Internal Medicine, Hematology & Oncology · Honolulu, HI
NPI
1295953123
Since 2007
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
500 Ala Moana Suite 6-230
Honolulu, HI, 96813
Phone (808) 524-6115
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.8M
74,976 services
Medicare patients, 2024
515
Average age 77
Drug cost, 2024
$11.9M
3,084 prescriptions
Company payments, 2025
$5,654
From 60 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by David J Tamura was code J9271 (injection, pembrolizumab, 1 mg), 8,008 times for 11 patients. In total David J Tamura billed 74,976 services in 138 codes, and Medicare paid $1.8M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-02-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J9271 Injection, pembrolizumab, 1 mg | Office | 8,008 | 11 | $44.96 | $360K |
| J0897 Injection, denosumab, 1 mg | Office | 6,798 | 25 | $20.73 | $141K |
| J0185 Injection, aprepitant, 1 mg | Office | 5,200 | 12 | $1.36 | $7,090 |
| J1100 Injection, dexamethasone sodium phosphate, 1 mg | Office | 1,450 | 35 | $0.09 | $130 |
| 36415 Venipuncture Blood Collection | Office | 1,141 | 329 | $7.01 | $8,003 |
| 99214 Office E&M - Established | Office | 1,137 | 373 | $97.33 | $111K |
| 85025 Blood Count | Office | 1,121 | 323 | $7.54 | $8,448 |
| J2469 Injection, palonosetron hcl, 25 mcg | Office | 600 | 17 | $0.63 | $380 |
| J2405 Injection, ondansetron hydrochloride, per 1 mg | Office | 572 | 21 | $0.07 | $42.67 |
| 80048 Clinical Chemistry | Office | 561 | 232 | $8.21 | $4,604 |
| 80076 Clinical Chemistry | Office | 542 | 227 | $7.93 | $4,296 |
| 80053 Clinical Chemistry | Office | 459 | 182 | $10.26 | $4,708 |
| 83615 Clinical Chemistry | Office | 409 | 242 | $5.84 | $2,389 |
| 96367 Intravenous Infusion, Hydration | Office | 273 | 35 | $24.14 | $6,590 |
| 99232 Hospital E&M - Subsequent | Facility | 256 | 58 | $62.32 | $16K |
By year: 2022 $2.3M for 124,178 services; 2023 $400K for 28,589 services; 2024 $1.8M for 74,976 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| 36415 Venipuncture Blood Collection | 1,141 | 329 | $7.01 | $8,003 |
| 85025 Blood Count | 1,121 | 323 | $7.54 | $8,448 |
| 80048 Clinical Chemistry | 561 | 232 | $8.21 | $4,604 |
| 80076 Clinical Chemistry | 542 | 227 | $7.93 | $4,296 |
| 80053 Clinical Chemistry | 459 | 182 | $10.26 | $4,708 |
| 83615 Clinical Chemistry | 409 | 242 | $5.84 | $2,389 |
| 84153 Clinical Chemistry | 230 | 88 | $17.89 | $4,115 |
| 82728 Clinical Chemistry | 201 | 144 | $13.25 | $2,663 |
| 82378 Clinical Chemistry | 142 | 77 | $18.45 | $2,620 |
| 84443 Clinical Chemistry | 138 | 67 | $16.38 | $2,261 |
Medicare prescription drug claims, 2024
In 2024, the drug David J Tamura prescribed most often to Medicare patients was Xgeva (Denosumab), with 181 prescriptions and refills. In total David J Tamura wrote 3,084 Medicare prescriptions that cost $11.9M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Xgeva Denosumab | 181 | 195 | 28 | $579K |
| Anastrozole Generic | 116 | 318 | 41 | $4,833 |
| Tagrisso Osimertinib Mesylate | 115 | 115 | 16 | $2.0M |
| Xtandi Enzalutamide | 90 | 92 | 13 | $1.1M |
| Prednisone Generic | 85 | 108 | 27 | $423 |
| Zoledronic Acid Generic | 85 | 102 | 19 | $14K |
| Pantoprazole Sodium Generic | 73 | 142 | 43 | $1,079 |
| Eliquis Apixaban | 73 | 111 | 21 | $62K |
| Keytruda Pembrolizumab | 70 | 70 | Under 11 | $907K |
| Lupron Depot Leuprolide Acetate | 68 | 164 | 23 | $347K |
| Nubeqa Darolutamide | 68 | 68 | Under 11 | $844K |
| Abiraterone Acetate Generic | 66 | 70 | 13 | $199K |
| Fosaprepitant Dimeglumine Generic | 65 | 65 | 19 | $6,198 |
| Procrit Epoetin Alfa | 57 | 57 | 12 | $93K |
| Orgovyx Relugolix | 53 | 55 | Under 11 | $153K |
Brand drugs: 1,399 claims; generic drugs: 1,685 claims; opioid claims: 115.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid David J Tamura $5,654 ($5,654 in general payments such as food, travel and fees) from 60 companies. The largest payer was Geron Corporation with $807.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.