Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Zachary Alexander Nowicki, DC

Chiropractor in East Islip, NY · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1922663095

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Registry record

Entity type Individual (Type 1)

Name Dr. Zachary Alexander Nowicki

Credential DC

Sex Male

Practice address 369 E Main St Ste 6, East Islip, NY, 11730

Phone (631) 968-8300

Enumeration date May 4, 2019

Last updated in NPPES Mar 27, 2025

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License X013155 (NY) Secondary

111N00000X Chiropractor Chiropractic Providers · License 013155 (NY) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC 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.

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Frequently asked questions

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.

What specialty is Zachary Nowicki?

Zachary Nowicki is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Anthony Castellino Chiropractor · East Islip, NY NPI 1245220334 Saxon Chiropractic Chiropractor · East Islip, NY NPI 1285787473 Richard Castellino Adult Health Nurse Practitioner · East Islip, NY NPI 1730809773 Saxon Chiropractic & Adult Health Np, Pllc Adult Health Nurse Practitioner · East Islip, NY NPI 1871270991 Saxon Chiropractic & Adult Health Np, Pllc Durable Medical Equipment & Medical Supplies · East Islip, NY NPI 1407720295

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-27.