Internal Medicine, Nephrology · Laredo, TX
NPI
1376700161
Since 2008
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
2325 E Saunders St Plaza Two
Laredo, TX, 78041
Phone (956) 723-4673
Groups this clinician bills Medicare through
Medicare paid, 2024
$195K
1,451 services
Medicare patients, 2024
353
Average age 69
Drug cost, 2024
$747K
2,295 prescriptions
Company payments, 2025
$152
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Chalit Wanthakawikran was code 90960 (esrd related services (not dialysis)), 375 times for 116 patients. In total Chalit Wanthakawikran billed 1,451 services in 19 codes, and Medicare paid $195K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-23.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 90960 ESRD Related Services (not dialysis) | Office | 375 | 116 | $266.57 | $100K |
| 99214 Office E&M - Established | Office | 312 | 122 | $59.41 | $19K |
| 99232 Hospital E&M - Subsequent | Facility | 276 | 81 | $59.80 | $17K |
| 99233 Hospital E&M - Subsequent | Facility | 139 | 59 | $89.91 | $12K |
| 90961 ESRD Related Services (not dialysis) | Office | 88 | 41 | $218.63 | $19K |
| 99223 Hospital E&M - Initial | Facility | 49 | 47 | $130.47 | $6,393 |
| 99222 Hospital E&M - Initial | Facility | 30 | 28 | $99.19 | $2,976 |
| 99213 Office E&M - Established | Office | 28 | 19 | $39.49 | $1,106 |
| 90935 Hemodialysis | Facility | 24 | 20 | $53.63 | $1,287 |
| 99204 Office E&M - New | Office | 15 | 15 | $118.69 | $1,780 |
By year: 2022 $328K for 2,272 services; 2023 $240K for 1,755 services; 2024 $195K for 1,451 services.
Medicare prescription drug claims, 2024
In 2024, the drug Chalit Wanthakawikran prescribed most often to Medicare patients was Sevelamer Carbonate, with 242 prescriptions and refills. In total Chalit Wanthakawikran wrote 2,295 Medicare prescriptions that cost $747K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Sevelamer Carbonate Generic | 242 | 425 | 74 | $69K |
| Carvedilol Generic | 160 | 360 | 60 | $793 |
| Losartan Potassium Generic | 116 | 202 | 35 | $612 |
| Chlorthalidone Generic | 98 | 249 | 39 | $1,759 |
| Furosemide Generic | 96 | 243 | 42 | $536 |
| Nifedipine Er Nifedipine | 90 | 202 | 40 | $3,505 |
| Lisinopril Generic | 84 | 224 | 41 | $305 |
| Velphoro Sucroferric Oxyhydroxide | 77 | 93 | 21 | $214K |
| Farxiga Dapagliflozin Propanediol | 73 | 143 | 24 | $78K |
| Calcium Acetate Generic | 69 | 115 | 23 | $6,565 |
| Lokelma Sodium Zirconium Cyclosilicate | 67 | 99 | 27 | $71K |
| Auryxia Ferric Citrate | 65 | 109 | 15 | $84K |
| Lidocaine-Prilocaine Lidocaine/Prilocaine | 58 | 59 | 18 | $981 |
| Veltassa Patiromer Calcium Sorbitex | 58 | 96 | 22 | $91K |
| Calcitriol Generic | 50 | 97 | 15 | $841 |
Brand drugs: - claims; generic drugs: 1,832 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Chalit Wanthakawikran $152 ($152 in general payments such as food, travel and fees) from 2 companies. The largest payer was Mallinckrodt Hospital Products Inc. with $129.
| Company | Payments | Amount |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | 3 | $129 |
| Calliditas Therapeutics US Inc. | 1 | $22.27 |
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.