Internal Medicine, Hematology & Oncology · Honolulu, HI
NPI
1346683463
Since 2013
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
321 N Kuakini St Ste 412
Honolulu, HI, 96817
Phone (808) 531-8521
Groups this clinician bills Medicare through
Medicare paid, 2024
$73K
803 services
Medicare patients, 2024
171
Average age 76
Drug cost, 2024
$4.3M
962 prescriptions
Company payments, 2025
$1,124
From 17 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Nicolas A Villanueva was code 99215 (office e&m - established), 230 times for 38 patients. In total Nicolas A Villanueva billed 803 services in 14 codes, and Medicare paid $73K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2023-01-12.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99215 Office E&M - Established | Facility | 230 | 38 | $104.27 | $24K |
| 99215 Office E&M - Established | Office | 214 | 38 | $108.36 | $23K |
| 99214 Office E&M - Established | Office | 94 | 47 | $80.24 | $7,542 |
| 99213 Office E&M - Established | Office | 72 | 41 | $54.18 | $3,901 |
| 99213 Office E&M - Established | Facility | 53 | 34 | $46.81 | $2,481 |
| 99214 Office E&M - Established | Facility | 50 | 28 | $72.79 | $3,640 |
| 99232 Hospital E&M - Subsequent | Facility | 40 | 12 | $60.59 | $2,423 |
| 99205 Office E&M - New | Office | 13 | 13 | $157.33 | $2,045 |
| 99205 Office E&M - New | Facility | 13 | 13 | $143.26 | $1,862 |
By year: 2022 $71K for 775 services; 2023 $76K for 796 services; 2024 $73K for 803 services.
Medicare prescription drug claims, 2024
In 2024, the drug Nicolas A Villanueva prescribed most often to Medicare patients was Dexamethasone, with 78 prescriptions and refills. In total Nicolas A Villanueva wrote 962 Medicare prescriptions that cost $4.3M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Dexamethasone Generic | 78 | 85 | 19 | $545 |
| Tagrisso Osimertinib Mesylate | 76 | 76 | Under 11 | $1.4M |
| Anastrozole Generic | 66 | 178 | 24 | $1,754 |
| Prochlorperazine Maleate Generic | 56 | 56 | 28 | $647 |
| Loperamide Loperamide Hcl | 36 | 36 | 18 | $322 |
| Eliquis Apixaban | 33 | 41 | Under 11 | $23K |
| Xtandi Enzalutamide | 31 | 31 | Under 11 | $253K |
| Tamoxifen Citrate Generic | 29 | 83 | 11 | $1,406 |
| Tabrecta Capmatinib Hydrochloride | 29 | 29 | Under 11 | $659K |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 24 | 31 | Under 11 | $106 |
| Prednisone Generic | 22 | 26 | Under 11 | $69.34 |
| Acyclovir Generic | 21 | 43 | Under 11 | $233 |
| Lenalidomide Generic | 20 | 20 | Under 11 | $300K |
| Hydroxyurea Generic | 20 | 38 | Under 11 | $372 |
| Potassium Chloride Generic | 19 | 19 | Under 11 | $594 |
Brand drugs: 288 claims; generic drugs: 674 claims; opioid claims: 24.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Nicolas A Villanueva $1,124 ($1,124 in general payments such as food, travel and fees) from 17 companies. The largest payer was US Oncology Corporate, Inc. with $210.
| Company | Payments | Amount |
|---|---|---|
| US Oncology Corporate, Inc. | 2 | $210 |
| Novartis Pharmaceuticals Corporation NVS | 7 | $161 |
| Merck Sharp & Dohme LLC MRK | 5 | $116 |
| AstraZeneca Pharmaceuticals LP AZN | 5 | $113 |
| Abbvie Inc. ABBV | 5 | $111 |
| Janssen Biotech, Inc. JNJ | 4 | $84.12 |
| Incyte Corporation INCY | 3 | $71.1 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 2 | $46.83 |
| Agios Pharmaceuticals, Inc. AGIO | 1 | $35.74 |
| Pfizer Inc. PFE | 1 | $28.7 |
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.