Healthcare provider profile · identity verified

Kevin Tin, M.D.

Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology · BROOKLYN, NY · NPI 1174812044

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show Kevin Tin, M.D. received $52,991.33 in general payments during 2025 across 164 reported records.

Madrigal Pharmaceuticals accounted for 58.4% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 20 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Creon, Ibsrela, Linzess, Vemlidy, Voquezna, Xifaxan.

ABBVIE INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported CREON as an associated drug or biological on 91561 records involving 20616 distinct recipient NPIs. Public Medicare Part D data also shows 64 claims for Creon by this doctor in 2024.

ABBVIE INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported LINZESS as an associated drug or biological on 87954 records involving 21815 distinct recipient NPIs. Public Medicare Part D data also shows 154 claims for Linzess by this doctor in 2024.

Ardelyx, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported IBSRELA as an associated drug or biological on 59980 records involving 18215 distinct recipient NPIs. Public Medicare Part D data also shows 16 claims for Ibsrela by this doctor in 2024.

Gilead Sciences, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Vemlidy as an associated drug or biological on 782 records involving 554 distinct recipient NPIs. Public Medicare Part D data also shows 57 claims for Vemlidy by this doctor in 2024.

IRONWOOD PHARMACEUTICALS, INC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Linzess as an associated drug or biological on 1209 records involving 1184 distinct recipient NPIs. Public Medicare Part D data also shows 154 claims for Linzess by this doctor in 2024.

Phathom Pharmaceuticals, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported VOQUEZNA as an associated drug or biological on 90302 records involving 33442 distinct recipient NPIs. Public Medicare Part D data also shows 159 claims for Voquezna by this doctor in 2024.

Salix Pharmaceuticals, a division of Bausch Health US, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported XIFAXAN as an associated drug or biological on 101901 records involving 33018 distinct recipient NPIs. Public Medicare Part D data also shows 27 claims for Xifaxan by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$52,991.33

164 reported records · 17 companies

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Madrigal Pharmaceuticals Unresolved — no canonical attribution shown $30,963.3958.4%472025
Phathom Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $7,965.8315.0%142025
ABBVIE INC. Unresolved — no canonical attribution shown $6,556.7212.4%312025
Gilead Sciences, Inc. Unresolved — no canonical attribution shown $6,194.3511.7%252025
Salix Pharmaceuticals, a division of Bausch Health US, LLC Unresolved — no canonical attribution shown $250.920.5%132025
Ardelyx, Inc. Unresolved — no canonical attribution shown $196.540.4%82025
Abbott Laboratories Unresolved — no canonical attribution shown $187.040.3%12025
Boston Scientific Corporation Unresolved — no canonical attribution shown $140.580.3%12025
QOL Medical, LLC Unresolved — no canonical attribution shown $125.930.2%52025
Janssen Biotech, Inc. Unresolved — no canonical attribution shown $116.260.2%52025
VIVUS LLC Unresolved — no canonical attribution shown $97.500.2%52025
PFIZER INC. Unresolved — no canonical attribution shown $50.200.1%22025
Novo Nordisk Inc Unresolved — no canonical attribution shown $48.740.1%22025
Aimmune Therapeutics, Inc. Unresolved — no canonical attribution shown $34.620.1%22025
Exact Sciences Corporation Unresolved — no canonical attribution shown $22.280.0%12025
Ipsen Biopharmaceuticals, Inc Unresolved — no canonical attribution shown $20.450.0%12025
IRONWOOD PHARMACEUTICALS, INC Unresolved — no canonical attribution shown $19.980.0%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$44,845.5014
Food and Beverage$4,831.36145
Consulting Fee$2,472.502
Travel and Lodging$841.973

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
REZDIFFRA
Normalized: rezdiffra
Drug Madrigal Pharmaceuticals $29,995.89 46 2025
Source payment records
VOQUEZNA
Normalized: voquezna
Drug Phathom Pharmaceuticals, Inc. $7,965.83 14 2025
Source payment records
CREON
Normalized: creon
Drug ABBVIE INC. $3,254.84 16 2025
Source payment records
Vemlidy
Normalized: vemlidy
Drug Gilead Sciences, Inc. $2,955.00 2 2025
Source payment records
SKYRIZI
Normalized: skyrizi
Biological ABBVIE INC. $334.93 10 2025
Source payment records
XIFAXAN
Normalized: xifaxan
Drug Salix Pharmaceuticals, a division of Bausch Health US, LLC $250.92 13 2025
Source payment records
  • 2025-01-15 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $19.11 · Open Payments source
  • 2025-03-04 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $20.13 · Open Payments source
  • 2025-05-27 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $18.40 · Open Payments source
  • 2025-06-10 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $17.67 · Open Payments source
  • 2025-06-10 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $25.00 · Open Payments source
  • 2025-07-28 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $11.08 · Open Payments source
  • 2025-09-03 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $22.70 · Open Payments source
  • 2025-09-25 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $17.77 · Open Payments source
  • 2025-09-29 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $22.68 · Open Payments source
  • 2025-11-10 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $21.65 · Open Payments source
  • 2025-11-10 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $21.14 · Open Payments source
  • 2025-12-01 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $15.24 · Open Payments source
  • 2025-12-15 · Salix Pharmaceuticals, a division of Bausch Health US, LLC · $18.35 · Open Payments source
RINVOQ
Normalized: rinvoq
Biological ABBVIE INC. $210.96 9 2025
Source payment records
IBSRELA
Normalized: ibsrela
Drug Ardelyx, Inc. $196.54 8 2025
Source payment records
ESPRIT
Normalized: esprit
Device Abbott Laboratories $187.04 1 2025
Source payment records
Bulkamid
Normalized: bulkamid
Device Boston Scientific Corporation $140.58 1 2025
Source payment records
Sucraid
Normalized: sucraid
Drug QOL Medical, LLC $125.93 5 2025
Source payment records
TREMFYA
Normalized: tremfya
Drug Janssen Biotech, Inc. $116.26 5 2025
Source payment records
PANCREAZE
Normalized: pancreaze
Drug VIVUS LLC $97.50 5 2025
Source payment records
MAVYRET
Normalized: mavyret
Drug ABBVIE INC. $61.92 3 2025
Source payment records
VELSIPITY
Normalized: velsipity
Drug PFIZER INC. $50.20 2 2025
Source payment records
LINZESS
Normalized: linzess
Drug ABBVIE INC., IRONWOOD PHARMACEUTICALS, INC $50.01 2 2025
Source payment records
Wegovy
Normalized: wegovy
Drug Novo Nordisk Inc $48.74 2 2025
Source payment records
VOWST
Normalized: vowst
Biological Aimmune Therapeutics, Inc. $34.62 2 2025
Source payment records
Cologuard Collection Kit
Normalized: cologuard collection kit
Device Exact Sciences Corporation $22.28 1 2025
Source payment records
IQIRVO
Normalized: iqirvo
Drug Ipsen Biopharmaceuticals, Inc $20.45 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
CREON
creon
2025 Creon 2024 64 exact normalized Medicare Part D
IBSRELA
ibsrela
2025 Ibsrela 2024 16
Beneficiary count suppressed
exact normalized Medicare Part D
LINZESS
linzess
2025 Linzess 2024 154 exact normalized Medicare Part D
Vemlidy
vemlidy
2025 Vemlidy 2024 57
Beneficiary count suppressed
exact normalized Medicare Part D
VOQUEZNA
voquezna
2025 Voquezna 2024 159 exact normalized Medicare Part D
XIFAXAN
xifaxan
2025 Xifaxan 2024 27 exact normalized Medicare Part D

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 CREON
open payments reported associated product
CMS Open Payments — General Payments
91561 supporting records · 20616 recipient NPIs · example record 1201352608
Creon · 2024
Exact normalized brand match · 1 Part D row
64 22
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 LINZESS
open payments reported associated product
CMS Open Payments — General Payments
87954 supporting records · 21815 recipient NPIs · example record 1201352608
Linzess · 2024
Exact normalized brand match · 1 Part D row
154 74
Ardelyx, Inc.
Exact reporting entity; no affiliate inference
2025 IBSRELA
open payments reported associated product
CMS Open Payments — General Payments
59980 supporting records · 18215 recipient NPIs · example record 1247828901
Ibsrela · 2024
Exact normalized brand match · 1 Part D row
16 suppressed by CMS
Gilead Sciences, Inc.
Exact reporting entity; no affiliate inference
2025 Vemlidy
open payments reported associated product
CMS Open Payments — General Payments
782 supporting records · 554 recipient NPIs · example record 1234350906
Vemlidy · 2024
Exact normalized brand match · 1 Part D row
57 suppressed by CMS
IRONWOOD PHARMACEUTICALS, INC
Exact reporting entity; no affiliate inference
2025 Linzess
open payments reported associated product
CMS Open Payments — General Payments
1209 supporting records · 1184 recipient NPIs · example record 1227653589
Linzess · 2024
Exact normalized brand match · 1 Part D row
154 74
Phathom Pharmaceuticals, Inc.
Exact reporting entity; no affiliate inference
2025 VOQUEZNA
open payments reported associated product
CMS Open Payments — General Payments
90302 supporting records · 33442 recipient NPIs · example record 1219216983
Voquezna · 2024
Exact normalized brand match · 1 Part D row
159 68
Salix Pharmaceuticals, a division of Bausch Health US, LLC
Exact reporting entity; no affiliate inference
2025 XIFAXAN
open payments reported associated product
CMS Open Payments — General Payments
101901 supporting records · 33018 recipient NPIs · example record 1231775337
Xifaxan · 2024
Exact normalized brand match · 1 Part D row
27 13

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Pantoprazole SodiumPantoprazole Sodium849424
SucralfateSucralfate305184
VoqueznaVonoprazan Fumarate15968
LinzessLinaclotide15474
Gavilyte-GPeg3350/Sod Sulf,bicarb,cl/Kcl150149
Ondansetron OdtOndansetron141139
Omeprazole-Sodium BicarbonateOmeprazole/Sodium Bicarbonate11030
Procto-Med HcHydrocortisone8469
HydrocortisoneHydrocortisone8362
Esomeprazole MagnesiumEsomeprazole Magnesium6524
CreonLipase/Protease/Amylase6422
MirtazapineMirtazapine6320
Dicyclomine HclDicyclomine Hcl5836
VemlidyTenofovir Alafenamide57suppressed
OmeprazoleOmeprazole5029
FamotidineFamotidine4518
Dexlansoprazole DrDexlansoprazole4114
UrsodiolUrsodiol3912
Sod Sulf-Potass Sulf-Mag SulfSodium, Potassium,mag Sulfates3737
Amlodipine BesylateAmlodipine Besylate3614
Atorvastatin CalciumAtorvastatin Calcium3517
LevofloxacinLevofloxacin2824
XifaxanRifaximin2713
FurosemideFurosemide2615
Carbidopa-LevodopaCarbidopa/Levodopa25suppressed
GabapentinGabapentin2511
Ipratropium BromideIpratropium Bromide2518
Tramadol HclTramadol Hcl25suppressed
AmoxicillinAmoxicillin2423
SantylCollagenase Clostridium Hist.24suppressed
Ciprofloxacin HclCiprofloxacin Hcl2221
Triamcinolone AcetonideTriamcinolone Acetonide2216
Losartan PotassiumLosartan Potassium2011
Metoprolol SuccinateMetoprolol Succinate2013
Metoprolol TartrateMetoprolol Tartrate2013
Hydralazine HclHydralazine Hcl18suppressed
ClarithromycinClarithromycin1717
Levothyroxine SodiumLevothyroxine Sodium17suppressed
Peg-3350 And ElectrolytesPeg3350/Sod Sulf,bicarb,cl/Kcl1717
IbsrelaTenapanor Hcl16suppressed
Mesalamine ErMesalamine16suppressed
Quetiapine FumarateQuetiapine Fumarate16suppressed
LorazepamLorazepam15suppressed
Potassium ChloridePotassium Chloride15suppressed
Pravastatin SodiumPravastatin Sodium15suppressed
Tamsulosin HclTamsulosin Hcl15suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa14suppressed
VascepaIcosapent Ethyl14suppressed
Gavilyte-CPeg3350/Sod Sulf,bicarb,cl/Kcl1313
JardianceEmpagliflozin13suppressed
Ondansetron HclOndansetron Hcl1312
Proctozone-HcHydrocortisone1311
Sertraline HclSertraline Hcl13suppressed
Sevelamer CarbonateSevelamer Carbonate13suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc1211
Metoclopramide HclMetoclopramide Hcl12suppressed
NystatinNystatin12suppressed
PregabalinPregabalin12suppressed
Clindamycin PhosphateClindamycin Phosphate11suppressed
ClinimixAa 4.25 % No.1/Dextrose 5 %11suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $52,991.33 · 164 records Madrigal Pharmaceuticals Bulkamid, CREON, Cologuard Collection Kit, ESPRIT, IBSRELA, IQIRVO, LINZESS, MAVYRET, PANCREAZE, REZDIFFRA, RINVOQ, SKYRIZI, Sucraid, TREMFYA, VELSIPITY, VOQUEZNA, VOWST, Vemlidy, Wegovy, XIFAXAN 7
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error