Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Giang Hong Duc Son, D.P.M
Podiatrist in Fairfield, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609078377
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Registry record
Entity type Individual (Type 1)
Name Giang Hong Duc Son
Credential D.P.M
Sex Male
Practice address 1620 Pennsylvania Ave, Suite A, Fairfield, CA, 94533
Phone (707) 426-5644
Fax (707) 426-3156
Enumeration date Jun 4, 2007
Last updated in NPPES Dec 15, 2021
Taxonomy & licenses
DPM · Doctor of Podiatric Medicine: A physician specializing in medical and surgical care of the foot and ankle.
About the DPM 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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Giang Son?
Giang Son is registered in NPPES with the primary taxonomy of Podiatrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-15.