Internal Medicine, Cardiovascular Disease · Guaynabo, PR
NPI
1508835869
Since 2006
Specialty
Internal Medicine, Cardiovascular Disease
Code 207RC0000X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
107 Gonzalez Giusti Ave, Caparra Gallery Building Suite 204
Guaynabo, PR, 00969
Phone (787) 782-6334
Groups this clinician bills Medicare through
Medicare paid, 2024
$6,590
124 services
Medicare patients, 2024
39
Average age 76
Drug cost, 2024
$2.1M
24,817 prescriptions
Company payments, 2025
$1,489
From 11 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Denis Ruiz-Serrano was code 99213 (office e&m - established), 42 times for 26 patients. In total Denis Ruiz-Serrano billed 124 services in 7 codes, and Medicare paid $6,590.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2011-10-14.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Office | 42 | 26 | $52.91 | $2,222 |
| 93000 Electrocardiogram | Office | 39 | 33 | $8.66 | $338 |
| 93306 Echocardiography (TTE/TEE) | Office | 23 | 23 | $129.17 | $2,971 |
| 99203 Office E&M - New | Office | 12 | 12 | $58.13 | $698 |
By year: 2022 $7,617 for 149 services; 2023 $4,653 for 120 services; 2024 $6,590 for 124 services.
Medicare prescription drug claims, 2024
In 2024, the drug Denis Ruiz-Serrano prescribed most often to Medicare patients was Atorvastatin Calcium, with 3,604 prescriptions and refills. In total Denis Ruiz-Serrano wrote 24,817 Medicare prescriptions that cost $2.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 3,604 | 8,018 | 1,218 | $48K |
| Amlodipine Besylate Generic | 2,171 | 4,892 | 739 | $12K |
| Losartan Potassium Generic | 2,105 | 4,617 | 673 | $26K |
| Metoprolol Succinate Generic | 1,960 | 4,288 | 618 | $38K |
| Ezetimibe Generic | 1,551 | 3,562 | 523 | $33K |
| Hydrochlorothiazide Generic | 1,331 | 2,881 | 447 | $6,960 |
| Rosuvastatin Calcium Generic | 1,324 | 2,969 | 442 | $22K |
| Spironolactone Generic | 1,183 | 2,434 | 356 | $14K |
| Lisinopril Generic | 1,090 | 2,591 | 376 | $8,784 |
| Hydralazine Hcl Generic | 834 | 1,751 | 262 | $17K |
| Eliquis Apixaban | 723 | 943 | 164 | $557K |
| Chlorthalidone Generic | 628 | 1,378 | 209 | $12K |
| Carvedilol Generic | 458 | 851 | 131 | $4,096 |
| Losartan-Hydrochlorothiazide Losartan/Hydrochlorothiazide | 431 | 951 | 145 | $9,103 |
| Entresto Sacubitril/Valsartan | 411 | 489 | 82 | $329K |
Brand drugs: 2,483 claims; generic drugs: 22,334 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Denis Ruiz-Serrano $1,489 ($1,489 in general payments such as food, travel and fees) from 11 companies. The largest payer was Boston Scientific Corporation with $303.
| Company | Payments | Amount |
|---|---|---|
| Boston Scientific Corporation BSX | 3 | $303 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 6 | $244 |
| Pbg Puerto Rico LLC | 9 | $223 |
| AstraZeneca Pharmaceuticals LP AZN | 9 | $213 |
| Scpharmaceuticals Inc. SCPH | 3 | $160 |
| Novartis Pharmaceuticals Corporation NVS | 4 | $92.78 |
| E.R. Squibb & Sons, L.L.C. BMY | 3 | $77.78 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 3 | $62.59 |
| Bayer Puerto Rico Inc. BAYN.DE | 2 | $48.12 |
| Amgen Inc. AMGN | 2 | $43 |
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.