Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Josephine Patricia Duffy, CRNA

Nurse Practitioner in Sarasota, FL · enumerated 2006.

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

National Provider Identifier

1386684538

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Registry record

Entity type Individual (Type 1)

Name Ms. Josephine Patricia Duffy

Credential CRNA

Sex Female

Practice address 2999 S Tamiami Trl, Sarasota, FL, 34239

Phone (941) 918-4425

Enumeration date Jun 7, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 1439882 (FL) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA 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

How do I verify Josephine Duffy's NPI record?

Cross-check NPI 1386684538 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1386684538 active?

Yes, as of the latest NPPES snapshot, NPI 1386684538 is active (record last updated 2007-07-08).

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