Shirley Siff
About this NPIWhat this record shows.
NPI 1033302369 is registered to Shirley Siff, a Clinical Psychologist practising at 361 Plantation St, Umass Memorial Medical Center, Psychiatry in Worcester, Massachusetts. Clinical Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Shirley Siff has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Shirley Siff accepts. To confirm in-network status with your specific health plan, contact Shirley Siff directly at (508) 856-2537.
Frequently asked
Yes. NPI 1033302369 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Psychologist 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 (508) 856-2537.
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. Shirley Siff is a Type-1 individual NPI.