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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. WILLIAM S KORWAN DDS
NPI 1073763918
Dentist - General Practice in Walton, NY

Active since September 29, 2008
83 LIBERTY ST, WALTON, NY 13856(607) 865-6000 Get Directions Write a Review

NPPES record last updated: July 19, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William S Korwan Dds NPPES

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

DR. WILLIAM S KORWAN DDS (NPI 1073763918) is an individual general practice provider in Walton, New York, licensed in New York (032902) and active in the NPI registry since September 2008.

NPPES Registry Identity

NPI1073763918
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM S KORWANCredential: DDS
Location Address83 LIBERTY STWalton, NY 13856
Mailing Address83 Liberty StWalton, NY 13856 · (607) 865-6000 · Fax (607) 865-8714
Phone(607) 865-6000
Sole ProprietorYes
Enumeration DateSeptember 29, 2008
Last NPPES UpdateJuly 19, 2026
✔ NPI 1073763918 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 · 032902
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.
83 LIBERTY ST, Walton, NY 13856
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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 Korwan's NPI number?

The NPI number for William Korwan is 1073763918. It was assigned to this individual provider in the NPPES registry on September 29, 2008.

Where is William Korwan located?

William Korwan practices at 83 Liberty St, Walton, NY 13856. The listed phone number is (607) 865-6000.

What is William Korwan's specialty?

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

When was this NPI record last updated?

The NPPES record for William Korwan was last updated on July 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.