DR. WILLIS WEI HSIEH DMD
NPI 1073165981
Dentist - General Practice in Hacienda Heights, CA

Q: What is Willis Hsieh's NPI number?

The NPI number for Willis Hsieh is 1073165981. It was assigned to this individual provider in the NPPES registry on July 11, 2019.

Q: What is Willis Hsieh's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for Willis Hsieh was last updated on July 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 11, 2019

2020 S HACIENDA BLVD STE A, HACIENDA HEIGHTS, CA 91745(626) 336-2588(626) 336-3337 Get Directions Write a Review

NPPES record last updated: July 11, 2019. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Willis Wei Hsieh Dmd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIS WEI HSIEH DMD (NPI 1073165981) is an individual general practice provider in Hacienda Heights, California, licensed in California (103975) and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1073165981

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIS WEI HSIEHCredential: DMD

Location Address2020 S HACIENDA BLVD STE AHacienda Heights, CA 91745-4265

Mailing Address2020 S Hacienda Blvd Ste AHacienda Heights, CA 91745-4265 · (626) 336-2588 · Fax (626) 336-3337

Phone(626) 336-2588

Fax(626) 336-3337

Sole ProprietorYes

Enumeration DateJuly 11, 2019

✔ NPI 1073165981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in CA · 103975

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

2020 S HACIENDA BLVD STE A, Hacienda Heights, CA 91745

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Willis Hsieh's NPI number?

The NPI number for Willis Hsieh is 1073165981. It was assigned to this individual provider in the NPPES registry on July 11, 2019.

Where is Willis Hsieh located?

Willis Hsieh practices at 2020 S Hacienda Blvd Ste A, Hacienda Heights, CA 91745. The listed phone number is (626) 336-2588.

What is Willis Hsieh's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Willis Hsieh was last updated on July 11, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.