Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Doanh Andrew Nguyen, M.D.
Specialist in Fountain Valley, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720090921
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Registry record
Entity type Individual (Type 1)
Name Dr. Doanh Andrew Nguyen
Credential M.D.
Sex Male
Practice address 10760 Warner Ave Ste 201, Fountain Valley, CA, 92708
Phone (714) 593-5356
Fax (714) 593-5366
Enumeration date Aug 13, 2006
Last updated in NPPES Sep 23, 2022
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G808140 | Medicaid | CA | - |
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
Where does Doanh Nguyen practice?
The practice location on file with NPPES is in Fountain Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Doanh Nguyen?
The National Provider Identifier (NPI) for Doanh Nguyen is 1720090921, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-23.