RxDoctor Payments Data

Kai Sun, MD

Hematology & Oncology · Houston, TXNPI 1841746112

Payments from drug & device makers

$493,209in general payments, 2019–2025

Across 43 payments — averaging $11,470 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • AstraZeneca$371K
  • Genentech, Inc.$113K
  • Pfizer$10K
  • Gilead$32
  • Bristol Myers Squibb$15
  • Tactile Systems Technology Inc$13

What the payments were for

  • Food & beverage$8447%
  • Education$9353%

General payments by program year

21
22
23
25

Who reported the general payments

Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.

CompanyPaymentsTotal
AstraZeneca5$370,529
Genentech, Inc.31$112,571
Pfizer3$10,049
Gilead2$32
Bristol Myers Squibb1$15
Tactile Systems Technology Inc1$13

How this compares

$493,209 in reported general payments places this provider in the 80th percentile of 838 hematology & oncology providers in Texas.

See all hematology & oncology providers in Texas

Medicare billing

Part B allowed, 2024
$38,005
Medicare patients
116
Services billed
277

What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.

Most prescribed under Part D

DrugClaimsCost to plans & patients
VerzenioAbemaciclib20$309,466
IbrancePalbociclib16$251,829
Exemestane14$7,444
Letrozole166$3,999
Tamoxifen Citrate62$1,868
Anastrozole21$462
Duloxetine Hcl12$187
Gabapentin21$138
Levetiracetam11$34

Paid to pharmacies, not to this prescriber.

Companies that both paid and supply prescribed drugs

These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.

CompanyPaid to this providerPart D cost of their drugs
PfizerIbrance$10,049$251,82916 claims

Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 80th percentile of 838 hematology & oncology providers in Texas.

Other hematology & oncology in Houston

See the full list for Texas

Where these figures come from

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