DR. JON STEVEN YAMAGUCHI MD
NPI 1720006810
Transplant Surgery in Honolulu, HI

Q: What is Jon Yamaguchi's NPI number?

The NPI number for Jon Yamaguchi is 1720006810. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Jon Yamaguchi's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Q: When was this NPI record last updated?

The NPPES record for Jon Yamaguchi was last updated on June 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 July 17, 2006PECOS EnrolledAccepts Medicare Assignment

72.51/100

CMS Quality Rating

550 S BERETANIA ST, SUITE 403, HONOLULU, HI 96813(808) 523-5033(808) 528-4713 Get Directions Write a Review

NPPES record last updated: June 11, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Jon Steven Yamaguchi Md NPPES

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

DR. JON STEVEN YAMAGUCHI MD (NPI 1720006810) is an individual transplant surgery provider in Honolulu, Hawaii, licensed in Hawaii (17065) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Health Castle, and is a graduate of Temple University School Of Medicine (1999).

NPPES Registry Identity

NPI1720006810

Entity TypeIndividualMale

Primary Taxonomy204F00000X

Provider Legal NameDR. JON STEVEN YAMAGUCHICredential: MD

Location Address550 S BERETANIA ST, SUITE 403Honolulu, HI 96813-2414

Mailing Address550 S Beretania St, Suite 403Honolulu, HI 96813-2414 · (808) 523-5033 · Fax (808) 528-4713

Phone(808) 523-5033

Fax(808) 528-4713

Sole ProprietorYes

Medical School CMSTemple University School Of MedicineGraduated 1999

Enumeration DateJuly 17, 2006

Last NPPES UpdateJune 11, 2013

✔ NPI 1720006810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyTransplant SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code204F00000X

Licenses✔ Licensed in HI · 17065✔ Licensed in GA · 056250✔ Licensed in VT · 042-0011342

Definition

A surgeon who specializes in transplant surgery. Source: National Uniform Claim Committee

550 S BERETANIA ST, Honolulu, HI 96813

Open in Google Maps ↗

Other Identifiers 11

Other582030692GA · Cigna Ppo

OtherY 20050801GA · Privatehealthcare Systems

Other930180GA · Blue Shield

Other2549145GA · United Healthcare Of Ga

Other3985266GA · Aetna Hmo

Other6799024001GA · Cigna Hmo

Medicare ID-Type UnspecifiedP00283385GA · Railroad Medicare

Other186165877BGA · Welfare Id

Medicare UPIN19798A001GA

Other7553699GA · Aetna Ppo

Medicare ID-Type Unspecified02BDHWXGA

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jon Steven Yamaguchi Md 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 ID7315978483

PECOS Enrollment IDI20130619000521

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.

Medicare Billing Reassignment

Medicare enrollment records show Jon Yamaguchi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Castle Medical Center

8.2 mi

General Acute Care Hospital

640 ULUKAHIKI ST
Kailua, HI 96734

Reassigned Medicare billing, Hawaii enrollment
110 clinicians in this Medicare group

NPI 1316937691 (808) 263-5142

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

71 services24 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

25 services24 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.

22 services20 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

19 services19 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

17 services17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

16 services16 patients

Hospital Affiliations CMS Care Compare

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

Adventist Health Castle

Acute Care Hospitals · Kailua, HI

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number120006

Location640 Ulukahiki StKailua, HI 96734 · Honolulu County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

72.51/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

65.64

Promoting Interoperability

Improvement Activities

Cost

51.91

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.

QUEENS DEVELOPMENT CORPORATION & SUBSIDIARIES

Pharmacy

550 S BERETANIA ST, STE 102
HONOLULU, HI 96813

Honolulu County (808) 691-8925

HIRO MAKINO MD INC

Internal Medicine (Cardiovascular Disease)

550 S BERETANIA ST, SUITE 401
HONOLULU, HI 96813

Honolulu County (808) 223-4889

DR. KEN SAKUDA DPM

Podiatrist

550 S BERETANIA ST, 4081
HONOLULU, HI 96813

Honolulu County (808) 690-4727

DAPHNE E HEMMINGS MD INC

Surgery

550 S BERETANIA ST, SUITE 406
HONOLULU, HI 96813

Honolulu County (808) 691-8885

JOAN M. MAESHIRO APRN

Nurse Practitioner (Gerontology)

550 S BERETANIA ST, 601
HONOLULU, HI 96813

Honolulu County (808) 691-8877

MARC R. MIYASAKI M.D. INC.

Internal Medicine

550 S BERETANIA ST, SUITE 605
HONOLULU, HI 96813

Honolulu County (808) 548-2100

DR. BRITA BO HEI CHENG ARAMAKI M.D., M.P.H.

Internal Medicine (Geriatric Medicine)

550 S BERETANIA ST, SUITE 601
HONOLULU, HI 96813

Honolulu County (808) 691-8877

AETHER LLC

Anesthesiology

550 S BERETANIA ST
HONOLULU, HI 96813

Honolulu County (808) 691-5300

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 Jon Yamaguchi's NPI number?

The NPI number for Jon Yamaguchi is 1720006810. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Jon Yamaguchi located?

Jon Yamaguchi practices at 550 S Beretania St Suite 403, Honolulu, HI 96813. The listed phone number is (808) 523-5033.

What is Jon Yamaguchi's specialty?

The primary specialty registered for this NPI is Transplant Surgery with taxonomy code 204F00000X.

Is Jon Yamaguchi enrolled in Medicare?

Yes. Jon 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.

Which organization bills Medicare for Jon Yamaguchi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jon Yamaguchi reassigns Medicare benefits to Castle Medical Center (Kailua, HI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jon Yamaguchi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jon Yamaguchi accept?

Health plans from HMSA list Jon 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 Jon Yamaguchi affiliated with any hospitals?

According to CMS data, Jon Yamaguchi is affiliated with Adventist Health Castle.

When was this NPI record last updated?

The NPPES record for Jon Yamaguchi was last updated on June 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.