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DR. WILLIAM ERROL DEWITT DDS
NPI 1710015086
Dentist - General Practice in Elmhurst, IL

Active since March 01, 2007PECOS Enrolled
118 E VALLETTE ST, ELMHURST, IL 60126(630) 279-2121(630) 279-1363 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Errol Dewitt Dds NPPES

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

DR. WILLIAM ERROL DEWITT DDS (NPI 1710015086) is an individual general practice provider in Elmhurst, Illinois, licensed in Illinois (019-16307) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710015086
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM ERROL DEWITTCredential: DDS
Location Address118 E VALLETTE STElmhurst, IL 60126-4447
Mailing Address118 E Vallette StElmhurst, IL 60126-4447 · (630) 279-2121 · Fax (630) 279-1363
Phone(630) 279-2121
Fax(630) 279-1363
Sole ProprietorNo
Enumeration DateMarch 1, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1710015086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in IL · 019-16307
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.
118 E VALLETTE ST, Elmhurst, IL 60126
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Errol Dewitt Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WILLIAM E. DEWITT,DDS,PC
Dentist (General Practice)
118 E VALLETTE ST
ELMHURST, IL 60126
Dupage County (630) 279-2121

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 Dewitt's NPI number?

The NPI number for William Dewitt is 1710015086. It was assigned to this individual provider in the NPPES registry on March 1, 2007.

Where is William Dewitt located?

William Dewitt practices at 118 E Vallette St, Elmhurst, IL 60126. The listed phone number is (630) 279-2121.

What is William Dewitt's specialty?

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

Is William Dewitt enrolled in Medicare?

Yes. William Dewitt is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Dewitt was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.