Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Catherine Maikhanh Nguyen, MD
Dermatology Physician in Orange, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1295199552
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Registry record
Entity type Individual (Type 1)
Name Catherine Maikhanh Nguyen
Credential MD
Sex Female
Practice address 2501 E Chapman Ave Ste 407, Orange, CA, 92869
Phone (714) 628-3230
Enumeration date Apr 12, 2016
Last updated in NPPES Nov 9, 2021
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD 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 Catherine Nguyen?
The National Provider Identifier (NPI) for Catherine Nguyen is 1295199552, a Type 1 (individual) record in the CMS NPPES registry.
Where does Catherine Nguyen practice?
The practice location on file with NPPES is in Orange, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-09.