Internal Medicine, Infectious Disease · San Francisco, CA
NPI
1427122928
Since 2006
Specialty
Internal Medicine, Infectious Disease
Code 207RI0200X
Group practices
1
Medicare group memberships
Hospitals
3
Hospital affiliations
870 Market St, Suite 600
San Francisco, CA, 94102
Phone (415) 397-0700
Groups this clinician bills Medicare through
Medicare paid, 2024
$87K
975 services
Medicare patients, 2024
193
Average age 70
Drug cost, 2024
$8.7M
8,492 prescriptions
Company payments, 2025
$65K
From 19 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Shawn K Hassler was code 99214 (office e&m - established), 574 times for 168 patients. In total Shawn K Hassler billed 975 services in 24 codes, and Medicare paid $87K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2008-04-09.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 574 | 168 | $102.81 | $59K |
| 99215 Office E&M - Established | Office | 122 | 78 | $144.67 | $18K |
| 96372 Injection Administration | Office | 106 | 15 | $12.80 | $1,357 |
| G0008 Administration of influenza virus vaccine | Office | 42 | 42 | $34.30 | $1,441 |
| 90662 Vaccine Product | Office | 25 | 25 | $77.62 | $1,940 |
| 99213 Office E&M - Established | Office | 23 | 19 | $68.90 | $1,585 |
| 90656 Vaccine Product | Office | 15 | 15 | $21.90 | $329 |
By year: 2022 $99K for 1,118 services; 2023 $94K for 1,051 services; 2024 $87K for 975 services.
Medicare prescription drug claims, 2024
In 2024, the drug Shawn K Hassler prescribed most often to Medicare patients was Biktarvy (Bictegrav/Emtricit/Tenofov Ala), with 459 prescriptions and refills. In total Shawn K Hassler wrote 8,492 Medicare prescriptions that cost $8.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Biktarvy Bictegrav/Emtricit/Tenofov Ala | 459 | 506 | 55 | $2.0M |
| Atorvastatin Calcium Generic | 353 | 809 | 88 | $2,334 |
| Tivicay Dolutegravir Sodium | 180 | 186 | 20 | $450K |
| Dovato Dolutegravir Sodium/Lamivudine | 175 | 199 | 22 | $609K |
| Valacyclovir Valacyclovir Hcl | 175 | 320 | 42 | $7,120 |
| Acyclovir Generic | 173 | 346 | 37 | $5,245 |
| Pifeltro Doravirine | 171 | 181 | 18 | $315K |
| Lisinopril Generic | 159 | 374 | 39 | $1,007 |
| Testosterone Generic | 149 | 173 | 39 | $17K |
| Descovy Emtricitabine/Tenofov Alafenam | 149 | 182 | 19 | $393K |
| Tamsulosin Hcl Generic | 139 | 323 | 38 | $2,030 |
| Odefsey Emtricitab/Rilpiviri/Tenof Ala | 132 | 132 | 13 | $492K |
| Losartan Potassium Generic | 128 | 309 | 32 | $1,002 |
| Gabapentin Generic | 124 | 258 | 41 | $3,652 |
| Rosuvastatin Calcium Generic | 122 | 318 | 31 | $2,191 |
Brand drugs: - claims; generic drugs: 5,792 claims; opioid claims: 278.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Shawn K Hassler $65K ($65K in general payments such as food, travel and fees) from 19 companies. The largest payer was Gilead Sciences, Inc. with $35K.
| Company | Payments | Amount |
|---|---|---|
| Gilead Sciences, Inc. GILD | 71 | $35K |
| ViiV Healthcare Company GSK | 56 | $11K |
| Napo Pharmaceuticals Inc | 7 | $8,254 |
| Theratechnologies Inc. THTX | 17 | $5,139 |
| Merck Sharp & Dohme LLC MRK | 15 | $3,775 |
| EMD Serono, Inc. MRK.DE | 23 | $643 |
| Abbvie Inc. ABBV | 11 | $254 |
| Novo Nordisk Inc NVO | 12 | $252 |
| Antares Pharma, Inc. | 10 | $228 |
| Axsome Therapeutics, Inc. AXSM | 3 | $196 |
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.