Sen-Siang Ong
About this NPIWhat this record shows.
NPI 1003400599 is registered to Sen-Siang Ong, a Behavior Technician practising at 1180 B St in Hayward, California. Behavior Technician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sen-Siang Ong has been enumerated in the National Provider Identifier (NPI) registry since 2021.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Sen-Siang Ong accepts. To confirm in-network status with your specific health plan, contact Sen-Siang Ong directly at (855) 223-7123.
Frequently asked
Yes. NPI 1003400599 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Behavior Technician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (855) 223-7123.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Sen-Siang Ong is a Type-1 individual NPI.