Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kathleen R Bonaventura, APRN

Nurse Practitioner in Fairfield, CT · enumerated 2006.

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

National Provider Identifier

1821062175

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Registry record

Entity type Individual (Type 1)

Name Kathleen R Bonaventura

Credential APRN

Sex Female

Practice address 1305 Post Rd, Fairfield, CT, 06824

Phone (203) 292-2000

Fax (203) 255-5212

Enumeration date Feb 14, 2006

Last updated in NPPES Mar 15, 2010

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 002078 (CT) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

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

Is NPI 1821062175 active?

Yes, as of the latest NPPES snapshot, NPI 1821062175 is active (record last updated 2010-03-15).

How do I verify Kathleen Bonaventura's NPI record?

Cross-check NPI 1821062175 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-03-15.