Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Don Acorn Substance Abuse and Mental Health

Community/Behavioral Health Agency in Waterville, ME · enumerated 2010 · authorized official Don Acorn, Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1346556644

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Registry record

Entity type Organization (Type 2)

Legal business name Don Acorn Substance Abuse and Mental Health

Practice address 32 College Ave, Suite 206, Waterville, ME, 04901

Phone (207) 578-1771

Enumeration date Aug 24, 2010

Last updated in NPPES Aug 24, 2010

Taxonomy & classification

251S00000X Community/Behavioral Health Agency Agencies · License LC 7773 (ME) Primary

251S00000X Community/Behavioral Health Agency Agencies · License LC2309 (ME) Secondary

251S00000X Community/Behavioral Health Agency Agencies · License CCS3211 (ME) Secondary

Authorized official

Name Don Acorn

Title Manager

Phone (207) 578-1771

Other identifiers

Identifier	Type	State	Issuer
11537926	Other	ME	CAQH

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Don Acorn Substance Abuse and Mental Health located?

The practice location on file with NPPES is in Waterville, ME.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-08-24. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-08-24.