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

MR. WILLIAM C DEAK DDS
NPI 1568424000
Dentist - General Practice in Elyria, OH

Active since April 03, 2006
1212 N ABBE RD, SUITE D, ELYRIA, OH 44035(440) 366-3325(440) 366-6611 Get Directions Write a Review

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

About Mr. William C Deak Dds NPPES

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

MR. WILLIAM C DEAK DDS (NPI 1568424000) is an individual general practice provider in Elyria, Ohio, licensed in Ohio (015418) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1568424000
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameMR. WILLIAM C DEAKCredential: DDS
Location Address1212 N ABBE RD, SUITE DElyria, OH 44035-1600
Mailing Address1212 North Abbe Road, Suite DEluria, OH 44035 · (440) 366-3325 · Fax (440) 366-6611
Phone(440) 366-3325
Fax(440) 366-6611
Sole ProprietorNo
Enumeration DateApril 3, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1568424000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in OH · 015418
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.
1212 N ABBE RD, Elyria, OH 44035
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Other Identifiers 1

Medicaid0409043OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MedMutual.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 Deak's NPI number?

The NPI number for William Deak is 1568424000. It was assigned to this individual provider in the NPPES registry on April 3, 2006.

Where is William Deak located?

William Deak practices at 1212 N Abbe Rd Suite D, Elyria, OH 44035. The listed phone number is (440) 366-3325.

What is William Deak's specialty?

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

What insurance does William Deak accept?

Health plans from MedMutual list William Deak 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 Deak 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 24 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.