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William J Kustrup, MD

Ophthalmology Physician in Lawrenceville, NJ · enumerated 2005.

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

National Provider Identifier

1295738417

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Registry record

Entity type Individual (Type 1)
Name William J Kustrup
Credential MD
Sex Male
Practice address 123 Franklin Corner Rd, Ste 207, Lawrenceville, NJ, 08648
Phone (609) 896-9448
Fax (609) 896-7052
Enumeration date May 23, 2005
Last updated in NPPES Oct 31, 2013

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 25MA018330 (NJ) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
8626006 Medicaid NJ -

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

Where does William Kustrup practice?
The practice location on file with NPPES is in Lawrenceville, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Kustrup?
The National Provider Identifier (NPI) for William Kustrup is 1295738417, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-31.