NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Elizabeth Ann Duffy, CPNP

Pediatric Nurse Practitioner in Bloomfield Hills, MI · enumerated 2007.

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

National Provider Identifier

1942357009

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mrs. Elizabeth Ann Duffy
Credential CPNP
Sex Female
Practice address 5729 Pebbleshire Road, Bloomfield Hills, MI, 48301
Enumeration date Jan 4, 2007
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704190338 (MI) 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 Elizabeth Duffy practice?
The practice location on file with NPPES is in Bloomfield Hills, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Elizabeth Duffy?
The National Provider Identifier (NPI) for Elizabeth Duffy is 1942357009, a Type 1 (individual) record in the CMS NPPES registry.

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