MOUNTAINSIDE TREATMENT CENTER
NPI 1255710422
Substance Abuse Rehabilitation Facility in Canaan, CT

Active since May 21, 2015CLIA Certified · 2 labs
187 S CANAAN RD, CANAAN, CT 06018(860) 824-1397 Get Directions Write a Review

NPPES record last updated: May 21, 2015. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mountainside Treatment Center NPPES

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

MOUNTAINSIDE TREATMENT CENTER (NPI 1255710422) is a healthcare organization registered as a substance abuse rehabilitation facility in Canaan, Connecticut and active in the NPI registry since May 2015. The organization holds 2 active CLIA laboratory certificates and lists Stephen Langley, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1255710422
Entity TypeOrganization
Primary Taxonomy324500000X
Legal Business NameMC1 HEALTHCARE
Location Address187 S CANAAN RDCanaan, CT 06018-2544
Mailing Address187 S Canaan Rd, Po Box 717Canaan, CT 06018-2544 · (860) 824-1397
Organization SubpartNo
Authorized OfficialStephen LangleyExecutive Director · (860) 824-1397
Enumeration DateMay 21, 2015
NPI 1255710422 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 · 0388
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 S CANAAN RD, Canaan, CT 06018

Other Names 1

Other NameMountainside Treatment Center

CLIA Laboratory Certificates CMS CLIA 3

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 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.

Certificate of Waiver 33D2149093

Artemis Partners LLC Dba Mountainside Chappaqua · Chappaqua, NY
Active · expires Mar 26, 2027
CLIA Number33D2149093
Laboratory TypeComp. Outpatient Rehab Facility
Certificate Effective DateMay 24, 2018
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorSara A. Levine-Rovner
Laboratory Phone(860) 824-1397
Laboratory LocationArtemis Partners LLC Dba Mountainside Chappaqua480 Bedford Rd, Chappaqua, NY 10514
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 07D2020959

Mc1 Healthcare D/B/A- Mountainside Treatment Center · Canaan, CT
Expired · Mar 24, 2026
CLIA Number07D2020959
Laboratory TypeSubstance Abuse Trt Ctr
Certificate Effective DateMarch 25, 2024
Certificate Expiration DateMarch 24, 2026
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: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

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

Counselor (Addiction (Substance Use Disorder))
187 S CANAAN RD
CANAAN, CT 06018
Substance Abuse Rehabilitation Facility
187 S CANAAN RD
CANAAN, CT 06018
Counselor (Professional)
187 S CANAAN RD
CANAAN, CT 06018
Counselor (Mental Health)
187 S CANAAN RD
CANAAN, CT 06018
Psychiatry & Neurology (Addiction Psychiatry)
187 S CANAAN RD
CANAAN, CT 06018
Social Worker (Clinical)
187 S CANAAN RD
CANAAN, CT 06018
Marriage & Family Therapist
187 S CANAAN RD
CANAAN, CT 06018
Counselor (Professional)
187 S CANAAN RD
CANAAN, CT 06018

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 1255710422. It was assigned to this organization in the NPPES registry on May 21, 2015.

Where is Mc1 Healthcare located?

Mc1 Healthcare is located at 187 S Canaan Rd, 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 May 21, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.