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MR. GAKU YAMAGUCHI M.D.
NPI 1033592126
Family Medicine in Hilo, HI

Active since July 07, 2015PECOS EnrolledAccepts Medicare Assignment
1438 KILAUEA AVE, HILO, HI 96720(808) 969-9220 Get Directions Write a Review

NPPES record last updated: December 19, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Gaku Yamaguchi M.d. NPPES

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

MR. GAKU YAMAGUCHI M.D. (NPI 1033592126) is an individual family medicine provider in Hilo, Hawaii, licensed in Hawaii (MD-19597) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS, is affiliated with Hilo Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1033592126
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMR. GAKU YAMAGUCHICredential: M.D.
Location Address1438 KILAUEA AVEHilo, HI 96720-4286
Mailing Address1438 Kilauea AveHilo, HI 96720-4286 · (808) 969-9220
Phone(808) 969-9220
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateJuly 7, 2015
Last NPPES UpdateDecember 19, 2018
✔ NPI 1033592126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in HI · MD-19597
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1438 KILAUEA AVE, Hilo, HI 96720
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Gaku Yamaguchi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941547137
PECOS Enrollment IDI20190125001751
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
325 services103 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
119 services60 patients
Transitional care management services for problem of at least moderate complexity 99495
Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.
13 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hilo Medical Center

Acute Care Hospitals · Hilo, HI
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number120005
Location1190 Waianuenue AvenueHilo, HI 96720 · Hawaii County
Emergency services Birthing friendly

Kau Hospital

Critical Access Hospitals · Pahala, HI
OwnershipGovernment - State
CMS Certification Number121301
Location1 Kamani StreetPahala, HI 96777 · Hawaii County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96720 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.50 typical visit price
range $60.53 – $180.05
Typical copayment $23.12 (range $15.13 – $45.01)
Most-billed visit code 99203
Established Patient
$105.65 typical visit price
range $20.09 – $147.56
Typical copayment $26.41 (range $5.02 – $36.89)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

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

HUI MALAMA OLA NA 'OIWI
Clinic/Center (Primary Care)
1438 KILAUEA AVE
HILO, HI 96720
Hawaii County (808) 969-9220

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 Gaku Yamaguchi's NPI number?

The NPI number for Gaku Yamaguchi is 1033592126. It was assigned to this individual provider in the NPPES registry on July 7, 2015.

Where is Gaku Yamaguchi located?

Gaku Yamaguchi practices at 1438 Kilauea Ave, Hilo, HI 96720. The listed phone number is (808) 969-9220.

What is Gaku Yamaguchi's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gaku Yamaguchi enrolled in Medicare?

Yes. Gaku Yamaguchi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gaku Yamaguchi accept?

Health plans from HMSA list Gaku Yamaguchi 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.

Is Gaku Yamaguchi affiliated with any hospitals?

According to CMS data, Gaku Yamaguchi is affiliated with Hilo Medical Center and Kau Hospital.

When was this NPI record last updated?

The NPPES record for Gaku Yamaguchi was last updated on December 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.