Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kierstin Berwick
Social Worker in Syosset, NY · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710459250
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Registry record
Entity type Individual (Type 1)
Name Kierstin Berwick
Sex Female
Practice address 485 Underhill Blvd Ste 101, Syosset, NY, 11791
Phone (516) 921-0183
Enumeration date Dec 21, 2018
Last updated in NPPES Jun 14, 2023
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 104682-1 (NY) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1033610084 | Other | NY | PSYCHOLOGICAL FACTS PLLC |
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
How do I verify Kierstin Berwick's NPI record?
Cross-check NPI 1710459250 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1710459250 active?
Yes, as of the latest NPPES snapshot, NPI 1710459250 is active (record last updated 2023-06-14).
Other providers at this practice address
Browse all → Keri Chernuchin, Psy.D. Pllc Psychologist · Syosset, NY NPI 1497256440 Keri Chernuchin Psychologist · Syosset, NY NPI 1780185736 Psychological Facts Pllc Psychologist · Syosset, NY NPI 1033610084 Caitlyn Moore Social Worker · Syosset, NY NPI 1093452708 Alexandra Page Psychologist · Syosset, NY NPI 1710677174 Brittany Giuliani Psychologist · Syosset, NY NPI 1255214748
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-14.