Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Williams
Social Worker in Bronx, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1427114800
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name John Williams
Sex Male
Practice address 329 E 149th St, Bronx, NY, 10451
Phone (718) 769-2698
Enumeration date Dec 29, 2006
Last updated in NPPES Dec 4, 2019
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 specialty is John Williams?
John Williams is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Courtney Bitting Behavior Analyst · Bronx, NY NPI 1326331463 Yelena Gretchneva Speech-Language Pathologist · Bronx, NY NPI 1508129966 Joanmarie Veltri Early Intervention Provider Agency · Bronx, NY NPI 1437571445 Alessandra Soracchi Social Worker · Bronx, NY NPI 1326459181 Eva Czarnocha Speech-Language Pathologist · Bronx, NY NPI 1780097774 Shawnise Bright Early Intervention Provider Agency · Bronx, NY NPI 1659786689 Nikachi Griffin Specialist · Bronx, NY NPI 1750796694 Lina Zhang Specialist · Bronx, NY NPI 1740696251
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-12-04.