Happy Days Adh Program Inc. — NPI 1821374224
Happy Days Adh Program Inc.’s National Provider Identifier is 1821374224. NPPES classifies this as a Type 2 organization record and reports a practice location in Chelsea, Massachusetts. The primary taxonomy is Community/Behavioral Health Agency.
Key facts
- NPI
- 1821374224
- Entity type
- Type 2 organization
- NPPES status
- Active in the August 10, 2026 snapshot
- Practice location
- 217 SHURTLEFF ST
Chelsea, Massachusetts 02150 - Practice telephone
- (617) 331-3814
- Primary taxonomy
- Community/Behavioral Health Agency
- Enumeration date
- October 29, 2011
- NPPES last update
- October 29, 2011
- Source
- CMS NPPES, NPPES Data Dissemination August 2026 V2
Questions answered by the NPPES record
What is the NPI for Happy Days Adh Program Inc.?
The NPI listed for Happy Days Adh Program Inc. in the NPPES snapshot is 1821374224. The number passes the NPI check-digit test and is recorded as active in that snapshot.
Is NPI 1821374224 an individual or organization record?
NPPES records NPI 1821374224 as an Entity Type 2 record, which CMS assigns to an organization health care provider.
Where is the reported practice location?
The primary practice location reported to NPPES is 217 SHURTLEFF ST, Chelsea, Massachusetts 02150.
What taxonomy codes are listed for this NPI?
One taxonomy code is listed: Community/Behavioral Health Agency (251S00000X), the primary taxonomy. Names come from the NUCC Health Care Provider Taxonomy code set version 26.1; definitions are not reproduced.
When was the NPPES record last updated?
NPPES reports a last update date of October 29, 2011 and an enumeration date of October 29, 2011, as published in NPPES Data Dissemination August 2026 V2.
Source and data date
All facts on this page come from the Centers for Medicare & Medicaid Services (CMS) NPPES data dissemination file NPPES Data Dissemination August 2026 V2, released August 10, 2026 (snapshot date 2026-08-10). The record was reproduced from the main provider file without edits; only the fields listed on the methodology page are published.
CMS updates NPPES continuously and this page reflects a single monthly snapshot. Confirm current details in the official NPPES NPI Registry.
Directory pages
This profile is listed on the Chelsea, Massachusetts NPI directory and the Massachusetts NPI directory.
Other published profiles in Chelsea, MA
Up to ten other profiles this site publishes for Chelsea, listed alphabetically. Appearing together here indicates only a shared reported practice city, not any affiliation or relationship. The city page lists all 43 published profiles.
Independent service disclaimer
This directory is an independent, experimental publication of public NPPES fields. It is not affiliated with or endorsed by CMS, NPPES, Medicare, the American Medical Association, or the National Uniform Claim Committee. An NPI is an administrative identifier. Its presence here does not establish that a provider is licensed, credentialed, board certified, in good standing, accepting patients or insurance, employed by or affiliated with any organization, or currently practicing. Nothing on this page is medical, legal, or insurance advice.