Healthcare provider profile · identity verified

Brian Michael Sullivan, MD

Family Practice · BAKER, MT · NPI 1972761252

Profile state: partd only 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

We did not find matching Open Payments records for this doctor in 2025.

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

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

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.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

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.

There is no payer-company set available for this comparison.

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
Potassium ChloridePotassium Chloride20144
LisinoprilLisinopril18950
Atorvastatin CalciumAtorvastatin Calcium18751
Levothyroxine SodiumLevothyroxine Sodium16333
GabapentinGabapentin16035
Amlodipine BesylateAmlodipine Besylate14330
OmeprazoleOmeprazole11728
FurosemideFurosemide11637
AllopurinolAllopurinol9916
Tamsulosin HclTamsulosin Hcl9928
Losartan PotassiumLosartan Potassium9823
Metoprolol TartrateMetoprolol Tartrate9323
HydrochlorothiazideHydrochlorothiazide8727
Metoprolol SuccinateMetoprolol Succinate8021
Metformin HclMetformin Hcl7718
AlprazolamAlprazolam7511
Citalopram HbrCitalopram Hydrobromide6916
FamotidineFamotidine6712
CarvedilolCarvedilol6515
Pantoprazole SodiumPantoprazole Sodium6516
Trazodone HclTrazodone Hcl5913
Cyclobenzaprine HclCyclobenzaprine Hcl5417
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5318
EliquisApixaban52suppressed
Warfarin SodiumWarfarin Sodium5212
BumetanideBumetanide51suppressed
Montelukast SodiumMontelukast Sodium51suppressed
SimvastatinSimvastatin4911
MeloxicamMeloxicam4514
OzempicSemaglutide45suppressed
PrednisonePrednisone4527
Escitalopram OxalateEscitalopram Oxalate41suppressed
FinasterideFinasteride41suppressed
Ondansetron OdtOndansetron38suppressed
LorazepamLorazepam36suppressed
Pravastatin SodiumPravastatin Sodium34suppressed
Carbidopa-LevodopaCarbidopa/Levodopa33suppressed
Sertraline HclSertraline Hcl33suppressed
Tramadol HclTramadol Hcl33suppressed
EzetimibeEzetimibe30suppressed
MethylprednisoloneMethylprednisolone2922
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen29suppressed
Albuterol Sulfate HfaAlbuterol Sulfate28suppressed
ArexvyRsvpref3 Antigen/As01e/Pf2828
ClonazepamClonazepam28suppressed
LovastatinLovastatin28suppressed
Quetiapine FumarateQuetiapine Fumarate26suppressed
SpironolactoneSpironolactone25suppressed
AtenololAtenolol24suppressed
OlanzapineOlanzapine23suppressed
GlipizideGlipizide22suppressed
Rosuvastatin CalciumRosuvastatin Calcium22suppressed
JanuviaSitagliptin Phosphate21suppressed
CefdinirCefdinir2018
DiazepamDiazepam19suppressed
Ciprofloxacin HclCiprofloxacin Hcl1811
Fluoxetine HclFluoxetine Hcl18suppressed
XareltoRivaroxaban18suppressed
Glipizide ErGlipizide17suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Morphine SulfateMorphine Sulfate15suppressed
MounjaroTirzepatide15suppressed
Ropinirole HclRopinirole Hcl15suppressed
AcyclovirAcyclovir14suppressed
ClopidogrelClopidogrel Bisulfate14suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide14suppressed
Nifedipine ErNifedipine14suppressed
AzithromycinAzithromycin1312
Diltiazem HclDiltiazem Hcl13suppressed
Doxazosin MesylateDoxazosin Mesylate13suppressed
LevetiracetamLevetiracetam13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
BuprenorphineBuprenorphine12suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine12suppressed
DilantinPhenytoin Sodium Extended12suppressed
Divalproex SodiumDivalproex Sodium12suppressed
Enalapril MaleateEnalapril Maleate12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
PregabalinPregabalin12suppressed
Propranolol Hcl ErPropranolol Hcl12suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf12suppressed
TelmisartanTelmisartan12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
ValsartanValsartan12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
Flecainide AcetateFlecainide Acetate11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Memantine HclMemantine Hcl11suppressed

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
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