Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Maria Esther Altreche
Pharmacist in Mayaguez, PR · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639463375
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Registry record
Entity type Individual (Type 1)
Name Mrs. Maria Esther Altreche
Sex Female
Practice address 2097 Ave Hostos, University Plaza, Mayaguez, PR, 00682
Phone (787) 805-4805
Enumeration date May 29, 2011
Last updated in NPPES May 29, 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
Where does Maria Altreche practice?
The practice location on file with NPPES is in Mayaguez, PR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Maria Altreche?
The National Provider Identifier (NPI) for Maria Altreche is 1639463375, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Yeimi Velez Pharmacist · Mayaguez, PR NPI 1639261589 Bernice Ortiz Pharmacist · Mayaguez, PR NPI 1659665222 Merleen Gonzalez Lopez Pharmacist · Mayaguez, PR NPI 1902194541 Coral Matos Pharmacist · Mayaguez, PR NPI 1518227875 Glamaris Rodriguez Pharmacist · Mayaguez, PR NPI 1982945572 Franchesca Muniz Pharmacist · Mayaguez, PR NPI 1164824140 Cristina Pagan-Montalvo Pharmacy · Mayaguez, PR NPI 1194236448
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-29.