Lhien Singh Sin FNP
About this NPIWhat this record shows.
NPI 1366394389 is registered to Lhien Singh Sin FNP, a Family Nurse Practitioner practising at 5184 Tex Oak Ave in Dallas, Texas. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Lhien Singh Sin FNP has been enumerated in the National Provider Identifier (NPI) registry since 2026.
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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 Lhien Singh Sin FNP accepts. To confirm in-network status with your specific health plan, contact Lhien Singh Sin FNP directly at (214) 590-5927.
Frequently asked
Yes. NPI 1366394389 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Nurse Practitioner 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 (214) 590-5927.
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. Lhien Singh Sin FNP is a Type-1 individual NPI.