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

DR. RYOTARO KATO M.D., J.D.
NPI 1952506198
Internal Medicine in Honolulu, HI

Active since June 18, 2007PECOS EnrolledAccepts Medicare Assignment
3288 MOANALUA RD, HONOLULU, HI 96819(808) 432-0000 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ryotaro Kato M.d., J.d. NPPES

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

DR. RYOTARO KATO M.D., J.D. (NPI 1952506198) is an individual internal medicine provider in Honolulu, Hawaii, licensed in Missouri (2006039226) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Kuakini Medical Center, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1952506198
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RYOTARO KATOCredential: M.D., J.D.
Location Address3288 MOANALUA RDHonolulu, HI 96819-1469
Mailing Address3288 Moanalua RdHonolulu, HI 96819-1469 · (808) 432-0000
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateJune 18, 2007
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1952506198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MO · 2006039226
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD-20090 (HI)
3288 MOANALUA RD, Honolulu, HI 96819

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

Dr. Ryotaro Kato M.d., J.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 ID2769629377
PECOS Enrollment IDI20190708000424
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

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
55 services24 patients

Hospital Affiliations CMS Care Compare

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

Kuakini Medical Center

Acute Care Hospitals · Honolulu, HI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number120007
Location347 North Kuakini StreetHonolulu, HI 96817 · Honolulu County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96819 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
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
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 20

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

Emergency Medicine
3288 MOANALUA RD
HONOLULU, HI 96819
Nurse Practitioner
3288 MOANALUA RD
HONOLULU, HI 96819
Internal Medicine (Cardiovascular Disease)
3288 MOANALUA RD
HONOLULU, HI 96819
Physical Therapist
3288 MOANALUA RD
HONOLULU, HI 96819
Hospitalist
3288 MOANALUA RD
HONOLULU, HI 96819
Pharmacist
3288 MOANALUA RD
HONOLULU, HI 96819
Nurse Practitioner (Family)
3288 MOANALUA RD
HONOLULU, HI 96819
Physician Assistant (Medical)
3288 MOANALUA RD
HONOLULU, HI 96819

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 Ryotaro Kato's NPI number?

The NPI number for Ryotaro Kato is 1952506198. It was assigned to this individual provider in the NPPES registry on June 18, 2007.

Where is Ryotaro Kato located?

Ryotaro Kato practices at 3288 Moanalua Rd, Honolulu, HI 96819. The listed phone number is (808) 432-0000.

What is Ryotaro Kato's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ryotaro Kato enrolled in Medicare?

Yes. Ryotaro Kato 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.

Is Ryotaro Kato affiliated with any hospitals?

According to CMS data, Ryotaro Kato is affiliated with Kuakini Medical Center.

When was this NPI record last updated?

The NPPES record for Ryotaro Kato was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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.