Internal Medicine, Hematology & Oncology · San Francisco, CA
NPI
1033155213
Since 2006
Specialty
Internal Medicine, Hematology & Oncology
Code 207RH0003X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
728 Pacific Ave, Suite 504
San Francisco, CA, 94133
Phone (415) 989-3390
Groups this clinician bills Medicare through
Medicare paid, 2024
$34K
317 services
Medicare patients, 2024
107
Average age 76
Drug cost, 2024
$2.2M
1,303 prescriptions
Company payments, 2025
$1,188
From 17 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Edward Y Chan was code 99214 (office e&m - established), 221 times for 87 patients. In total Edward Y Chan billed 317 services in 7 codes, and Medicare paid $34K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2025-09-11.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 221 | 87 | $108.16 | $24K |
| 99213 Office E&M - Established | Office | 26 | 11 | $53.00 | $1,378 |
| 99205 Office E&M - New | Office | 24 | 24 | $177.97 | $4,271 |
By year: 2022 $37K for 369 services; 2023 $36K for 320 services; 2024 $34K for 317 services.
Medicare prescription drug claims, 2024
In 2024, the drug Edward Y Chan prescribed most often to Medicare patients was Atorvastatin Calcium, with 93 prescriptions and refills. In total Edward Y Chan wrote 1,303 Medicare prescriptions that cost $2.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 93 | 279 | 28 | $1,342 |
| Tamoxifen Citrate Generic | 84 | 245 | 24 | $2,768 |
| Losartan Potassium Generic | 80 | 223 | 23 | $964 |
| Anastrozole Generic | 77 | 231 | 24 | $1,168 |
| Tagrisso Osimertinib Mesylate | 76 | 76 | Under 11 | $1.2M |
| Metformin Hcl Generic | 73 | 205 | 21 | $1,140 |
| Hydroxyurea Generic | 66 | 169 | 18 | $1,334 |
| Amlodipine Besylate Generic | 54 | 159 | 17 | $454 |
| Prednisone Generic | 42 | 70 | 13 | $360 |
| Allopurinol Generic | 30 | 89 | Under 11 | $298 |
| Atenolol Generic | 29 | 85 | Under 11 | $342 |
| Promacta Eltrombopag Olamine | 25 | 25 | Under 11 | $395K |
| Albuterol Sulfate Hfa Albuterol Sulfate | 23 | 28 | Under 11 | $29.18 |
| Promethazine Hcl Generic | 23 | 23 | Under 11 | $414 |
| Imatinib Mesylate Generic | 23 | 37 | Under 11 | $2,195 |
Brand drugs: - claims; generic drugs: 1,115 claims; opioid claims: 24.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Edward Y Chan $1,188 ($1,188 in general payments such as food, travel and fees) from 17 companies. The largest payer was AstraZeneca Pharmaceuticals LP with $415.
| Company | Payments | Amount |
|---|---|---|
| AstraZeneca Pharmaceuticals LP AZN | 12 | $415 |
| Agios Pharmaceuticals, Inc. AGIO | 3 | $104 |
| Regeneron Healthcare Solutions, Inc. REGN | 2 | $77.79 |
| Merck Sharp & Dohme LLC MRK | 2 | $62.76 |
| Travere Therapeutics, Inc. TVTX | 2 | $62.28 |
| E.R. Squibb & Sons, L.L.C. BMY | 2 | $60.81 |
| Celgene Corporation BMY | 2 | $55.84 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 2 | $52.9 |
| Array Biopharma Inc PFE | 2 | $52.06 |
| Janssen Biotech, Inc. JNJ | 2 | $51.56 |
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.