DR. JOHN WILLIAM MASTERS D.D.S., M.S.
NPI 1194908988
Dentist - Endodontics in Julian, CA

Q: What is John Masters's NPI number?

The NPI number for John Masters is 1194908988. It was assigned to this individual provider in the NPPES registry on December 14, 2007.

Q: What is John Masters's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

Q: When was this NPI record last updated?

The NPPES record for John Masters was last updated on January 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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 December 14, 2007

2602 WASHINGTON ST., JULIAN, CA 92036(760) 765-1675 Get Directions Write a Review

NPPES record last updated: January 23, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. John William Masters D.d.s., M.s. NPPES

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

DR. JOHN WILLIAM MASTERS D.D.S., M.S. (NPI 1194908988) is an individual endodontics provider in Julian, California, licensed in California (40965) and active in the NPI registry since December 2007.

NPPES Registry Identity

NPI1194908988

Entity TypeIndividualMale

Primary Taxonomy1223E0200X

Provider Legal NameDR. JOHN WILLIAM MASTERSCredential: D.D.S., M.S.

Location Address2602 WASHINGTON ST.Julian, CA 92036-2011

Mailing AddressPo Box 2011Julian, CA 92036-2011 · (760) 765-1675

Phone(760) 765-1675

Sole ProprietorYes

Enumeration DateDecember 14, 2007

Last NPPES UpdateJanuary 23, 2008

✔ NPI 1194908988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · EndodonticsDental Providers

Taxonomy Code1223E0200X

License✔ Licensed in CA · 40965

Definition

The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

2602 WASHINGTON ST., Julian, CA 92036

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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 John Masters's NPI number?

The NPI number for John Masters is 1194908988. It was assigned to this individual provider in the NPPES registry on December 14, 2007.

Where is John Masters located?

John Masters practices at 2602 Washington St., Julian, CA 92036. The listed phone number is (760) 765-1675.

What is John Masters's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Endodontics, with taxonomy code 1223E0200X.

When was this NPI record last updated?

The NPPES record for John Masters was last updated on January 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.