Physician Assistant · Stanford, CA
NPI
1609124965
Since 2012
Specialty
Physician Assistant
Code 363A00000X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
300 Pasteur Dr
Stanford, CA, 94305
Phone (650) 723-4000
Groups this clinician bills Medicare through
Medicare paid, 2024
$36K
391 services
Medicare patients, 2024
241
Average age 73
Drug cost, 2024
$1.1M
1,289 prescriptions
Company payments, 2025
$244
From 2 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Alfred F Tobias was code 99214 (office e&m - established), 310 times for 206 patients. In total Alfred F Tobias billed 391 services in 5 codes, and Medicare paid $36K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-12-19.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 310 | 206 | $86.12 | $27K |
| 99215 Office E&M - Established | Office | 45 | 29 | $130.41 | $5,869 |
| 99204 Office E&M - New | Office | 14 | 14 | $104.72 | $1,466 |
By year: 2022 $18K for 280 services; 2023 $26K for 358 services; 2024 $36K for 391 services.
Medicare prescription drug claims, 2024
In 2024, the drug Alfred F Tobias prescribed most often to Medicare patients was Entecavir, with 314 prescriptions and refills. In total Alfred F Tobias wrote 1,289 Medicare prescriptions that cost $1.1M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Entecavir Generic | 314 | 454 | 53 | $40K |
| Vemlidy Tenofovir Alafenamide | 283 | 315 | 44 | $461K |
| Ursodiol Generic | 145 | 286 | 36 | $33K |
| Xifaxan Rifaximin | 65 | 65 | 15 | $197K |
| Azathioprine Generic | 63 | 141 | 23 | $2,712 |
| Lactulose Generic | 55 | 76 | 20 | $2,377 |
| Spironolactone Generic | 43 | 89 | 13 | $478 |
| Prednisone Generic | 40 | 40 | Under 11 | $194 |
| Furosemide Generic | 40 | 87 | 13 | $228 |
| Tenofovir Disoproxil Fumarate Generic | 26 | 54 | Under 11 | $15K |
| Carvedilol Generic | 23 | 33 | Under 11 | $123 |
| Baraclude Entecavir | 23 | 33 | Under 11 | $43K |
| Budesonide Ec Budesonide | 20 | 42 | Under 11 | $4,790 |
| Fenofibrate Generic | 12 | 24 | Under 11 | $836 |
| Pantoprazole Sodium Generic | 11 | 23 | Under 11 | $215 |
Brand drugs: 437 claims; generic drugs: 852 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Alfred F Tobias $244 ($244 in general payments such as food, travel and fees) from 2 companies. The largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC with $125.
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.