Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mary Kim Hoang, O.D.
Optometrist in Tustin, CA · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861862906
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Registry record
Entity type Individual (Type 1)
Name Dr. Mary Kim Hoang
Credential O.D.
Sex Female
Practice address 1102 Irvine Blvd, Tustin, CA, 92780
Phone (714) 838-3210
Fax (714) 838-5702
Enumeration date Oct 1, 2015
Last updated in NPPES Nov 7, 2022
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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.
Frequently asked questions
What is the NPI number for Mary Hoang?
The National Provider Identifier (NPI) for Mary Hoang is 1861862906, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Hoang practice?
The practice location on file with NPPES is in Tustin, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-07.