Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Abby Ratner
Social Worker in Brooklyn, NY · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1043920507
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Registry record
Entity type Individual (Type 1)
Name Abby Ratner
Sex Female
Practice address 790 Broadway, Brooklyn, NY, 11206
Phone (718) 388-5176
Enumeration date Nov 24, 2022
Last updated in NPPES Nov 24, 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 Abby Ratner practice?
The practice location on file with NPPES is in Brooklyn, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Abby Ratner?
The National Provider Identifier (NPI) for Abby Ratner is 1043920507, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-24.