Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexza Santiago-Dorvil, LMSW
Social Worker in Nyack, NY · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477260123
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Registry record
Entity type Individual (Type 1)
Name Alexza Santiago-Dorvil
Credential LMSW
Sex Female
Practice address 311 N Midland Ave, Nyack, NY, 10960
Phone (914) 345-5900
Enumeration date Nov 2, 2022
Last updated in NPPES Nov 2, 2022
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 Alexza Santiago-Dorvil practice?
The practice location on file with NPPES is in Nyack, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alexza Santiago-Dorvil?
The National Provider Identifier (NPI) for Alexza Santiago-Dorvil is 1477260123, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kenneth Zatz Pediatrics Physician · Nyack, NY NPI 1639270788 Maureen Cooney Pediatric Adolescent Medicine Physician · Nyack, NY NPI 1528131232 Kenneth H. Zatz, MD, PC Pediatrics Physician · Nyack, NY NPI 1316083314 Lawrence Glassman Specialist · Nyack, NY NPI 1477692440 Robert Stine Psychiatry Physician · Nyack, NY NPI 1902022833 Ahmadur Rahman Internal Medicine Physician · Nyack, NY NPI 1922261759 Azfar Chak Internal Medicine Physician · Nyack, NY NPI 1043475486 Gerald Ancheta Infectious Disease Physician · Nyack, NY NPI 1023273380
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-02.