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DR. MARK K. KOIZUMI D.D.S.
NPI 1366797425
Dentist - General Practice in Hilo, HI

Active since July 16, 2012
275 PONAHAWAI ST, STE.103, HILO, HI 96720(808) 935-1149 Get Directions Write a Review

NPPES record last updated: July 16, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark K. Koizumi D.d.s. NPPES

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

DR. MARK K. KOIZUMI D.D.S. (NPI 1366797425) is an individual general practice provider in Hilo, Hawaii, licensed in Hawaii (DT-1380) and active in the NPI registry since July 2012.

NPPES Registry Identity

NPI1366797425
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARK K. KOIZUMICredential: D.D.S.
Location Address275 PONAHAWAI ST, STE.103Hilo, HI 96720-3074
Mailing Address275 Ponahawai St, Ste.103Hilo, HI 96720-3074 · (808) 935-1149
Phone(808) 935-1149
Sole ProprietorNo
Enumeration DateJuly 16, 2012
✔ NPI 1366797425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in HI · DT-1380
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.
275 PONAHAWAI ST, Hilo, HI 96720
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Accepted Insurance

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

Other Providers at the Same Location NPPES 16

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

BRIAN WILSON MD L.L.C.
Pediatrics (Adolescent Medicine)
275 PONAHAWAI ST, SUITE 106
HILO, HI 96720
Hawaii County (808) 961-0022
ROBERT M ATEBARA, DMD, INC
Clinic/Center (Dental)
275 PONAHAWAI ST, SUITE 202
HILO, HI 96720
Hawaii County (808) 961-3031
DR. WILLIAM HAYAKAWA D.D.S.
Dentist (General Practice)
275 PONAHAWAI ST, SUITE 102
HILO, HI 96720
Hawaii County (808) 935-6605
DARRETT CHOY MD LLC
Pediatrics (Adolescent Medicine)
275 PONAHAWAI ST, SUITE #106
HILO, HI 96720
Hawaii County (808) 961-0022
DR. AMMON KAU DDS
Dentist
275 PONAHAWAI ST, SUITE 204
HILO, HI 96720
Hawaii County (808) 961-6704
DR. BRIAN J WILSON M.D.
Pediatrics (Adolescent Medicine)
275 PONAHAWAI ST, SUITE 106
HILO, HI 96720
Hawaii County (808) 961-0022
MARK K. KOIZUMI, D.D.S., INC.
Clinic/Center (Dental)
275 PONAHAWAI ST, SUITE 103
HILO, HI 96720
Hawaii County (808) 935-1149
DR. GEORGE SHIZUTO ATEBARA DDS
Dentist (General Practice)
275 PONAHAWAI ST, SUITE 101
HILO, HI 96720
Hawaii County (808) 935-8152

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 Koizumi's NPI number?

The NPI number for Mark Koizumi is 1366797425. It was assigned to this individual provider in the NPPES registry on July 16, 2012.

Where is Mark Koizumi located?

Mark Koizumi practices at 275 Ponahawai St Ste.103, Hilo, HI 96720. The listed phone number is (808) 935-1149.

What is Mark Koizumi's specialty?

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

What insurance does Mark Koizumi accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and HMSA and 1 other insurer list Mark Koizumi 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 Mark Koizumi was last updated on July 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.