Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

William Helfrey

Family Nurse Practitioner in Ridgefield Park, NJ · enumerated 2023.

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

National Provider Identifier

1184339723

Verified

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Registry record

Entity type Individual (Type 1)

Name William Helfrey

Sex Male

Practice address 100 Challenger Rd Ste 205, Ridgefield Park, NJ, 07660

Phone (443) 383-9300

Fax (855) 866-8710

Enumeration date Jan 18, 2023

Last updated in NPPES Jan 18, 2023

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 26NJ01427000 (NJ) Primary

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 Helfrey practice?

The practice location on file with NPPES is in Ridgefield Park, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for William Helfrey?

The National Provider Identifier (NPI) for William Helfrey is 1184339723, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Sylvia Murphy-Mccray Family Nurse Practitioner · Ridgefield Park, NJ NPI 1215338942 Monique Charles Primary Care Nurse Practitioner · Ridgefield Park, NJ NPI 1508391285 Elizaveta Sinichkina Gerontology Nurse Practitioner · Ridgefield Park, NJ NPI 1801502562

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-18.