Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Donna Marie Allan
Registered Nurse in Sayville, NY · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598402042
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Donna Marie Allan
Sex Female
Practice address 20 Adams Way, Sayville, NY, 11782
Phone (631) 375-3536
Enumeration date May 17, 2022
Last updated in NPPES May 17, 2022
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 Donna Allan?
The National Provider Identifier (NPI) for Donna Allan is 1598402042, a Type 1 (individual) record in the CMS NPPES registry.
Where does Donna Allan practice?
The practice location on file with NPPES is in Sayville, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-17.