ARS OF ABERDEEN LLC
NPI 1821491598
Clinic/Center - Methadone in Aberdeen, MD

Q: What is Ars Of Aberdeen LLC's NPI number?

The NPI number for Ars Of Aberdeen LLC is 1821491598. It was assigned to this organization in the NPPES registry on October 8, 2014. The provider is doing business as Addiction Recovery Systems.

Q: What is Ars Of Aberdeen LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Methadone, with taxonomy code 261QM2800X.

Active since October 08, 2014CLIA 21D2090988 · Waiver

24 W BEL AIR AVE # 26, ABERDEEN, MD 21001(410) 272-0230(410) 272-0232 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 24, 2026, Jan 8, 2026, Sep 13, 2022 and 3 more (6 updates tracked since 2016).

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About Ars Of Aberdeen Llc NPPES

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

ARS OF ABERDEEN LLC (NPI 1821491598), doing business as Addiction Recovery Systems, is a healthcare organization registered as a methadone in Aberdeen, Maryland and active in the NPI registry since October 2014. The organization holds a CLIA Waiver certificate valid through February 2, 2027 and lists Jennifer Keen, Chief Clinical And Operating Office, as its authorized official.

NPPES Registry Identity

NPI1821491598

Entity TypeOrganization

Primary Taxonomy261QM2800X

Legal Business NameARS OF ABERDEEN LLC

Location Address24 W BEL AIR AVE # 26Aberdeen, MD 21001-3235

Mailing Address150 Onix DrKennett Square, PA 19348-1886 · (484) 731-2500

Phone(410) 272-0230

Fax(410) 272-0232

Organization SubpartNo

Authorized OfficialJennifer KeenChief Clinical And Operating Office · (484) 731-2500

Enumeration DateOctober 8, 2014

Last NPPES UpdateMarch 24, 20266 updates tracked since enumeration

NPPES CertifiedMarch 24, 2026

✔ NPI 1821491598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · MethadoneAmbulatory Health Care Facilities

Taxonomy Code261QM2800X

License✔ Licensed in MD · 905147

Definition

An entity, facility, or distinct part of a facility providing diagnostic, and replacement maintenance treatment services related to individuals with drug addiction.

24 W BEL AIR AVE # 26, Aberdeen, MD 21001

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Other Names 1

Doing Business AsAddiction Recovery Systems

Other Identifiers 1

Medicaid4230710-00MD

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 21D2090988

Ars Aberdeen LLC · Aberdeen, MD

Active · expires Feb 2, 2027

CLIA Number21D2090988

Laboratory TypeOutpatient Substance Abus

Certificate Effective DateFebruary 3, 2025

Certificate Expiration DateFebruary 2, 2027

Laboratory DirectorLee E. Tannenbaum

Laboratory Phone(410) 272-0230

Laboratory LocationArs Aberdeen LLC24 W Bel Air Ave, Aberdeen, MD 21001

CLIA data matches this NPI record on: Address Phone

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Take-home supply of methadone; up to 7 additional day supply (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure G2078

This service provides an additional 7-day supply of methadone, a medication used to treat opioid addiction, for patients to take at home. It's provided by a Medicare-enrolled opioid treatment program. This service is billed separately from the main treatment procedure.

320 services16 patients

Medication assisted treatment, methadone; weekly bundle including dispensing and/or administration, substance use counseling, individual and group therapy, and toxicology testing, if performed (provision of the services by a medicare-enrolled opioid treatm G2067

Medication Assisted Treatment (MAT) with methadone is a comprehensive approach to manage opioid addiction. It includes weekly methadone dispensing, substance use counseling, individual and group therapy sessions, and toxicology tests as needed, all provided by a Medicare-enrolled opioid treatment program.

302 services19 patients

Periodic assessment; assessing periodically by qualified personnel to determine the most appropriate combination of services and treatment (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for G2077

Periodic assessment is a routine check-up by trained professionals to determine the best mix of services and treatments for your health needs. This is typically provided by a Medicare-enrolled opioid treatment program. It's listed separately in addition to your main treatment code. This ensures you receive the most suitable care for your situation.

33 services14 patients

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 Ars Of Aberdeen LLC's NPI number?

The NPI number for Ars Of Aberdeen LLC is 1821491598. It was assigned to this organization in the NPPES registry on October 8, 2014. The provider is doing business as Addiction Recovery Systems.

Where is Ars Of Aberdeen LLC located?

Ars Of Aberdeen LLC is located at 24 W Bel Air Ave # 26, Aberdeen, MD 21001. The listed phone number is (410) 272-0230.

What is Ars Of Aberdeen LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Methadone, with taxonomy code 261QM2800X.

Does Ars Of Aberdeen LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D2090988) is associated with this NPI, valid through February 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ars Of Aberdeen LLC was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.