Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Miss Hatsuko Otsuka, LCSW
Clinical Social Worker in Bronx, NY · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1689801375
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Registry record
Entity type Individual (Type 1)
Name Miss Hatsuko Otsuka
Credential LCSW
Sex Female
Practice address 760 E 160th St, Bronx, NY, 10456
Phone (347) 503-5527
Enumeration date Jun 19, 2009
Last updated in NPPES Sep 10, 2025
Taxonomy & licenses
101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 064405 (NY) Secondary
1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 083007-01 (NY) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy.
About the LCSW credential
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 Hatsuko Otsuka practice?
The practice location on file with NPPES is in Bronx, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Hatsuko Otsuka?
The National Provider Identifier (NPI) for Hatsuko Otsuka is 1689801375, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Argus Community, Inc. Mental Health Clinic/Center (Including Community Mental Health Center) · Bronx, NY NPI 1710022330 David Tribich Psychologist · Bronx, NY NPI 1083915227 Kimberlain O'Driscoll Licensed Practical Nurse · Bronx, NY NPI 1487955563 Daniel Lowy Clinical Social Worker · Bronx, NY NPI 1730481151 Kayna Pfeiffer Mental Health Counselor · Bronx, NY NPI 1073999314 Dekeya Gregory Licensed Practical Nurse · Bronx, NY NPI 1942713839 Adelaida Herrera Addiction (Substance Use Disorder) Counselor · Bronx, NY NPI 1902375280 Argus Community, Inc. Mental Health Clinic/Center (Including Community Mental Health Center) · Bronx, NY NPI 1699408773
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-10.