AdenocarcinomaAsian American Native Hawaiian and Pacific IslanderHawaii
Dr. Ryon K. Nakasone, MD
NPI1114138351PAC ID9931349800
- Medicare services, 2024
- 947
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 784
- Publications
- 3
- MIPS score, 2024
- 97
- Practice address
- 1301 Punchbowl St, Honolulu, HI 96813
- Practice phone
- Call (808) 538-9011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nakasone's professional email, personal email and mobile number
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Dr. Ryon K. Nakasone is a hematologist and oncologist in Honolulu, Hawaii
Dr. Nakasone practices at The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems.
Dr. Nakasone's NPI, 1114138351, was assigned on May 25, 2007. Dr. Nakasone graduated from Johns Hopkins University School of Medicine in 2006. Dr. Nakasone holds Hawaii license MD-15109.
NPI and contact details
- NPI
- 1114138351NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931349800
- NPI enumeration date
- May 25, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (808) 538-9011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryon K. Nakasone practices at The Queen's Medical Center in Honolulu, Hawaii
Dr. Nakasone's primary practice is The Queen's Medical Center, at 1301 Punchbowl St, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 538-9011.
- The Queen's Medical Center1301 Punchbowl St, Honolulu, HI 96813 · Honolulu CountyPhone(808) 538-9011
Source: Dmand AI Affiliation Data
Dr. Ryon K. Nakasone is affiliated with 4 sites of care and 2 medical groups
Dr. Nakasone's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dr. Nakasone is also affiliated with Kuakini Medical Center. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Nakasone to 2 more group practices and clinics and 1 medical group, each named with a free account.
Kuakini Medical CenterThe Queen's Medical Center2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 6 affiliations for Dr. NakasoneSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryon K. Nakasone's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nakasone practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Queen's Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Nakasone practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Queen's Health Systems and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ryon K. Nakasone is one of 61 hematologists and oncologists in Hawaii
Hematology and oncology is Dr. Nakasone's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Nakasone is licensed in Hawaii.
Specialties and state licenses
- Hematology and oncology, HawaiiPrimary
Hematologists and oncologists near Dr. Nakasone
Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.
61hematologists and oncologists in Hawaii31hematologists and oncologists in Honolulu13hematologists and oncologists at The Queen's Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Ryon K. Nakasone billed Medicare for 947 services in 2024
CMS data shows 947 Medicare services from Dr. Nakasone across 5 procedure codes in 2024, for 219 Medicare patients. Medicare paid $93,805 for them. Every service was in an office.
Medicare services, 2024947
Medicare patients219
Paid by Medicare$93,805
Procedure codes5
Dr. Nakasone's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0062024: 9476%
- Lab and pathology
- 2023: 322024: 0100%
Dr. Nakasone compared with the Hawaii median for hematologists and oncologists, 2024
- Dr. Nakasone
- Hawaii median
- Medicare services
- 947vs 3612.6 times
- Medicare patients
- 219vs 19910% above
- Part D claims
- 570vs 570Close to median
Medians across 56 hematologists and oncologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Nakasone's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nakasone and other hematologists and oncologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryon K. Nakasone treated 219 Medicare patients in 2024, average age 76
CMS counts 219 Medicare patients who saw Dr. Nakasone in 2024. The largest group is 75 to 84, with 87 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.15, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nakasone's median patient age at 75, with 42% women.
Medicare patients, 2024219
Average age76
Average risk score2.15
Dr. Nakasone's Medicare patients by age, 2024
Dr. Nakasone's Medicare patients by sex, 2024
- Women8237%
- Men13763%
Chronic conditions among Dr. Nakasone's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer48%
- Chronic kidney disease44%
- Diabetes41%
- Arthritis34%
- Ischemic heart disease26%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nakasone's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryon K. Nakasone wrote 784 Medicare Part D claims in 2024
In 2024, Dr. Nakasone wrote 784 Medicare Part D claims for 121 patients. 53% of them were for generic drugs. CMS names the drug for 570 of them, across 20 drugs with 11 or more claims each, at $4,166,609 in total drug cost. In 2023, CMS named 561 claims across 19 drugs.
Part D claims, 2024784
Drugs named by CMS20
Total drug cost$4.2M
Part D patients121
Dr. Nakasone's Part D claims by kind of drug, 2024
- Generic416 claims53%
- Brand-name368 claims47%
Dr. Nakasone's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nakasone's Part D claims, 2024
- Opioids2%15 of 784 claims
- Antibiotics3%22 of 784 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5612024: 5702%
Drugs named by CMS: 20 in 2024, 19 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ryon K. Nakasone scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Nakasone for performance year 2024, reported through an alternative payment model (APM). Dr. Nakasone accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nakasone as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Nakasone's MIPS scores, performance year 2024
- 97of 100Final score
- 89.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Ryon K. Nakasone has 3 publications on record
Dmand AI links 3 papers to Dr. Nakasone, published from 2013 to 2022. Dr. Nakasone's most frequent co-author is Gene Titunik Yoshikawa, MD.
Papers3
Years published2013 to 2022
Dr. Nakasone's papers by year, 2013 to 2022
Dr. Nakasone's most frequent co-authors
Recent publications by Dr. Nakasone
J Gastrointest Cancer
Asian PeopleStomach Neoplasms
Thromb Haemost
Amino Acid SequenceAntibodies, MonoclonalAnticoagulants
See who Dr. Nakasone researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nakasone works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ryon K. Nakasone received $31,464 in industry payments from 2016 to 2025
CMS Open Payments shows 1,392 general payments to Dr. Nakasone from 78 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Bristol-Myers Squibb Company paid the most, $2,954.
General payments to Dr. Nakasone by program year, 2016 to 2025
General payments to Dr. Nakasone by kind, 2016 to 2025
$31.5Kin total
- Food and beverage$29,32693%
- Education$2,1377%
Companies that paid Dr. Nakasone the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryon K. Nakasone graduated from Johns Hopkins University School of Medicine
Dr. Nakasone graduated from Johns Hopkins University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryon K. Nakasone's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ryon K. Nakasone
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Ryon K. Nakasone's NPI number?
Dr. Ryon K. Nakasone's NPI number is 1114138351. It was assigned on May 25, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryon K. Nakasone?
Dr. Ryon K. Nakasone is a hematologist and oncologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Ryon K. Nakasone practice?
Dr. Nakasone practices at 1301 Punchbowl St, Honolulu, HI 96813. Dr. Nakasone's primary practice is The Queen's Medical Center in Honolulu, Hawaii, part of The Queen's Health Systems. Dmand AI also links Dr. Nakasone to 2 group practices and clinics and 1 medical group.
What is Dr. Ryon K. Nakasone's office phone number?
The practice phone on file for Dr. Nakasone is (808) 538-9011.
What is Dr. Ryon K. Nakasone's medical license number?
Dr. Nakasone holds Hawaii license MD-15109.
Which hospitals is Dr. Ryon K. Nakasone affiliated with?
Dr. Nakasone practices at The Queen's Medical Center in Honolulu, Hawaii. Dr. Nakasone is also affiliated with Kuakini Medical Center.
What medical group is Dr. Ryon K. Nakasone part of?
Dr. Nakasone is linked to The Queen's Medical Center. Dmand AI links Dr. Nakasone to 1 more medical group.
Does Dr. Ryon K. Nakasone accept Medicare?
Yes. CMS data shows Dr. Nakasone billed Medicare for 947 services in 2024, and Dr. Nakasone accepts Medicare assignment.
Does Dr. Ryon K. Nakasone offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nakasone as offering telehealth services.
What is Dr. Ryon K. Nakasone's MIPS score?
Dr. Nakasone's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Ryon K. Nakasone see?
CMS counts 219 Medicare patients who saw Dr. Nakasone in 2024, with an average age of 76.
What services does Dr. Ryon K. Nakasone bill to Medicare?
In 2024, Dr. Nakasone's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Ryon K. Nakasone go to medical school?
Dr. Nakasone graduated from Johns Hopkins University School of Medicine in 2006.
What drugs does Dr. Ryon K. Nakasone prescribe most?
In 2024 Medicare Part D data, Dr. Nakasone's most prescribed drugs by claims were Xtandi, Dexamethasone and Imbruvica.
Has Dr. Ryon K. Nakasone received payments from drug or device companies?
CMS Open Payments shows $31,464 in general payments to Dr. Nakasone from 78 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ryon K. Nakasone been practicing?
Dr. Nakasone graduated from medical school in 2006, 20 years ago.
Does Dr. Ryon K. Nakasone do research?
Dmand AI links 3 publications to Dr. Nakasone, published from 2013 to 2022.
Who does Dr. Ryon K. Nakasone publish with?
Dr. Nakasone's most frequent co-authors are Gene Titunik Yoshikawa, MD (1 shared paper).
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