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

DAVID FRANKLIN MAWYER DDS
NPI 1477643534
Dentist - General Practice in Billings, MT

Q: What is David Mawyer's NPI number?

The NPI number for David Mawyer is 1477643534. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Q: What is David Mawyer'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 David Mawyer was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 October 12, 2006

2675 CENTRAL AVE STE 10, BILLINGS, MT 59102(406) 652-9204(406) 652-9370 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About David Franklin Mawyer Dds NPPES

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

DAVID FRANKLIN MAWYER DDS (NPI 1477643534) is an individual general practice provider in Billings, Montana, licensed in Montana (1489) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1477643534

Entity TypeIndividualMale

Primary Taxonomy1223G0001X

Provider Legal NameDAVID FRANKLIN MAWYERCredential: DDS

Location Address2675 CENTRAL AVE STE 10Billings, MT 59102-6666

Mailing Address2675 Central Ave Ste 10Billings, MT 59102-6666 · (406) 652-9204 · Fax (406) 652-9370

Phone(406) 652-9204

Fax(406) 652-9370

Sole ProprietorYes

Enumeration DateOctober 12, 2006

Last NPPES UpdateJuly 26, 2026

✔ NPI 1477643534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers

Taxonomy Code1223G0001X

License✔ Licensed in MT · 1489

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.

2675 CENTRAL AVE STE 10, Billings, MT 59102

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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 David Mawyer's NPI number?

The NPI number for David Mawyer is 1477643534. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is David Mawyer located?

David Mawyer practices at 2675 Central Ave Ste 10, Billings, MT 59102. The listed phone number is (406) 652-9204.

What is David Mawyer'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 David Mawyer was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.