Internal Medicine, Rheumatology · San Francisco, CA
NPI
1588802706
Since 2009
Specialty
Internal Medicine, Rheumatology
Code 207RR0500X
Group practices
2
Medicare group memberships
Hospitals
2
Hospital affiliations
3333 California St, Suite #270
San Francisco, CA, 94143
Phone (415) 476-2965
Groups this clinician bills Medicare through
Medicare paid, 2024
$2,392
24 services
Medicare patients, 2024
13
Average age 74
Drug cost, 2024
$2.3M
825 prescriptions
Company payments, 2025
$59.99
From 1 companies
Medicare prescription drug claims, 2024
In 2024, the drug Mary E Margaretten prescribed most often to Medicare patients was Humira Pen (Adalimumab), with 87 prescriptions and refills. In total Mary E Margaretten wrote 825 Medicare prescriptions that cost $2.3M.
| Drug |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-04-28.
| Claims |
|---|
| 30-day fills |
|---|
| Patients |
|---|
| Cost |
|---|
| Humira Pen Adalimumab | 87 | 92 | 12 | $877K |
| Rasuvo Methotrexate/Pf | 81 | 109 | 12 | $53K |
| Methotrexate Methotrexate Sodium | 74 | 154 | 20 | $2,709 |
| Prednisone Generic | 73 | 135 | 19 | $505 |
| Hydroxychloroquine Sulfate Generic | 67 | 173 | 17 | $2,550 |
| Humira(Cf) Pen Adalimumab | 35 | 45 | Under 11 | $324K |
| Orencia Clickject Abatacept | 35 | 35 | Under 11 | $187K |
| Alendronate Sodium Generic | 34 | 95 | 12 | $168 |
| Leflunomide Generic | 33 | 63 | Under 11 | $1,105 |
| Azathioprine Generic | 27 | 63 | Under 11 | $2,063 |
| Omeprazole Generic | 23 | 55 | Under 11 | $335 |
| Humira Adalimumab | 21 | 24 | Under 11 | $136K |
| Enbrel Sureclick Etanercept | 19 | 30 | Under 11 | $173K |
| Otrexup Methotrexate/Pf | 17 | 24 | Under 11 | $18K |
| Pantoprazole Sodium Generic | 16 | 48 | Under 11 | $249 |
Brand drugs: 362 claims; generic drugs: 463 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Mary E Margaretten $59.99 ($59.99 in general payments such as food, travel and fees) from 1 company. The largest payer was Janssen Biotech, Inc. with $59.99.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 1 | $59.99 |
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.