Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Grant Decastillia
Physician Assistant in Norfolk, VA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437047156
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Registry record
Entity type Individual (Type 1)
Name Grant Decastillia
Sex X
Practice address 425 W 20th St Ste 1, Norfolk, VA, 23517
Phone (757) 237-6566
Enumeration date Jun 24, 2025
Last updated in NPPES Jun 24, 2025
Taxonomy & licenses
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 Grant Decastillia?
The National Provider Identifier (NPI) for Grant Decastillia is 1437047156, a Type 1 (individual) record in the CMS NPPES registry.
Where does Grant Decastillia practice?
The practice location on file with NPPES is in Norfolk, VA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-24.