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

DR. MARK H WINHOLTZ
NPI 1659325066
Specialist in Andover, MN

Q: What is Mark Winholtz's NPI number?

The NPI number for Mark Winholtz is 1659325066. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Q: What is Mark Winholtz's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Winholtz 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 40 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 20, 2006

14860 MAKAH ST NW, ANDOVER, MN 55304(763) 421-8382 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Mark H Winholtz NPPES

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

DR. MARK H WINHOLTZ (NPI 1659325066) is an individual specialist in Andover, Minnesota, licensed in Minnesota (31391) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1659325066

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. MARK H WINHOLTZ

Location Address14860 MAKAH ST NWAndover, MN 55304-2863

Mailing Address14860 Makah St NwAndover, MN 55304-2863 · (763) 421-8382

Phone(763) 421-8382

Sole ProprietorNo

Enumeration DateMay 20, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1659325066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in MN · 31391

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

14860 MAKAH ST NW, Andover, MN 55304

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

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 Mark Winholtz's NPI number?

The NPI number for Mark Winholtz is 1659325066. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Mark Winholtz located?

Mark Winholtz practices at 14860 Makah St NW, Andover, MN 55304. The listed phone number is (763) 421-8382.

What is Mark Winholtz's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

What insurance does Mark Winholtz accept?

Health plans from Medica list Mark Winholtz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Winholtz 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 40 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.