Diane Stack, RN

Diane Stack is a Registered Nurse provider (Registered Nurse) practicing in Enfield, CT, registered in the NPPES registry with NPI 1225180425 since 2007. The credential RN stands for Registered Nurse.

✓ Active NPI ✓ Valid NPI checksum

NPI	1225180425
Entity type	Individual (Type 1)
Name	Diane Stack
Credential	RN
Sex	Female
Practice address	36 MIDDLE RD, Enfield, CT, 06082
Phone	8607635669
Fax	8607635664
Enumeration date	2007-01-17
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
163W00000X	Registered Nurse	Primary	E45917	CT

RN — Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

Copy-ready billing details

Provider: Diane Stack, RN
NPI: 1225180425
Taxonomy: 163W00000X (Registered Nurse)
Address: 36 MIDDLE RD, Enfield, CT, 06082

Verify this record

Cross-check NPI 1225180425 against the authoritative CMS record: view Diane Stack on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Diane Stack?

Diane Stack is registered in NPPES with the primary taxonomy of Registered Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.