Mrs. Catherine Mattei-Williams APRN, Rncs
About this NPIWhat this record shows.
NPI 1982791364 is registered to Mrs. Catherine Mattei-Williams APRN, Rncs, a Adult Psychiatric/Mental Health Clinical Nurse Specialist practising at 26 Central St in Somerville, Massachusetts. Adult Psychiatric/Mental Health Clinical Nurse Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Catherine Mattei-Williams APRN, Rncs has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- 28128250ANY· Issued by REGISTERED NURSE
- 70000133AIN· Issued by CLINICAL NURSE SPECIALIST
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20160516001910Certified Clinical Nurse Specialist (CNS)VT
Source: CMS PECOS public enrollment file.
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. Catherine Mattei-Williams APRN, Rncs accepts. To confirm in-network status with your specific health plan, contact Mrs. Catherine Mattei-Williams APRN, Rncs directly at (617) 591-6377.
Frequently asked
Yes. NPI 1982791364 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Adult Psychiatric/Mental Health Clinical Nurse 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 (617) 591-6377.
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. Catherine Mattei-Williams APRN, Rncs is a Type-1 individual NPI.