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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 WERNER SEATON D.D.S.
NPI 1215913231
Dentist - General Practice in Saint Louis, MO

Active since December 21, 2005
9811 WATSON RD, SAINT LOUIS, MO 63126(314) 984-8588(314) 984-3879 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Werner Seaton D.d.s. NPPES

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

DR. WILLIAM WERNER SEATON D.D.S. (NPI 1215913231) is an individual general practice provider in Saint Louis, Missouri, licensed in Missouri (13833) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1215913231
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. WILLIAM WERNER SEATONCredential: D.D.S.
Location Address9811 WATSON RDSaint Louis, MO 63126-1824
Mailing Address9811 Watson RdSaint Louis, MO 63126-1824 · (314) 984-8588 · Fax (314) 984-3879
Phone(314) 984-8588
Fax(314) 984-3879
Sole ProprietorNo
Enumeration DateDecember 21, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1215913231 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MO · 13833
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.

9811 WATSON RD, Saint Louis, MO 63126
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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 Seaton's NPI number?

The NPI number for William Seaton is 1215913231. It was assigned to this individual provider in the NPPES registry on December 21, 2005.

Where is William Seaton located?

William Seaton practices at 9811 Watson Rd, Saint Louis, MO 63126. The listed phone number is (314) 984-8588.

What is William Seaton'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 Seaton was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.