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Gin Den William Chang, DO

Internal Medicine Physician in Roslyn, NY · enumerated 2018.

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

National Provider Identifier

1689179582

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Registry record

Entity type Individual (Type 1)
Name Gin Den William Chang
Credential DO
Sex Male
Practice address 100 Port Washington Blvd, Roslyn, NY, 11576
Phone (516) 562-6000
Enumeration date Mar 24, 2018
Last updated in NPPES Jul 7, 2021

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 310324 (NY) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

What is the NPI number for Gin Den Chang?
The National Provider Identifier (NPI) for Gin Den Chang is 1689179582, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gin Den Chang practice?
The practice location on file with NPPES is in Roslyn, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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