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MC1 HEALTHCARE
NPI 1083883177
Substance Abuse Rehabilitation Facility in Canaan, CT

Active since February 22, 2008CLIA Certified · 2 labs
187 ROUTE 7, CANAAN, CT 06018(860) 824-1397(860) 824-4021 Get Directions Write a Review

NPPES record last updated: September 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 10, 2025, Oct 19, 2022 (2 updates tracked since 2022).

About Mc1 Healthcare NPPES

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

MC1 HEALTHCARE (NPI 1083883177) is a healthcare organization registered as a substance abuse rehabilitation facility in Canaan, Connecticut and active in the NPI registry since February 2008. The organization holds 2 active CLIA laboratory certificates and lists Michelle Williamson, Vp, Revenue Cycle, as its authorized official.

NPPES Registry Identity

NPI1083883177
Entity TypeOrganization
Primary Taxonomy324500000X
Legal Business NameMC1 HEALTHCARE
Location Address187 ROUTE 7Canaan, CT 06018
Mailing AddressPo Box 717Canaan, CT 06018 · (860) 824-1397 · Fax (888) 789-2815
Phone(860) 824-1397
Fax(860) 824-4021
Organization SubpartNo
Authorized OfficialMichelle WilliamsonVp, Revenue Cycle · (860) 362-5232
Enumeration DateFebruary 22, 2008
Last NPPES UpdateSeptember 10, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 10, 2025
✔ NPI 1083883177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySubstance Abuse Rehabilitation FacilityResidential Treatment Facilities
Taxonomy Code324500000X
License✔ Licensed in CT · SA0187
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.

187 ROUTE 7, Canaan, CT 06018
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CLIA Laboratory Certificates CMS CLIA 2

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 07D2020959

Mc1 Healthcare D/B/A- Mountainside Treatment Center · Canaan, CT
Active · expires Mar 24, 2028
CLIA Number07D2020959
Laboratory TypeSubstance Abuse Trt Ctr
Certificate Effective DateMarch 25, 2026
Certificate Expiration DateMarch 24, 2028
Laboratory DirectorKaren Oflynn
Laboratory Phone(860) 824-1397
Laboratory LocationMc1 Healthcare D/B/A- Mountainside Treatment Center187 S Canaan Road, Canaan, CT 06018
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 07D2117813

Mc1 Healthcare Dba Mountainside Treatment Center · Wilton, CT
Active · expires Apr 2, 2027
CLIA Number07D2117813
Laboratory TypeSubstance Abuse Treatment
Certificate Effective DateApril 3, 2025
Certificate Expiration DateApril 2, 2027
Laboratory DirectorKaren Oflynn
Laboratory Phone(860) 824-1397
Laboratory LocationMc1 Healthcare Dba Mountainside Treatment Center372 Danbury Rd, Wilton, CT 06897
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 Mc1 Healthcare's NPI number?

The NPI number for Mc1 Healthcare is 1083883177. It was assigned to this organization in the NPPES registry on February 22, 2008.

Where is Mc1 Healthcare located?

Mc1 Healthcare is located at 187 Route 7, Canaan, CT 06018. The listed phone number is (860) 824-1397.

What is Mc1 Healthcare's specialty?

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

Does Mc1 Healthcare hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Mc1 Healthcare was last updated on September 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.