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SERENITY TREATMENT CENTER, INC.
NPI 1649636747
Counselor - Addiction (Substance Use Disorder) in Hagerstown, MD

Active since January 06, 2016CLIA 21D2118328 · Waiver
580 NORTHERN AVE, SUITE D, HAGERSTOWN, MD 21742(301) 732-5328 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Serenity Treatment Center, Inc. NPPES

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

SERENITY TREATMENT CENTER, INC. (NPI 1649636747) is a healthcare organization registered as an addiction (substance use disorder) in Hagerstown, Maryland and active in the NPI registry since January 2016. The organization holds a CLIA Waiver certificate valid through September 5, 2026 and lists Sean Nicholson, Ceo/owner, as its authorized official.

NPPES Registry Identity

NPI1649636747
Entity TypeOrganization
Primary Taxonomy101YA0400X
Legal Business NameSERENITY TREATMENT CENTER, INC.
Location Address580 NORTHERN AVE, SUITE DHagerstown, MD 21742-2847
Mailing Address580 Northern Ave Ste DHagerstown, MD 21742-2891 · (301) 732-5328
Phone(301) 732-5328
Organization SubpartNo
Authorized OfficialSean NicholsonCeo/owner · (240) 457-8874
Enumeration DateJanuary 6, 2016
Last NPPES UpdateMarch 10, 2026
NPPES CertifiedMarch 10, 2026
✔ NPI 1649636747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in MD · 905830
580 NORTHERN AVE, Hagerstown, MD 21742
Open in Google Maps ↗

Other Identifiers 1

Medicaid091900400MD

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 21D2118328

Serenity Treatment Center, Inc · Hagerstown, MD
Active · expires Sep 5, 2026
CLIA Number21D2118328
Laboratory TypeSud Outpatient Tx Ctr
Certificate Effective DateSeptember 6, 2024
Certificate Expiration DateSeptember 5, 2026
Laboratory DirectorChristine Marquardt
Laboratory Phone(301) 732-5328
Laboratory LocationSerenity Treatment Center, Inc580 Northern Ave #d, Hagerstown, MD 21740
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 5

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

HOWARD N. WEEKS, MD FAMILY PRACTICE, PA
Family Medicine
580 NORTHERN AVE
HAGERSTOWN, MD 21742
Washington County (301) 733-4496
MRS. LAURA LEIGH LABOITEAUX MPT
Physical Therapist
580 NORTHERN AVE
HAGERSTOWN, MD 21742
Washington County (301) 745-8915
MS. MICHELE KATHRYN EMMETT L.C.P.C./ L.P.C.
Counselor (Professional)
580 NORTHERN AVE
HAGERSTOWN, MD 21742
Washington County (301) 791-9760
FAMILY PRACTICE, HOWARD N WEEKS MD PA
Nursing Facility/Intermediate Care Facility
580 NORTHERN AVE, SUITE C
HAGERSTOWN, MD 21742
Washington County (301) 733-4496
DR. SHAHID MAHMOOD M.D,
Family Medicine
580 NORTHERN AVE
HAGERSTOWN, MD 21742
Washington County (301) 733-4496

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 Serenity Treatment Center, Inc.'s NPI number?

The NPI number for Serenity Treatment Center, Inc. is 1649636747. It was assigned to this organization in the NPPES registry on January 6, 2016.

Where is Serenity Treatment Center, Inc. located?

Serenity Treatment Center, Inc. is located at 580 Northern Ave Suite D, Hagerstown, MD 21742. The listed phone number is (301) 732-5328.

What is Serenity Treatment Center, Inc.'s specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Does Serenity Treatment Center, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D2118328) is associated with this NPI, valid through September 5, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Serenity Treatment Center, Inc. was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.