Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mariene Enid Ostolaza Santiago, MSPT
Physical Therapist in Hato Rey, PR · enumerated 2015.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972983492
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Registry record
Entity type Individual (Type 1)
Name Mariene Enid Ostolaza Santiago
Credential MSPT
Sex Female
Practice address 500 Calle Baez, Urb. Perez Moris, Hato Rey, PR, 00919
Phone (787) 767-6710
Enumeration date Jun 1, 2015
Last updated in NPPES Jun 1, 2015
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 4508 (PR) Primary
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 Mariene Ostolaza Santiago?
The National Provider Identifier (NPI) for Mariene Ostolaza Santiago is 1972983492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mariene Ostolaza Santiago practice?
The practice location on file with NPPES is in Hato Rey, 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 2015-06-01.