Healthcare provider profile · identity verified

Brian C Carolan, DO

Allopathic & Osteopathic Physicians|Family Medicine · WAINSCOTT, NY · NPI 1730672429

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 Brian C Carolan, DO received $285.56 in general payments during 2025 across 4 reported records.

AstraZeneca Pharmaceuticals LP accounted for 56.6% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 3 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Farxiga.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported FARXIGA as an associated drug or biological on 106133 records involving 42906 distinct recipient NPIs. Public Medicare Part D data also shows 41 claims for Farxiga by this doctor in 2024.

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

Payment overview · 2025

General Payments

$285.56

4 reported records · 2 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
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $161.5856.6%32025
ViiV Healthcare Company Unresolved — no canonical attribution shown $123.9843.4%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$285.564

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
APRETUDE
Normalized: apretude
Drug ViiV Healthcare Company $123.98 1 2025
Source payment records
BREZTRI
Normalized: breztri
Drug AstraZeneca Pharmaceuticals LP $120.97 1 2025
Source payment records
FARXIGA
Normalized: farxiga
Drug AstraZeneca Pharmaceuticals LP $40.61 2 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
FARXIGA
farxiga
2025 Farxiga 2024 41
Beneficiary count suppressed
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
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 FARXIGA
open payments reported associated product
CMS Open Payments — General Payments
106133 supporting records · 42906 recipient NPIs · example record 1206131362
Farxiga · 2024
Exact normalized brand match · 1 Part D row
41 suppressed by CMS

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
Atorvastatin CalciumAtorvastatin Calcium25188
Amlodipine BesylateAmlodipine Besylate12442
Losartan PotassiumLosartan Potassium11444
Levothyroxine SodiumLevothyroxine Sodium10233
Zolpidem TartrateZolpidem Tartrate9424
Metoprolol SuccinateMetoprolol Succinate8928
LisinoprilLisinopril8028
Sertraline HclSertraline Hcl4915
Metformin HclMetformin Hcl4816
HydrochlorothiazideHydrochlorothiazide4719
Pantoprazole SodiumPantoprazole Sodium4622
Rosuvastatin CalciumRosuvastatin Calcium4621
OzempicSemaglutide42suppressed
Tamsulosin HclTamsulosin Hcl4217
EliquisApixaban41suppressed
FarxigaDapagliflozin Propanediol41suppressed
RamiprilRamipril3912
SimvastatinSimvastatin3713
Escitalopram OxalateEscitalopram Oxalate3615
FamotidineFamotidine3615
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen35suppressed
PregabalinPregabalin35suppressed
OmeprazoleOmeprazole3414
FurosemideFurosemide32suppressed
Metformin Hcl ErMetformin Hcl3211
Albuterol Sulfate HfaAlbuterol Sulfate3115
AlprazolamAlprazolam3016
Duloxetine HclDuloxetine Hcl30suppressed
Pravastatin SodiumPravastatin Sodium3011
AllopurinolAllopurinol29suppressed
GabapentinGabapentin27suppressed
LorazepamLorazepam27suppressed
SynthroidLevothyroxine Sodium27suppressed
JanuviaSitagliptin Phosphate25suppressed
PrednisonePrednisone25suppressed
FinasterideFinasteride23suppressed
ClonazepamClonazepam22suppressed
ClopidogrelClopidogrel Bisulfate22suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide22suppressed
Oxycodone HclOxycodone Hcl22suppressed
Fluticasone PropionateFluticasone Propionate20suppressed
ChlorthalidoneChlorthalidone19suppressed
Trazodone HclTrazodone Hcl18suppressed
TrulicityDulaglutide18suppressed
Alendronate SodiumAlendronate Sodium17suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav17suppressed
Potassium ChloridePotassium Chloride17suppressed
GlimepirideGlimepiride16suppressed
MirtazapineMirtazapine16suppressed
Sumatriptan SuccinateSumatriptan Succinate15suppressed
Tresiba Flextouch U-100Insulin Degludec15suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
JardianceEmpagliflozin14suppressed
Metoprolol TartrateMetoprolol Tartrate14suppressed
Doxycycline HyclateDoxycycline Hyclate1311
Enalapril MaleateEnalapril Maleate13suppressed
XareltoRivaroxaban13suppressed
AripiprazoleAripiprazole12suppressed
EzetimibeEzetimibe12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst12suppressed
TradjentaLinagliptin12suppressed
ValacyclovirValacyclovir Hcl12suppressed
AtenololAtenolol11suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide11suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed
KlonopinClonazepam11suppressed
MounjaroTirzepatide11suppressed
ProvigilModafinil11suppressed

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 $285.56 · 4 records AstraZeneca Pharmaceuticals LP APRETUDE, BREZTRI, FARXIGA 1
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