Sydney Ferris Williams A.S.W.
Also known as
- Also known asFerris, Sydney E
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1114223989 is registered to Sydney Ferris Williams A.S.W., a Clinical Social Worker practising at 1800 Harrison St Fl 7 in Oakland, California. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sydney Ferris Williams A.S.W. has been enumerated in the National Provider Identifier (NPI) registry since 2011.
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 Sydney Ferris Williams A.S.W. accepts. To confirm in-network status with your specific health plan, contact Sydney Ferris Williams A.S.W. directly at (510) 625-2856.
Frequently asked
Yes. NPI 1114223989 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) 625-2856.
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. Sydney Ferris Williams A.S.W. is a Type-1 individual NPI.