DR. WILLIAM ALBERT SEPER D.D.S.
NPI 1962584607
Dentist - General Practice in Orland Park, IL

Q: What is William Seper's NPI number?

The NPI number for William Seper is 1962584607. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Q: What is William Seper'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 Seper 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.

Active since October 20, 2006

9661 W 143RD ST, SUITE 100, ORLAND PARK, IL 60462(708) 403-0100(708) 403-8657 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. William Albert Seper D.d.s. NPPES

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

DR. WILLIAM ALBERT SEPER D.D.S. (NPI 1962584607) is an individual general practice provider in Orland Park, Illinois and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1962584607

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. WILLIAM ALBERT SEPERCredential: D.D.S.

Location Address9661 W 143RD ST, SUITE 100Orland Park, IL 60462-2088

Mailing Address9661 W 143rd St, Suite 100Orland Park, IL 60462-2088 · (708) 403-0100 · Fax (708) 403-8657

Phone(708) 403-0100

Fax(708) 403-8657

Sole ProprietorNo

Enumeration DateOctober 20, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1962584607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

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.

9661 W 143RD ST, Orland Park, IL 60462

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Other Providers at the Same Location NPPES 2

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

DR. DANIEL JOHN WOLS D.D.S.

Dentist (General Practice)

9661 W 143RD ST, SUITE 100
ORLAND PARK, IL 60462

Cook County (708) 464-1222

WILLIAM A. SEPER, D.D.S., P.C.

Dentist (General Practice)

9661 W 143RD ST, SUITE 100
ORLAND PARK, IL 60462

Cook County (708) 403-0100

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 Seper's NPI number?

The NPI number for William Seper is 1962584607. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is William Seper located?

William Seper practices at 9661 W 143rd St Suite 100, Orland Park, IL 60462. The listed phone number is (708) 403-0100.

What is William Seper'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 Seper 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.