Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Marcy M Diaz, LPN
Registered Nurse in Isabela, PR · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417159351
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Registry record
Entity type Individual (Type 1)
Name Mrs. Marcy M Diaz
Credential LPN
Sex Female
Practice address Urb Islauzl 3005, Calle Jamaica, Isabela, PR, 00662
Phone (787) 830-2707
Fax (787) 830-0465
Enumeration date Jun 4, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
LPN · Licensed Practical Nurse: A nurse providing basic care under the direction of RNs and physicians.
About the LPN credential
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
Where does Marcy Diaz practice?
The practice location on file with NPPES is in Isabela, PR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marcy Diaz?
The National Provider Identifier (NPI) for Marcy Diaz is 1417159351, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.