Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM STEVEN KAPPEL D.D.S.
NPI 1366440505
Dentist - General Practice in Wantagh, NY

Q: What is William Kappel's NPI number?

The NPI number for William Kappel is 1366440505. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Q: What is William Kappel's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Q: When was this NPI record last updated?

The NPPES record for William Kappel was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 12, 2005

1820 WANTAGH AVE, WANTAGH, NY 11793(516) 785-7570(516) 785-7288 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. William Steven Kappel D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM STEVEN KAPPEL D.D.S. (NPI 1366440505) is an individual general practice provider in Wantagh, New York, licensed in New York (029757) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1366440505

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM STEVEN KAPPELCredential: D.D.S.

Location Address1820 WANTAGH AVEWantagh, NY 11793-3908

Mailing Address1820 Wantagh AveWantagh, NY 11793-3908 · (516) 785-7570 · Fax (516) 785-7288

Phone(516) 785-7570

Fax(516) 785-7288

Sole ProprietorNo

Enumeration DateJuly 12, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1366440505 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in NY · 029757

Definition

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

1820 WANTAGH AVE, Wantagh, NY 11793

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and more.Insurance ›

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Kappel's NPI number?

The NPI number for William Kappel is 1366440505. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is William Kappel located?

William Kappel practices at 1820 Wantagh Ave, Wantagh, NY 11793. The listed phone number is (516) 785-7570.

What is William Kappel's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does William Kappel accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Renaissance Dental list William Kappel as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Kappel was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.