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

DR. THOMAS J. MARQUARDT D.D.S.
NPI 1508811050
Dentist - General Practice in Mansfield, OH

Q: What is Thomas Marquardt's NPI number?

The NPI number for Thomas Marquardt is 1508811050. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Q: What is Thomas Marquardt'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 Thomas Marquardt 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 33 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.

Active since May 23, 2006

100 VENNUM AVE, MANSFIELD, OH 44903(419) 522-3515(419) 522-3515 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Thomas J. Marquardt D.d.s. NPPES

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

DR. THOMAS J. MARQUARDT D.D.S. (NPI 1508811050) is an individual general practice provider in Mansfield, Ohio, licensed in Ohio (30-014215) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1508811050

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. THOMAS J. MARQUARDTCredential: D.D.S.

Location Address100 VENNUM AVEMansfield, OH 44903-2127

Mailing Address100 Vennum AveMansfield, OH 44903-2127 · (419) 522-3515 · Fax (419) 522-3515

Phone(419) 522-3515

Fax(419) 522-3515

Sole ProprietorNo

Enumeration DateMay 23, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1508811050 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 · 30-014215

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.

100 VENNUM AVE, Mansfield, OH 44903

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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 Thomas Marquardt's NPI number?

The NPI number for Thomas Marquardt is 1508811050. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Thomas Marquardt located?

Thomas Marquardt practices at 100 Vennum Ave, Mansfield, OH 44903. The listed phone number is (419) 522-3515.

What is Thomas Marquardt'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 Thomas Marquardt 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 33 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.