Internal Medicine, Nephrology · San Francisco, CA
NPI
1265461644
Since 2006
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
2
Medicare group memberships
Hospitals
5
Hospital affiliations
827 Pacific Ave
San Francisco, CA, 94133
Phone (415) 296-9809
Groups this clinician bills Medicare through
Medicare paid, 2024
$353K
2,238 services
Medicare patients, 2024
447
Average age 79
Drug cost, 2024
$545K
3,939 prescriptions
Company payments, 2025
$21K
From 16 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Fred Y Lui was code 99214 (office e&m - established), 660 times for 247 patients. In total Fred Y Lui billed 2,238 services in 12 codes, and Medicare paid $353K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-06-04.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 660 | 247 | $69.22 | $46K |
| 90961 ESRD Related Services (not dialysis) | Office | 447 | 53 | $264.79 | $118K |
| 99232 Hospital E&M - Subsequent | Facility | 340 | 86 | $69.77 | $24K |
| 90960 ESRD Related Services (not dialysis) | Office | 304 | 32 | $315.52 | $96K |
| 99233 Hospital E&M - Subsequent | Facility | 159 | 68 | $104.78 | $17K |
| 99223 Hospital E&M - Initial | Facility | 93 | 81 | $153.12 | $14K |
| 99205 Office E&M - New | Office | 62 | 62 | $180.70 | $11K |
| 99215 Office E&M - Established | Office | 58 | 57 | $144.12 | $8,359 |
| 90935 Hemodialysis | Facility | 51 | 30 | $62.48 | $3,186 |
By year: 2022 $453K for 2,775 services; 2023 $419K for 2,420 services; 2024 $353K for 2,238 services.
Medicare prescription drug claims, 2024
In 2024, the drug Fred Y Lui prescribed most often to Medicare patients was Prosol (Parenteral Amino Acid 20% No.1), with 546 prescriptions and refills. In total Fred Y Lui wrote 3,939 Medicare prescriptions that cost $545K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Prosol Parenteral Amino Acid 20% No.1 | 546 | 546 | 16 | $79K |
| Terazosin Hcl Generic | 432 | 1,277 | 133 | $12K |
| Amlodipine Besylate Generic | 393 | 1,142 | 134 | $2,434 |
| Losartan Potassium Generic | 320 | 915 | 100 | $3,296 |
| Hydralazine Hcl Generic | 209 | 590 | 70 | $3,461 |
| Allopurinol Generic | 207 | 593 | 62 | $2,392 |
| Furosemide Generic | 181 | 519 | 65 | $1,124 |
| Sevelamer Carbonate Generic | 155 | 389 | 53 | $59K |
| Calcium Acetate Generic | 145 | 329 | 46 | $14K |
| Clinolipid Fat Emulsion/Olive/Soy/Phospho | 106 | 106 | Under 11 | $27K |
| Hydrochlorothiazide Generic | 88 | 257 | 27 | $596 |
| Lisinopril Generic | 62 | 186 | 20 | $612 |
| Metoprolol Succinate Generic | 58 | 175 | 20 | $1,290 |
| Farxiga Dapagliflozin Propanediol | 45 | 75 | Under 11 | $37K |
| Jardiance Empagliflozin | 42 | 104 | 14 | $58K |
Brand drugs: 919 claims; generic drugs: 3,020 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Fred Y Lui $21K ($21K in general payments such as food, travel and fees) from 16 companies. The largest payer was AngioDynamics, Inc. with $20K.
| Company | Payments | Amount |
|---|---|---|
| AngioDynamics, Inc. ANGO | 1 | $20K |
| AstraZeneca Pharmaceuticals LP AZN | 7 | $190 |
| NxStage Medical, Inc. | 1 | $131 |
| Akebia Therapeutics Inc AKBA | 1 | $125 |
| Novo Nordisk Inc NVO | 1 | $110 |
| Agios Pharmaceuticals, Inc. AGIO | 3 | $104 |
| Travere Therapeutics, Inc. TVTX | 4 | $102 |
| Regeneron Healthcare Solutions, Inc. REGN | 2 | $77.79 |
| Merck Sharp & Dohme LLC MRK | 2 | $62.76 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 2 | $52.9 |
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.