Internal Medicine, Transplant Hepatology · San Francisco, CA
NPI
1942258728
Since 2006
Specialty
Internal Medicine, Transplant Hepatology
Code 207RT0003X
Group practices
1
Medicare group memberships
Hospitals
5
Hospital affiliations
1100 Van Ness Ave
San Francisco, CA, 94109
Phone (415) 600-1000
Groups this clinician bills Medicare through
Medicare paid, 2024
$126K
1,065 services
Medicare patients, 2024
399
Average age 69
Drug cost, 2024
$917K
1,662 prescriptions
Company payments, 2025
$112
From 1 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Raphael B Merriman was code 99233 (hospital e&m - subsequent), 299 times for 78 patients. In total Raphael B Merriman billed 1,065 services in 21 codes, and Medicare paid $126K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2022-10-28.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99233 Hospital E&M - Subsequent | Facility | 299 | 78 | $103.57 | $31K |
| 99215 Office E&M - Established | Office | 255 | 160 | $132.04 | $34K |
| 99215 Office E&M - Established | Facility | 184 | 91 | $123.92 | $23K |
| 99214 Office E&M - Established | Office | 70 | 55 | $86.26 | $6,038 |
| 99223 Hospital E&M - Initial | Facility | 60 | 57 | $153.37 | $9,202 |
| 99205 Office E&M - New | Office | 47 | 47 | $176.53 | $8,297 |
| 99214 Office E&M - Established | Facility | 41 | 24 | $81.01 | $3,321 |
| 99291 Critical Care E&M | Facility | 24 | 12 | $184.04 | $4,417 |
| 91200 Standard X-ray | Office | 16 | 16 | $26.82 | $429 |
| 99204 Office E&M - New | Office | 14 | 14 | $113.35 | $1,587 |
By year: 2022 $138K for 1,211 services; 2023 $138K for 1,174 services; 2024 $126K for 1,065 services.
Medicare prescription drug claims, 2024
In 2024, the drug Raphael B Merriman prescribed most often to Medicare patients was Tacrolimus, with 151 prescriptions and refills. In total Raphael B Merriman wrote 1,662 Medicare prescriptions that cost $917K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Tacrolimus Generic | 151 | 325 | 37 | $23K |
| Ursodiol Generic | 127 | 275 | 33 | $26K |
| Vemlidy Tenofovir Alafenamide | 120 | 146 | 18 | $210K |
| Xifaxan Rifaximin | 111 | 135 | 19 | $438K |
| Furosemide Generic | 101 | 194 | 31 | $554 |
| Spironolactone Generic | 98 | 199 | 28 | $1,650 |
| Entecavir Generic | 92 | 251 | 26 | $39K |
| Prednisone Generic | 77 | 128 | 26 | $589 |
| Tenofovir Disoproxil Fumarate Generic | 62 | 161 | 18 | $31K |
| Sulfamethoxazole-Trimethoprim Sulfamethoxazole/Trimethoprim | 55 | 80 | 16 | $421 |
| Lactulose Generic | 52 | 77 | 21 | $2,637 |
| Mycophenolate Mofetil Generic | 46 | 84 | 13 | $4,462 |
| Azathioprine Generic | 43 | 100 | 12 | $1,911 |
| Enulose Lactulose | 36 | 46 | Under 11 | $4,598 |
| Pantoprazole Sodium Generic | 33 | 47 | 16 | $333 |
Brand drugs: - claims; generic drugs: 1,310 claims; opioid claims: 11.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Raphael B Merriman $112 ($112 in general payments such as food, travel and fees) from 1 company. The largest payer was Cook Medical LLC with $112.
| Company | Payments | Amount |
|---|---|---|
| Cook Medical LLC | 1 | $112 |
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.