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Deactivated NPI 1205972635 Deactivated / Inactive NPI Male Practitioner

Dr. David G Martyn , DDS

Dentist - General Practice • Mequon, WI

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. David Martyn has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date January 30, 2007
NPI Deactivation Date March 06, 2025
Total Practice Duration ~18 Years of Practice (2007 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. David Martyn, DDS was a registered Dentist - General Practice practicing in Mequon, WI. Throughout an active medical career spanning 18 years, Dr. Martyn provided care at the practice location at 10562 N PORT WASHINGTON RD until profile deactivation on 2025-03-06.

Practice Location & Contact Primary Location

Practice Address

10562 N Port Washington Rd

Mequon, WI 530925991

Telephone 2622401220
Fax 2622401232
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist - General Practice in Mequon, WI

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 24.5 Yrs
Regional Practice Density
20 Specialists

Practicing in Mequon, WI (2459 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Dentist - General Practice Primary Specialty

NUCC Taxonomy Code: 1223G0001X

State License WI WI4126

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Dr. Robert Hafner , DDS

Dentist - General Practice

NPI 1912043266

Doctor of Dental Surgery

Dr. Nancy Larson , DDS

Dentist - General Practice

NPI 1922144260

Doctor of Dental Surgery

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
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NPI Profile Deactivated March 06, 2025

Record deactivated on March 06, 2025

NPI Profile Active October 07, 2009

NPI status registered as active in NPPES database

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Updated Practice Location October 07, 2009

Registered at 10562 N PORT WASHINGTON RD, MEQUON, WI 530925991 (Tel: 2622401220)

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Updated Business Mailing Address October 07, 2009

Registered at 10562 N. PORT WASHINGTON RD, MEQUON, WI 530925991 (Tel: 2622401220)

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Provider Name / Credentials Updated October 07, 2009

Recorded as DAVID MARTYN, D.D.S.

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Medical Taxonomy / Specialty Registered (Primary Specialty) October 07, 2009

Dentist (License #WI4126 in WI)

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Initial NPI Registration & Enumeration January 30, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1205972635
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 30, 2007
Last Update: October 07, 2009
Deactivation Date: March 06, 2025

Mailing Address

10562 N. Port Washington Rd

Mequon, WI 530925991

Phone: 2622401220

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.