NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Flora Yu Harn Yen, DDS

General Practice Dentistry in Tucson, AZ · enumerated 2020.

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

National Provider Identifier

1679199574

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Flora Yu Harn Yen
Credential DDS
Sex Female
Practice address Tucson, AZ, 85719
Phone (520) 322-0600
Enumeration date Jun 17, 2020
Last updated in NPPES Feb 5, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

122300000X Dentist Dental Providers · License DDS-09763 (IA) Secondary
1223G0001X General Practice Dentistry Dental Providers · License D012339 (AZ) Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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 Flora Yen's NPI record?
Cross-check NPI 1679199574 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1679199574 active?
Yes, as of the latest NPPES snapshot, NPI 1679199574 is active (record last updated 2026-02-05).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-05.