Catherine Stamnes
About this NPIWhat this record shows.
NPI 1821889379 is registered to Catherine Stamnes, a Clinical Social Worker practising at 400 Estudillo Ave Ste 100 in San Leandro, California. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Catherine Stamnes has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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 Catherine Stamnes accepts. To confirm in-network status with your specific health plan, contact Catherine Stamnes directly at (510) 924-0548.
Frequently asked
Yes. NPI 1821889379 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 (510) 924-0548.
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. Catherine Stamnes is a Type-1 individual NPI.