RxDoctor Payments Data

Hardeep Singh, MD

Gastroenterology · Orange, CANPI 1275544074

Payments from drug & device makers

$14,114in general payments, 2019–2025

Across 726 payments — averaging $19.44 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.

  • AbbVie$4K
  • Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$2K
  • Takeda Pharmaceuticals U.S.A., Inc.$1K
  • Bristol Myers Squibb$808
  • Boston Scientific$664
  • Pfizer$597
  • plus $5K from 43 others

What the payments were for

  • Food & beverage$14,091100%
  • Education$220%

Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.

General payments by program year

19
20
21
22
23
24
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.

What the payments were tied to

Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.

How this compares

$14,114 in reported general payments places this provider in the 80th percentile of 1,885 gastroenterology providers in California.

See all gastroenterology providers in California

Medicare billing

Part B allowed, 2024
$487,934
Medicare patients
1,064
Services billed
4,910

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
Humira(Cf) PenAdalimumab12$81,739
XifaxanRifaximin12$31,764
Sod Sulf-Potass Sulf-Mag SulfSodium, Potassium,mag Sulfates360$20,855
LinzessLinaclotide12$16,256
Pantoprazole Sodium313$5,320
Chlorpromazine Hcl11$3,881
Mesalamine11$2,891
Famotidine69$1,217
Omeprazole41$853
Hydrocortisone39$851
Lactulose15$734
Divalproex Sodium ErDivalproex Sodium20$682
Esomeprazole Magnesium14$604
Dicyclomine Hcl21$513
Fluphenazine Hcl11$247

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
Salix Pharmaceuticals, A Division Of Bausch Health US, LLCXifaxan$1,913$31,76412 claims
AbbVieLinzess$4,039$16,25612 claims
Lilly USA, LLCOlanzapine$49$14914 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 1,885 gastroenterology providers in California.

Other gastroenterology in Orange

See the full list for California

Where these figures come from

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