Doctor profile · Federal record
Dr. Ryon Nakasone, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Honolulu, HI
- NPI 1114138351
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
321 N Kuakini St, 412
Honolulu, HI 968172364
(808) 531-8521 - Mailing address
-
321 N Kuakini St Ste 404
Honolulu, HI 968172360
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- January 12, 2023
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Hawaii #MD-15109
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114138351. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,038
Distinct HCPCS
7
Medicare allowed
$129,908
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 424 | 153 | $108 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 404 | 62 | $168 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 98 | 58 | $77 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 32 | 21 | $7 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 13 | $81 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 26 | 26 | $201 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 23 | 18 | $49 |
In context: peer comparison
Among 12 peers in Honolulu Hematology & Oncology Physician, average services per provider: 222. This provider delivers 4.7× the peer median.Open Payments
Industry payments received
All-time total
$3,376
Transactions
118
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 15 | $353.34 | |
| E.R. Squibb & Sons, L.L.C. | 19 | $254.14 | |
| AstraZeneca Pharmaceuticals Lp | 10 | $238.13 | |
| Janssen Biotech, INC. | 8 | $226.73 | |
| Incyte Corporation | 13 | $193.43 | |
| Takeda Pharmaceuticals U.S.A., INC. | 11 | $184.21 | |
| US Oncology Corporate, INC. | 1 | $168.35 | |
| Abbvie INC. | 13 | $167.91 | |
| Aveo Pharmaceuticals, INC. | 4 | $153.26 | |
| Vertos Medical, INC. | 1 | $138.45 | |
| Eisai INC. | 7 | $136.04 | |
| Merck Sharp & Dohme LLC | 6 | $126.34 | |
| McKesson Specialty Care Distribution, LLC | 2 | $125.57 | |
| Pfizer INC. | 4 | $117.01 | |
| Genentech USA, INC. | 4 | $110.14 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
515
Patients
44
Total drug cost
$3,492,336
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Xtandi (Enzalutamide) | Brand | 68 | 0 | $957,213 |
| Tagrisso (Osimertinib Mesylate) | Brand | 63 | 0 | $1,060,003 |
| Imbruvica (Ibrutinib) | Brand | 54 | 0 | $696,601 |
| Dexamethasone | Generic | 52 | 15 | $608 |
| Acyclovir | Generic | 48 | 0 | $648 |
| Eliquis (Apixaban) | Brand | 43 | 0 | $26,545 |
| Anastrozole | Generic | 40 | 12 | $1,533 |
| Prednisone | Generic | 33 | 0 | $198 |
| Ondansetron Hcl | Generic | 23 | 17 | $395 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 21 | 0 | $79 |
Hospital affiliations
Frequently asked questions
What is Dr. Ryon Nakasone's medical specialty?
Dr. Ryon Nakasone practices Hematology & Oncology Physician in Honolulu, HI.
Where does Dr. Ryon Nakasone practice?
Dr. Ryon Nakasone practices at 321 N Kuakini St, Honolulu, HI 968172364. Office phone: 8085318521.
What is Dr. Ryon Nakasone's NPI?
Dr. Ryon Nakasone's National Provider Identifier (NPI) is 1114138351, issued by NPPES.
Does Dr. Ryon Nakasone accept Medicare assignment?
Yes. Dr. Ryon Nakasone accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryon Nakasone commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.