Ryon Nakasone, MD
Hematology & Oncology Physician · Honolulu, HI
Ryon Nakasone, MD is a hematology & oncology physician with a practice address in Honolulu, Hawaii, and NPI 1114138351, issued on May 25, 2007. Check the license (Hawaii MD-15109, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ryon Nakasone
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD-15109 HI
Self-reported in NPPES; status is on the state search - Practice location
- 321 N Kuakini St, Honolulu, HI 96817
- Phone
- (808) 531-8521
- Enumerated
- May 25, 2007
- Entity
- Type 1 · individual
Also registered at 321 N Kuakini St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jared Acoba, M.D.Hematology & Oncology Physician1508889338
- Thomas Au, MDInternal Medicine Physician1184770463
- Timothy Au, M.D.Internal Medicine Physician1518287598
- Steven Azuma, M.D.Cardiovascular Disease Physician1518966233
- Arlene Baldillo, D.O.Obstetrics & Gynecology Physician1124234331
- Baron Ching, M.D.Internal Medicine Physician1003959065
Verify Ryon Nakasone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-15109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
11% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
784 Medicare Part D claims for 121 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims. 15 claims were for opioids.
Most prescribed
- Xtandi98 claims
- Dexamethasone54 claims
- Imbruvica43 claims
- Tagrisso40 claims
- Anastrozole37 claims
- Acyclovir30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $3,375.61
144 payments, mostly food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 6,678 providers of this specialty with any payment received $7,643.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- The Queens Medical CenterHonolulu, HI · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Hematology & Oncology Physician providers in Hawaii
There are 40 hematology & oncology physician records in Hawaii.
Other hematology & oncology physician records in Hawaii
- Jared Acoba, M.D.Honolulu, HI1508889338
- William Adler, M.D.Wailuku, HI1710918610
- Devena Alston-Johnson, MDWailuku, HI1891732616
- Ramin Altaha, MDWailuku, HI1083649982
- Jeffrey Berenberg, MDTamc, HI1275523250
- Craig Boddy, M.D.Honolulu, HI1265796270
- Jennifer Carney, M.D.Honolulu, HI1548370604
- Matthew Chase, M.D.Honolulu, HI1437562899
- Jonathan Cho, M.D.Honolulu, HI1174590541
- C Choy, M.D.Honolulu, HI1790799393
Common questions
What is Ryon Nakasone, MD's NPI number?
Ryon Nakasone, MD's National Provider Identifier (NPI) is 1114138351, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ryon Nakasone, MD located?
The NPPES record lists a practice address at 321 N Kuakini St, Honolulu, HI, 96817. Phone: (808) 531-8521. Providers update this record themselves, so call before visiting.
How can I verify Ryon Nakasone, MD's license?
NPPES lists Hawaii license number MD-15109, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ryon Nakasone, MD prescribe under Medicare Part D?
In 2024, Ryon Nakasone, MD had 784 Medicare Part D claims for 121 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.