Mrs. Mara Williams
Also known as
- Formerly known asBlock, Donnelly, Palmer, Martha
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1861544249 is registered to Mrs. Mara Williams, a Adult Health Nurse Practitioner practising at 3417 Valle Verde Dr in Napa, California. Adult Health Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Mara Williams has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 15902CA· Issued by NP FURNISHING NUMBER
- 15902CA· Issued by NP CERTIFICATE NUMBER
- 345522CA· Issued by RN LICENSE
Source: NPPES public registry.
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 Mrs. Mara Williams accepts. To confirm in-network status with your specific health plan, contact Mrs. Mara Williams directly at (707) 255-4172.
Frequently asked
Yes. NPI 1861544249 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Adult Health 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 (707) 255-4172.
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. Mrs. Mara Williams is a Type-1 individual NPI.