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MIDDLESEX HUMAN SERVICE AGENCY, INC.
NPI 1700394962
Substance Abuse Rehabilitation Facility in Boston, MA

Active since January 22, 2018CLIA 22D2209159 · Waiver
65 GLEN RD, BOSTON, MA 02130(617) 524-4416(617) 524-4450 Get Directions Write a Review

NPPES record last updated: September 20, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 20, 2021, Mar 17, 2018 (2 updates tracked since 2018).

About Middlesex Human Service Agency, Inc. NPPES

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

MIDDLESEX HUMAN SERVICE AGENCY, INC. (NPI 1700394962) is a healthcare organization registered as a substance abuse rehabilitation facility in Boston, Massachusetts and active in the NPI registry since January 2018. The organization holds a CLIA Waiver certificate valid through January 11, 2027, maintains 2 additional practice locations, and lists Robert Mills, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1700394962
Entity TypeOrganization
Primary Taxonomy324500000X
Legal Business NameMIDDLESEX HUMAN SERVICE AGENCY, INC.
Location Address65 GLEN RDBoston, MA 02130-3340
Mailing Address50 Prospect St Ste 3Waltham, MA 02453-8509 · (781) 894-6110 · Fax (781) 647-0412
Phone(617) 524-4416
Fax(617) 524-4450
Organization SubpartNo
Authorized OfficialRobert MillsChief Executive Officer · (781) 894-6110
Enumeration DateJanuary 22, 2018
Last NPPES UpdateSeptember 20, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2021
✔ NPI 1700394962 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 MA · 0280
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.
65 GLEN RD, Boston, MA 02130
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Secondary Practice Locations 2

Location 112 Lowell StWaltham, MA 02453-5254 · Phone (781) 899-2540
Location 25 G StSouth Boston, MA 02127-1408 · Phone (617) 268-7124 · Fax (617) 268-5572

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 22D2209159

Middlesex Human Service Agency · Waltham, MA
Active · expires Jan 11, 2027
CLIA Number22D2209159
Laboratory TypeCongregate Care
Certificate Effective DateJanuary 12, 2025
Certificate Expiration DateJanuary 11, 2027
Laboratory DirectorRobert Mills
Laboratory Phone(781) 894-6110
Laboratory LocationMiddlesex Human Service Agency50 Prospect St Ste 3, Waltham, MA 02453
CLIA data matches this NPI record on: Address 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 Middlesex Human Service Agency, Inc.'s NPI number?

The NPI number for Middlesex Human Service Agency, Inc. is 1700394962. It was assigned to this organization in the NPPES registry on January 22, 2018.

Where is Middlesex Human Service Agency, Inc. located?

Middlesex Human Service Agency, Inc. is located at 65 Glen Rd, Boston, MA 02130. The listed phone number is (617) 524-4416.

What is Middlesex Human Service Agency, Inc.'s specialty?

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

Does Middlesex Human Service Agency, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D2209159) is associated with this NPI, valid through January 11, 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 Middlesex Human Service Agency, Inc. was last updated on September 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.