Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Alexandra Adrien, MSW
Social Worker in Hicksville, NY · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427838804
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Registry record
Entity type Individual (Type 1)
Name Ms. Alexandra Adrien
Credential MSW
Sex Female
Practice address 950 S Oyster Bay Rd, Hicksville, NY, 11801
Phone (917) 446-9546
Enumeration date Oct 3, 2023
Last updated in NPPES Oct 3, 2023
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 Alexandra Adrien?
The National Provider Identifier (NPI) for Alexandra Adrien is 1427838804, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexandra Adrien practice?
The practice location on file with NPPES is in Hicksville, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Central Nassau Guidance & Counseling Services, Inc. Community/Behavioral Health Agency · Hicksville, NY NPI 1114928462 Asma Ejaz Psychiatry Physician · Hicksville, NY NPI 1841259892 Lydia Mechanick Clinical Social Worker · Hicksville, NY NPI 1396783312 Leeann Diedrick Clinical Social Worker · Hicksville, NY NPI 1063451599 Martin Merget Clinical Social Worker · Hicksville, NY NPI 1912948043 Kathleen Dawson Clinical Social Worker · Hicksville, NY NPI 1518909498 Cindy Floyd Clinical Social Worker · Hicksville, NY NPI 1114957487 Jennifer Jonas Addiction (Substance Use Disorder) Counselor · Hicksville, NY NPI 1205868916
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-03.