as its authorized official.

NPPES Registry Identity

NPI1649764911
Entity TypeOrganization
Primary Taxonomy207RA0401X
Legal Business NameADDICTION CENTER OF NASHVILLE LLC
Location Address1300 HATCHER LN STE 5Columbia, TN 38401-3554
Mailing Address1300 Hatcher Ln Ste 5Columbia, TN 38401-3554 · (931) 548-3177 · Fax (931) 548-3177
Phone(931) 548-3177
Fax(931) 548-3177
Organization SubpartNo
Authorized OfficialRuth Marcia RothmanCeo · (931) 548-3177
Enumeration DateJune 19, 2018
Last NPPES UpdateJune 30, 20262 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
✔ NPI 1649764911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RA0401X
Definition
An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine.
1300 HATCHER LN STE 5, Columbia, TN 38401
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Other Names 1

Doing Business AsRuth Clinic

Secondary Practice Location 1

Location 11300 Hatcher Ln Ste 5Columbia, TN 38401-3554 · Phone (931) 548-3177 · Fax (931) 548-3177

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health 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 44D2178490

Addiction Center Of Nashville Dba Ruth Clinic · Columbia, TN
Active · expires Feb 3, 2028
CLIA Number44D2178490
Laboratory TypePhysician Office
Certificate Effective DateFebruary 4, 2026
Certificate Expiration DateFebruary 3, 2028
Laboratory DirectorAnthony C. Ekwo
Laboratory Phone(931) 548-3177
Laboratory LocationAddiction Center Of Nashville Dba Ruth Clinic1300 Hatcher Ln, Ste 5, Columbia, TN 38401
CLIA data matches this NPI record on: Address 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 Addiction Center Of Nashville LLC's NPI number?

The NPI number for Addiction Center Of Nashville LLC is 1649764911. It was assigned to this organization in the NPPES registry on June 19, 2018. The provider is doing business as Ruth Clinic.

Where is Addiction Center Of Nashville LLC located?

Addiction Center Of Nashville LLC is located at 1300 Hatcher Ln Ste 5, Columbia, TN 38401. The listed phone number is (931) 548-3177.

What is Addiction Center Of Nashville LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.

Does Addiction Center Of Nashville LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 44D2178490) is associated with this NPI, valid through February 3, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Addiction Center Of Nashville LLC accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Addiction Center Of Nashville LLC 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 Addiction Center Of Nashville LLC was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.