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

DR. MARK T HETZER DDS
NPI 1457330490
Dentist - General Practice in Lynnwood, WA

Q: What is Mark Hetzer's NPI number?

The NPI number for Mark Hetzer is 1457330490. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Q: What is Mark Hetzer'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 Mark Hetzer 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 28 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 January 10, 2006

18905 33RD AVE W, #201, LYNNWOOD, WA 98036(425) 771-9090(425) 775-1549 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. Mark T Hetzer Dds NPPES

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

DR. MARK T HETZER DDS (NPI 1457330490) is an individual general practice provider in Lynnwood, Washington, licensed in Washington (7051) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1457330490

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDR. MARK T HETZERCredential: DDS

Location Address18905 33RD AVE W, #201Lynnwood, WA 98036-4730

Mailing Address18905 33rd Ave W #201Lynnwood, WA 98036-4730 · (425) 771-9090 · Fax (425) 775-1549

Phone(425) 771-9090

Fax(425) 775-1549

Sole ProprietorNo

Enumeration DateJanuary 10, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1457330490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in WA · 7051

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.

18905 33RD AVE W, Lynnwood, WA 98036

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Other Providers at the Same Location NPPES

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

COPPER CREEK MEDICAL, INC.

Durable Medical Equipment & Medical Supplies

18905 33RD AVE W, SUITE 111
LYNNWOOD, WA 98036

Snohomish County (425) 339-9393

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 Hetzer's NPI number?

The NPI number for Mark Hetzer is 1457330490. It was assigned to this individual provider in the NPPES registry on January 10, 2006.

Where is Mark Hetzer located?

Mark Hetzer practices at 18905 33rd Ave W #201, Lynnwood, WA 98036. The listed phone number is (425) 771-9090.

What is Mark Hetzer'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 Mark Hetzer 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 28 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.