Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Diana I Arroyo Millan
Pharmacy Technician in Hatillo, PR · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952420150
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Registry record
Entity type Individual (Type 1)
Name Mrs. Diana I Arroyo Millan
Sex Female
Practice address Carr 129 Km15 Bo Bayaney, Farmacia San Felipe, Hatillo, PR, 00659
Phone (787) 898-6378
Fax (787) 898-6378
Enumeration date Mar 28, 2007
Last updated in NPPES Jul 8, 2007
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 Diana Arroyo Millan?
The National Provider Identifier (NPI) for Diana Arroyo Millan is 1952420150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diana Arroyo Millan practice?
The practice location on file with NPPES is in Hatillo, PR. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.