Ms. Yiing Sin Tsay Msw
About this NPIWhat this record shows.
NPI 1093723447 is registered to Ms. Yiing Sin Tsay Msw, a Clinical Social Worker practising at 4545 Laclede Ave, #215 in Saint Louis, Missouri. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ms. Yiing Sin Tsay Msw has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
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 Ms. Yiing Sin Tsay Msw accepts. To confirm in-network status with your specific health plan, contact Ms. Yiing Sin Tsay Msw directly at (314) 749-2374.
Frequently asked
Yes. NPI 1093723447 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Social Worker 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 (314) 749-2374.
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. Ms. Yiing Sin Tsay Msw is a Type-1 individual NPI.