Internal Medicine, Nephrology · San Juan, PR
NPI
1487041596
Since 2015
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
2
Medicare group memberships
Hospitals
1
Hospital affiliations
155 Ave Arterial Hostos Apt 222
San Juan, PR, 00918
Phone (787) 316-3753
Groups this clinician bills Medicare through
Medicare paid, 2024
$14K
270 services
Medicare patients, 2024
107
Average age 54
Drug cost, 2024
$180K
4,930 prescriptions
Company payments, 2025
$60.1
From 3 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Keysha M Lopez Vega was code 99213 (office e&m - established), 170 times for 75 patients. In total Keysha M Lopez Vega billed 270 services in 5 codes, and Medicare paid $14K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2021-07-06.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99213 Office E&M - Established | Facility | 170 | 75 | $45.14 | $7,673 |
| 99232 Hospital E&M - Subsequent | Facility | 54 | 18 | $59.09 | $3,191 |
| 99214 Office E&M - Established | Facility | 31 | 23 | $68.53 | $2,124 |
By year: 2022 $18K for 359 services; 2023 $19K for 339 services; 2024 $14K for 270 services.
Medicare prescription drug claims, 2024
In 2024, the drug Keysha M Lopez Vega prescribed most often to Medicare patients was Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim), with 1,501 prescriptions and refills. In total Keysha M Lopez Vega wrote 4,930 Medicare prescriptions that cost $180K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 1,501 | 1,506 | 257 | $5,817 |
| Famotidine Generic | 910 | 920 | 167 | $4,478 |
| Prednisone Generic | 211 | 211 | 46 | $1,372 |
| Cinacalcet Hcl Generic | 171 | 171 | 33 | $9,520 |
| Losartan Potassium Generic | 159 | 203 | 44 | $1,095 |
| Valganciclovir Hcl Generic | 132 | 132 | 36 | $29K |
| Carvedilol Generic | 116 | 122 | 31 | $686 |
| Trimethoprim Generic | 116 | 116 | 23 | $2,296 |
| Amlodipine Besylate Generic | 95 | 107 | 30 | $417 |
| Omeprazole Generic | 85 | 85 | 16 | $436 |
| Atorvastatin Calcium Generic | 69 | 77 | 21 | $431 |
| Pantoprazole Sodium Generic | 61 | 63 | 22 | $410 |
| Furosemide Generic | 60 | 62 | 15 | $253 |
| Tamsulosin Hcl Generic | 55 | 61 | 16 | $462 |
| Synthroid Levothyroxine Sodium | 49 | 55 | 11 | $2,679 |
Brand drugs: - claims; generic drugs: 4,546 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Keysha M Lopez Vega $60.1 ($60.1 in general payments such as food, travel and fees) from 3 companies. The largest payer was Vifor Pharma, Inc. with $23.15.
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.