Internal Medicine, Nephrology · South Gate, CA
NPI
1295753655
Since 2006
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
1
Medicare group memberships
Hospitals
0
Hospital affiliations
9844 Atlantic Ave, Suite #a
South Gate, CA, 90280
Phone (310) 631-3502
Groups this clinician bills Medicare through
Medicare paid, 2024
$143K
593 services
Medicare patients, 2024
102
Average age 68
Drug cost, 2024
$691K
1,369 prescriptions
Company payments, 2025
$511
From 8 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Wen-Yuan M Chiang was code 90960 (esrd related services (not dialysis)), 367 times for 47 patients. In total Wen-Yuan M Chiang billed 593 services in 7 codes, and Medicare paid $143K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2016-01-28.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 90960 ESRD Related Services (not dialysis) | Office | 367 | 47 | $293.61 | $108K |
| 99214 Office E&M - Established | Office | 115 | 47 | $97.41 | $11K |
| 90961 ESRD Related Services (not dialysis) | Office | 59 | 26 | $243.92 | $14K |
| 90935 Hemodialysis | Office | 14 | 11 | $58.32 | $817 |
By year: 2022 $179K for 825 services; 2023 $135K for 582 services; 2024 $143K for 593 services.
Medicare prescription drug claims, 2024
In 2024, the drug Wen-Yuan M Chiang prescribed most often to Medicare patients was Sevelamer Carbonate, with 173 prescriptions and refills. In total Wen-Yuan M Chiang wrote 1,369 Medicare prescriptions that cost $691K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Sevelamer Carbonate Generic | 173 | 285 | 44 | $36K |
| Clinolipid Fat Emulsion/Olive/Soy/Phospho | 113 | 113 | Under 11 | $35K |
| Nifedipine Er Nifedipine | 76 | 187 | 26 | $5,100 |
| Calcitriol Generic | 63 | 139 | 21 | $890 |
| Farxiga Dapagliflozin Propanediol | 62 | 104 | 20 | $56K |
| Amlodipine Besylate Generic | 61 | 165 | 26 | $259 |
| Losartan Potassium Generic | 56 | 132 | 20 | $392 |
| Xphozah Tenapanor Hcl | 53 | 57 | 12 | $161K |
| Prednisone Generic | 44 | 54 | Under 11 | $198 |
| Hydralazine Hcl Generic | 40 | 85 | 16 | $613 |
| Calcium Acetate Generic | 32 | 65 | 15 | $2,618 |
| Metoprolol Succinate Generic | 28 | 64 | Under 11 | $335 |
| Veltassa Patiromer Calcium Sorbitex | 27 | 27 | Under 11 | $27K |
| Velphoro Sucroferric Oxyhydroxide | 23 | 27 | Under 11 | $79K |
| Carvedilol Generic | 23 | 55 | Under 11 | $185 |
Brand drugs: - claims; generic drugs: 996 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Wen-Yuan M Chiang $511 ($511 in general payments such as food, travel and fees) from 8 companies. The largest payer was Ardelyx, Inc. with $322.
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.