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DR. GARY HSZIEH D.D.S.
NPI 1225228638
Dentist - Dentist Anesthesiologist in Irvine, CA

Active since August 01, 2007

NPPES record last updated: May 17, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gary Hszieh D.d.s. NPPES

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

DR. GARY HSZIEH D.D.S. (NPI 1225228638) is an individual dentist anesthesiologist in Irvine, California, licensed in California (GA1553) and active in the NPI registry since August 2007.

NPPES Registry Identity

NPI1225228638
Entity TypeIndividualMale
Primary Taxonomy1223D0004X
Provider Legal NameDR. GARY HSZIEHCredential: D.D.S.
Location Address20 NATUREIrvine, CA 92620-3828
Mailing Address20 NatureIrvine, CA 92620-3828 · (949) 829-2488
Phone(949) 829-2488
Sole ProprietorYes
Enumeration DateAugust 1, 2007
Last NPPES UpdateMay 17, 2013
✔ NPI 1225228638 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyDentist · Dentist AnesthesiologistDental Providers
Taxonomy Code1223D0004X
License✔ Licensed in CA · GA1553
Definition
A dentist who has successfully completed an accredited postdoctoral anesthesiology residency training program for dentists of two or more years duration, in accord with Commission on Dental Accreditation's Standards for Dental Anesthesiology Residency Programs, and/or meets the eligibility requirements for examination by the American Dental Board of Anesthesiology.
Also ListedDentistTaxonomy 122300000X · License 59990 (CA)
Also ListedDentist · General PracticeTaxonomy 1223G0001X · License 019-026447 (IL)
20 NATURE, Irvine, CA 92620
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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 Gary Hszieh's NPI number?

The NPI number for Gary Hszieh is 1225228638. It was assigned to this individual provider in the NPPES registry on August 1, 2007.

Where is Gary Hszieh located?

Gary Hszieh practices at 20 Nature, Irvine, CA 92620. The listed phone number is (949) 829-2488.

What is Gary Hszieh's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Dentist Anesthesiologist, with taxonomy code 1223D0004X.

When was this NPI record last updated?

The NPPES record for Gary Hszieh was last updated on May 17, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.