Catherine Williams
About this NPIWhat this record shows.
NPI 1477921534 is registered to Catherine Williams, a Nephrology Registered Nurse practising at 1861 Grand Ave Apt A5 in North Baldwin, New York. Nephrology Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Catherine Williams has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Beyond the registryWhat this record adds.
This record carries 1 secondary identifier beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. Within the directory it is one of 8 Nephrology Registered Nurse providers on file in New York.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
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
- 322793NY· 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 Catherine Williams accepts. To confirm in-network status with your specific health plan, contact Catherine Williams directly at (516) 459-5266.
Frequently asked
Yes. NPI 1477921534 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Nephrology Registered Nurse 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 (516) 459-5266.
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 Williams is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 8 Nephrology Registered Nurse providers are registered in New York, and Catherine Williams is one of them. The figure refreshes each month from the federal source.