Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Maria Del C. Guisao, PHARMACIST
Pharmacist in Las Piedras, PR · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043504558
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Registry record
Entity type Individual (Type 1)
Name Mrs. Maria Del C. Guisao
Credential PHARMACIST
Sex Female
Practice address 198 Calle Tebas, Urb. Olympic Court C20, Las Piedras, PR, 00771
Phone (787) 285-0810
Fax (787) 285-0810
Enumeration date Jun 1, 2011
Last updated in NPPES Jun 1, 2011
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 Maria Guisao?
The National Provider Identifier (NPI) for Maria Guisao is 1043504558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Maria Guisao practice?
The practice location on file with NPPES is in Las Piedras, 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 2011-06-01.