Sierra Williams B.A.
About this NPIWhat this record shows.
NPI 1649789330 is registered to Sierra Williams B.A., a Specialist practising at 2825 W Rumble Rd in Modesto, California. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sierra Williams B.A. has been enumerated in the National Provider Identifier (NPI) registry since 2017.
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 Sierra Williams B.A. accepts. To confirm in-network status with your specific health plan, contact Sierra Williams B.A. directly at (209) 579-9444.
Frequently asked
Yes. NPI 1649789330 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (209) 579-9444.
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. Sierra Williams B.A. is a Type-1 individual NPI.