GUARDIAN RECOVERY - PLYMOUTH HOUSE, LLC
NPI 1891386793
Substance Abuse Rehabilitation Facility in Plymouth, NH

Q: What is Guardian Recovery - Plymouth House, LLC's specialty?

The primary specialty registered for this NPI is Substance Abuse Rehabilitation Facility with taxonomy code 324500000X.

Active since February 02, 2021CLIA 30D2207982 · Waiver

446 MAIN ST, PLYMOUTH, NH 03264(603) 536-5500 Get Directions Write a Review

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

Record update history: Jan 23, 2026, Sep 2, 2024, Feb 2, 2021 (3 updates tracked since 2021).

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About Guardian Recovery - Plymouth House, Llc NPPES

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

GUARDIAN RECOVERY - PLYMOUTH HOUSE, LLC (NPI 1891386793), doing business as The Plymouth House, Llc, is a healthcare organization registered as a substance abuse rehabilitation facility in Plymouth, New Hampshire and active in the NPI registry since February 2021. The organization holds a CLIA Waiver certificate valid through January 3, 2027 and lists Justin Williams, Exec, as its authorized official.

NPPES Registry Identity

NPI1891386793

Entity TypeOrganization

Primary Taxonomy324500000X

Legal Business NameGUARDIAN RECOVERY - PLYMOUTH HOUSE, LLC

Location Address446 MAIN STPlymouth, NH 03264-4521

Mailing Address3333 S Congress Ave Ste 402Delray Beach, FL 33445-7346

Phone(603) 536-5500

Organization SubpartNo

Authorized OfficialJustin WilliamsExec · (561) 843-5904

Enumeration DateFebruary 2, 2021

Last NPPES UpdateJanuary 23, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 23, 2026

✔ NPI 1891386793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySubstance Abuse Rehabilitation FacilityResidential Treatment Facilities

Taxonomy Code324500000X

Definition

A facility or distinct part of a facility that provides a 24 hr therapeutically planned living and rehabilitative intervention environment for the treatment of individuals with disorders in the abuse of drugs, alcohol, and other substances.

Also ListedClinic/Center · Rehabilitation, Substance Use DisorderTaxonomy 261QR0405X

446 MAIN ST, Plymouth, NH 03264

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Other Names 1

Former Legal Business NameThe Plymouth House, Llc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Harvard Pilgrim Health Care.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 30D2207982

Guardian Recovery - Plymouth House, LLC · Plymouth, NH

Active · expires Jan 3, 2027

CLIA Number30D2207982

Laboratory TypeAncillary Testing Site In Health Care Center

Certificate Effective DateJanuary 4, 2025

Certificate Expiration DateJanuary 3, 2027

Laboratory DirectorTamer W. Wassef

Laboratory Phone(603) 536-5500

Laboratory LocationGuardian Recovery - Plymouth House, LLC446 Main St, Plymouth, NH 03264

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 2

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

SARAH MICHEL

Student in an Organized Health Care Education/Training Program

446 MAIN ST
PLYMOUTH, NH 03264

Grafton County (603) 536-5500

JOSEPH DEMERS LADC

Counselor (Addiction (Substance Use Disorder))

446 MAIN ST
PLYMOUTH, NH 03264

Grafton County (603) 707-4496

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 Guardian Recovery - Plymouth House, LLC's NPI number?

The NPI number for Guardian Recovery - Plymouth House, LLC is 1891386793. It was assigned to this organization in the NPPES registry on February 2, 2021. The provider was formerly known as The Plymouth House, LLC.

Where is Guardian Recovery - Plymouth House, LLC located?

Guardian Recovery - Plymouth House, LLC is located at 446 Main St, Plymouth, NH 03264. The listed phone number is (603) 536-5500.

What is Guardian Recovery - Plymouth House, LLC's specialty?

The primary specialty registered for this NPI is Substance Abuse Rehabilitation Facility with taxonomy code 324500000X.

Does Guardian Recovery - Plymouth House, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 30D2207982) is associated with this NPI, valid through January 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Guardian Recovery - Plymouth House, LLC accept?

Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care list Guardian Recovery - Plymouth House, 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 Guardian Recovery - Plymouth House, LLC was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.