DR. RYON NAKASONE MD
NPI 1114138351
Internal Medicine - Hematology & Oncology in Honolulu, HI

Q: What is Ryon Nakasone's NPI number?

The NPI number for Ryon Nakasone is 1114138351. It was assigned to this individual provider in the NPPES registry on May 25, 2007.

Q: What is Ryon Nakasone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Ryon Nakasone was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 May 25, 2007PECOS EnrolledAccepts Medicare Assignment

321 N KUAKINI ST, 412, HONOLULU, HI 96817(808) 531-8521 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Ryon Nakasone Md NPPES

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

DR. RYON NAKASONE MD (NPI 1114138351) is an individual hematology & oncology provider in Honolulu, Hawaii, licensed in Hawaii (MD-15109) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with The Queens Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (2006).

NPPES Registry Identity

NPI1114138351

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. RYON NAKASONECredential: MD

Location Address321 N KUAKINI ST, 412Honolulu, HI 96817-2364

Mailing Address321 N Kuakini St Ste 404Honolulu, HI 96817-2360 · (808) 772-4743 · Fax (808) 772-4036

Phone(808) 531-8521

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2006

Enumeration DateMay 25, 2007

Last NPPES UpdateJanuary 12, 2023

NPPES CertifiedJanuary 12, 2023

✔ NPI 1114138351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in HI · MD-15109

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

321 N KUAKINI ST, Honolulu, HI 96817

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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

Dr. Ryon Nakasone 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 ID9931349800

PECOS Enrollment IDI20130717000692

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 5

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 high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

406 services75 patients

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.

377 services145 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.

130 services66 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

21 services21 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

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.

The Queens Medical Center

Acute Care Hospitals · Honolulu, HI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number120001

Location1301 Punchbowl StHonolulu, HI 96813 · Honolulu County

Emergency services Birthing friendly

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 96817 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

$180.05 typical visit price

range $60.53 – $180.05

Typical copayment $45.01 (range $15.13 – $45.01)

Most-billed visit code 99205

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.

EMILY DIEP, M.D., LLC

Internal Medicine

321 N KUAKINI ST, SUITE NUMBER 715
HONOLULU, HI 96817

Honolulu County (808) 523-6461

ELIOT NOBUO TOMOMITSU M.D.

Pediatrics

321 N KUAKINI ST, SUITE #201
HONOLULU, HI 96817

Honolulu County (808) 523-8611

BARON K. F. CHING M.D.

Internal Medicine

321 N KUAKINI ST, 708
HONOLULU, HI 96817

Honolulu County (808) 536-7791

DR. STUART SUGIHARA M.D.

Internal Medicine (Pulmonary Disease)

321 N KUAKINI ST, STE 502
HONOLULU, HI 96817

Honolulu County (808) 531-9753

CHAELYN CULLEN

Nurse Practitioner

321 N KUAKINI ST
HONOLULU, HI 96817

Honolulu County (808) 772-4743

DIANE M. SAKAI MD

Internal Medicine

321 N KUAKINI ST, SUITE 514
HONOLULU, HI 96817

Honolulu County (808) 533-4274

JOSEPH K KOO MD

Internal Medicine (Infectious Disease)

321 N KUAKINI ST
HONOLULU, HI 96817

Honolulu County (808) 523-6461

DR. OSAMU FUKUYAMA M.D.

Internal Medicine (Cardiovascular Disease)

321 N KUAKINI ST, SUITE 504
HONOLULU, HI 96817

Honolulu County (808) 538-1125

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 Ryon Nakasone's NPI number?

The NPI number for Ryon Nakasone is 1114138351. It was assigned to this individual provider in the NPPES registry on May 25, 2007.

Where is Ryon Nakasone located?

Ryon Nakasone practices at 321 N Kuakini St 412, Honolulu, HI 96817. The listed phone number is (808) 531-8521.

What is Ryon Nakasone's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Ryon Nakasone enrolled in Medicare?

Yes. Ryon Nakasone 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 Ryon Nakasone accept?

Health plans from HMSA list Ryon Nakasone 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 Ryon Nakasone affiliated with any hospitals?

According to CMS data, Ryon Nakasone is affiliated with The Queens Medical Center and Kuakini Medical Center.

When was this NPI record last updated?

The NPPES record for Ryon Nakasone was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.