NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Deanne Michelle Iannacchione, M ED. LADCI

Addiction (Substance Use Disorder) Counselor in Worcester, MA · enumerated 2007.

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

National Provider Identifier

1639201189

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Deanne Michelle Iannacchione
Credential M ED. LADCI
Sex Female
Practice address 95 Lincoln St, Worcester, MA, 01605
Phone (508) 799-9000
Fax (508) 756-0548
Enumeration date Mar 11, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 1547 (MA) Primary

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 does Deanne Iannacchione practice?
The practice location on file with NPPES is in Worcester, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Deanne Iannacchione?
The National Provider Identifier (NPI) for Deanne Iannacchione is 1639201189, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.