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

DR. LOREN KEI MASUOKA DMD
NPI 1790749323
Dentist - General Practice in Bremerton, WA

Active since April 12, 2006
1 BOONE RD, BREMERTON, WA 98312(360) 475-4426(360) 475-4344 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Loren Kei Masuoka Dmd NPPES

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

DR. LOREN KEI MASUOKA DMD (NPI 1790749323) is an individual general practice provider in Bremerton, Washington, licensed in Oregon (D6539) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1790749323
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. LOREN KEI MASUOKACredential: DMD
Location Address1 BOONE RDBremerton, WA 98312-1894
Mailing Address1 Boone RdBremerton, WA 98312-1894 · (360) 475-4426 · Fax (360) 475-4344
Phone(360) 475-4426
Fax(360) 475-4344
Sole ProprietorNo
Enumeration DateApril 12, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1790749323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in OR · D6539
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.
1 BOONE RD, Bremerton, WA 98312
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana and more.Insurance ›

Other Providers at the Same Location NPPES 20

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

DR. KAREN LOUISE BRAMER-FORTIER MD
Family Medicine
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4000
MICHAEL NIKOLAY BEREZHKOV
Dental Assistant
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (425) 304-4092
DEBORAH G WILLIAMS FNP
Registered Nurse
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4426
DANA SHAY THERKILDSEN IDC
Military Health Care Provider (Independent Duty Corpsman)
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4887
DR. WILLIAM BYRNE COGAR DO
Emergency Medicine
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4000
GARY MICHAEL ROSONET FAAA
Audiologist
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4111
MR. BRIAN CASEY PRUETT IDC
Military Health Care Provider
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4236
JORGE ISRAEL FELIX RODRIGUEZ
Dental Assistant
1 BOONE RD
BREMERTON, WA 98312
Kitsap County (360) 475-4455

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 Loren Masuoka's NPI number?

The NPI number for Loren Masuoka is 1790749323. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Loren Masuoka located?

Loren Masuoka practices at 1 Boone Rd, Bremerton, WA 98312. The listed phone number is (360) 475-4426.

What is Loren Masuoka's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

What insurance does Loren Masuoka accept?

Health plans from BEST Life, Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 5 other insurers list Loren Masuoka 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 Loren Masuoka 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 32 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.