Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Cassidy Griger, PA-C
Physician Assistant in Danbury, CT · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902569288
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Registry record
Entity type Individual (Type 1)
Name Cassidy Griger
Credential PA-C
Sex Female
Practice address 40 Old Ridgebury Rd Ste 1, Danbury, CT, 06810
Phone (845) 230-5121
Enumeration date Oct 14, 2021
Last updated in NPPES Oct 14, 2021
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5408 (CT) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Cassidy Griger?
The National Provider Identifier (NPI) for Cassidy Griger is 1902569288, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cassidy Griger practice?
The practice location on file with NPPES is in Danbury, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-14.