Medical Doctor Program year 2025 Reported 2019–2025 Source: CMS Open Payments, 2026 publication

Weber Chen

Hematology & Oncology Pasadena, CA Medical Doctor

NPI 1679504393 CMS profile 1292844

50 Alessandro Pl Ste 310, Pasadena, CA 91105

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General payments

$26,740

1,139 records reported · program years 2019–2025

Research payments

$0

Paid to them · None reported · program years 2019–2025

Ownership & investment interest

$0

None reported

Through program year 2025, Weber Chen of Pasadena, CA is reported in the CMS Open Payments database as having received $26,740 across 1,139 general payments and $0 in research payments paid to them.

No combined total General, research and ownership are kept apart. Each is reported under its own rules, and ownership is not money that moved at all but the value of a stake held. A meal, a clinical trial grant and a shareholding do not add up to anything meaningful, so this site does not add them.

General payments for this record sit in the 84th percentile of Hematology & Oncology profiles with reported payments. Percentile describes the distribution, not the conduct.

By program year

7 rows
Year Kind Relative to this record's peak year Amount Records
2025 General $6,268 242
2024 General $5,240 215
2023 General $5,697 241
2022 General $3,976 176
2021 General $1,388 61
2020 General $1,817 91
2019 General $2,353 113

Beside peers

Year by year, beside peers General payments · among profiles paid that year
  • Weber Chen
  • Hematology & Oncology median
  • Middle half of Hematology & Oncology
  • National median

In program year 2025, general payments to Weber Chen were reported at $6,268. Among 8,769 Hematology & Oncology profiles paid that year, the median was $683 and the middle half received between $143 and $3,154.

Show as a table
Year Weber Chen Hematology & Oncology median Middle half National median
2019 $2,353 $529 $121–$2,516 $163
2020 $1,817 $339 $82–$2,213 $114
2021 $1,388 $263 $49–$1,965 $132
2022 $3,976 $416 $103–$2,395 $149
2023 $5,697 $542 $125–$2,646 $160
2024 $5,240 $692 $141–$3,008 $164
2025 $6,268 $683 $143–$3,154 $169

Breakdown

Who paid General payments · program years 2019–2025
  1. Janssen Biotech, Inc. $2,238 69 payments
  2. AstraZeneca Pharmaceuticals LP $2,178 90 payments
  3. Pfizer Inc. $1,736 89 payments
  4. Merck Sharp & Dohme Corporation $1,163 49 payments
  5. Array BioPharma Inc. $945 45 payments
  6. Genentech USA, Inc. $913 49 payments
  7. Gilead Sciences, Inc. $908 42 payments
  8. Novartis Pharmaceuticals Corporation $888 47 payments
  9. Amgen Inc. $810 38 payments
  10. GlaxoSmithKline, LLC. $807 33 payments
  11. Other $14,154 588 payments

Every payment, record by record

What the payments were for General payments · program years 2019–2025
  1. Food and Beverage $26,470 1,130 payments
  2. Education $270 9 payments
Products named General payments · program years 2019–2025
  1. KEYTRUDA $1,126 47 payments
  2. ERLEADA $1,047 26 payments
  3. BRAFTOVI $908 44 payments
  4. MEKTOVI $841 41 payments
  5. LORBRENA $797 37 payments
  6. ENHERTU $708 30 payments
  7. LYNPARZA $698 34 payments
  8. XTANDI $638 40 payments
  9. Trodelvy $615 29 payments
  10. IBRANCE $570 27 payments
  11. Other $25,831 1,124 payments

A payment can name more than one product, so these amounts overlap and do not add up to the general-payment figure.

Prescribing to Medicare patients

Part D · data year 2024 · 53 drugs

Part D claims

2,092

Median for Hematology-Oncology: 604

Drug cost

$11,318,112

Median for Hematology-Oncology: $1,306,514

Branded share of claims

59.5%

Median for Hematology-Oncology: 31.6%

Drugs this doctor was counted under in Medicare Part D 2024, by drug cost
Drug Type Relative to their largest Claims Drug cost
Tagrisso Osimertinib Mesylate Brand 124 $1,914,959
Xtandi Enzalutamide Brand 127 $1,675,023
Revlimid Lenalidomide Brand 95 $1,636,685
Lenvima Lenvatinib Mesylate Brand 30 $670,545
Vitrakvi Larotrectinib Sulfate Brand 19 $642,005
Jakafi Ruxolitinib Phosphate Brand 45 $635,075
Kisqali Ribociclib Succinate Brand 44 $594,900
Promacta Eltrombopag Olamine Brand 18 $521,742
Ibrance Palbociclib Brand 34 $372,141
Lupron Depot Leuprolide Acetate Brand 79 $346,767

The 10 drugs with the highest cost, of 53 counted.

Drug cost is what was paid for the drugs at the pharmacy — by Medicare, the patient and others — and is not money to the prescriber. Medicare Part D only: drugs dispensed to Medicare beneficiaries. A drug with fewer than 11 claims for this prescriber is not published, so a missing drug does not mean zero. The medians are for the 8,746 Part D prescribers listed as Hematology-Oncology; they describe a distribution and say nothing about conduct.

Billing to Medicare

Part B · data year 2024 · 108 billing codes

Paid by Medicare

$3,309,761

Of which drugs: $2,780,590

Medicare patients

753

Average age 76

Services billed

157,297

438 women, 315 men among their patients

Share of this provider's Medicare patients with each condition
Condition among their Medicare patients Relative to the most common Share of patients
High blood pressure 75%
Chronic kidney disease 57%
Diabetes 52%
Arthritis 47%
Cancer 45%
Ischemic heart disease 40%
Osteoporosis 33%
COPD 30%
Drugs given in the clinic that this provider billed Medicare Part B for
Drug given in the clinic Where Patients Services Paid by Medicare
Injection, pembrolizumab, 1 mg J9271 Office 14 16,200 $725,366
Injection, bevacizumab-adcd (vegzelma), biosimilar, 10 mg Q5129 Office 13 6,350 $318,301
Injection, denosumab, 1 mg J0897 Office 38 9,581 $194,969
Leuprolide acetate (for depot suspension), 7.5 mg J9217 Office 13 62 $2,830
Injection, zoledronic acid, 1 mg J3489 Office 17 248 $1,176
Injection, carboplatin, 50 mg J9045 Office 14 395 $1,096
Injection, oxaliplatin, 0.5 mg J9263 Office 12 19,300 $1,079
Injection, palonosetron hcl, 25 mcg J2469 Office 22 1,338 $914
Injection, fosaprepitant, 1 mg J1453 Office 11 8,106 $897
Injection, dexamethasone sodium phosphate, 1 mg J1100 Office 57 6,886 $620

Medicare Part B only: services billed to Medicare. Rows covering fewer than 11 beneficiaries are not published. Only drugs given in the clinic are itemised here; the rest of what this provider billed is in the total above.

Payments and prescribing

First 5 of 77 products · payments 2024

Two separate records. The payments come from Open Payments and the claims from Medicare. They are set side by side because they name the same product; they do not show that a payment affected a prescription.

Products this doctor was paid in connection with in 2024, beside Medicare claims for the same product
Product Paid by Related payments Part D claims Part B services
ENHERTU
$316 — —
KEYTRUDA
$185 — —
JAKAFI
$168 45 —
LIBTAYO
$139 — —
LYNPARZA
$136 20 —

A dash means Medicare published no figure for this doctor and product — fewer than 11 claims, or the product is not covered under that part — which is not the same as none. Payments are general payments only; one that names several products is split evenly between them, so an amount is payments related to the product, not money paid for it.

See more in the dashboard: 25 with a free account, all 77 with Patron

Records

1,139 reported

Every payment, record by record

Date, company, amount, what it was for and the product named — filter by year, kind and company, or download as CSV.

Related records

What this means

U.S. law requires drug and medical device manufacturers to report payments and transfers of value they make to physicians and teaching hospitals. The Centers for Medicare & Medicaid Services publishes that record each year. This page shows what was reported about this person, and nothing else.

An ownership interest is different from the other two. It is not a payment: it is a stake — shares, options, a partnership holding — that a physician or an immediate family member held in a manufacturer during that year. The figure shown is what the stake was reported to be worth.

Research payments frequently pass through a clinician to the institution running a trial, and rarely represent personal income. They should be read differently from general payments.

Provenance

Source: CMS Open Payments · through program year 2025

Data current to program year 2025, from CMS's 2026 publication.

We reproduce what manufacturers reported. We do not verify, edit or correct the underlying records.

A payment record is not evidence of wrongdoing. Financial relationships between industry and medicine are legal, common and often necessary for research. Who Paid My Doc reports what was disclosed; it does not judge it.

Who Paid My Doc is independent and is not affiliated with, endorsed by or sponsored by CMS or any U.S. government agency. It is not a consumer reporting agency and this is not a consumer report; do not use it for decisions covered by the Fair Credit Reporting Act.

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