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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.

MARSHALL DENTAL EXCELLENCE PLLC
NPI 1427137629
Dentist - General Practice in Marshall, MN

Active since November 06, 2006
1320 NWAKANMA STREET, MARSHALL, MN 56258(507) 537-1052(507) 537-0349 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Marshall Dental Excellence Pllc NPPES

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

MARSHALL DENTAL EXCELLENCE PLLC (NPI 1427137629), doing business as John W Frerich Dds, is a healthcare organization registered as a general practice in Marshall, Minnesota and active in the NPI registry since November 2006. The organization lists Andrew Sean Frerich, Dentist/owner, as its authorized official.

NPPES Registry Identity

NPI1427137629
Entity TypeOrganization
Primary Taxonomy1223G0001X
Legal Business NameMARSHALL DENTAL EXCELLENCE PLLC
Location Address1320 NWAKANMA STREETMarshall, MN 56258
Mailing Address1320 Nwakanma StreetMarshall, MN 56258 · (507) 537-1052 · Fax (507) 537-0349
Phone(507) 537-1052
Fax(507) 537-0349
Organization SubpartNo
Authorized OfficialAndrew Sean FrerichDentist/owner · (651) 357-2791
Enumeration DateNovember 6, 2006
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
✔ NPI 1427137629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MN · D10218
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.
1320 NWAKANMA STREET, Marshall, MN 56258
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Other Names 1

Former Legal Business NameJohn W Frerich Dds

Other Identifiers 1

Medicaid113322500MN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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 Marshall Dental Excellence PLLC's NPI number?

The NPI number for Marshall Dental Excellence PLLC is 1427137629. It was assigned to this organization in the NPPES registry on November 6, 2006. The provider was formerly known as John W Frerich DDS.

Where is Marshall Dental Excellence PLLC located?

Marshall Dental Excellence PLLC is located at 1320 Nwakanma Street, Marshall, MN 56258. The listed phone number is (507) 537-1052.

What is Marshall Dental Excellence PLLC'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 Marshall Dental Excellence PLLC was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 57 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.