NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

William Henry Hammond Jr., D.C.

Chiropractor in Jamaica, NY · enumerated 2007.

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

National Provider Identifier

1285751925

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Registry record

Entity type Individual (Type 1)
Name William Henry Hammond Jr.
Credential D.C.
Sex Male
Practice address Jamaica, NY, 11432
Phone (718) 297-0909
Fax (718) 297-0940
Enumeration date Mar 26, 2007
Last updated in NPPES May 5, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License X006924-1 (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 NPI 1285751925 active?
Yes, as of the latest NPPES snapshot, NPI 1285751925 is active (record last updated 2021-05-05).
How do I verify William Hammond's NPI record?
Cross-check NPI 1285751925 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-05.