Healthcare provider profile · identity verified

Jason Kittler

Internal Medicine · PITTSFIELD, MA · NPI 1174585426

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
Atorvastatin CalciumAtorvastatin Calcium367107
Levothyroxine SodiumLevothyroxine Sodium29574
LisinoprilLisinopril27377
Losartan PotassiumLosartan Potassium25362
Amlodipine BesylateAmlodipine Besylate23867
OmeprazoleOmeprazole17947
HydrochlorothiazideHydrochlorothiazide17751
Rosuvastatin CalciumRosuvastatin Calcium16243
Metoprolol SuccinateMetoprolol Succinate15848
GabapentinGabapentin15627
Metformin HclMetformin Hcl14846
EliquisApixaban14629
SimvastatinSimvastatin12238
AllopurinolAllopurinol11228
Metoprolol TartrateMetoprolol Tartrate10730
Tamsulosin HclTamsulosin Hcl10435
GlimepirideGlimepiride9722
ClopidogrelClopidogrel Bisulfate9421
Citalopram HbrCitalopram Hydrobromide9120
Tramadol HclTramadol Hcl8719
Albuterol Sulfate HfaAlbuterol Sulfate8425
LorazepamLorazepam8030
Cyclobenzaprine HclCyclobenzaprine Hcl7520
Trazodone HclTrazodone Hcl7423
PrednisonePrednisone7032
FurosemideFurosemide6326
AtenololAtenolol6218
Duloxetine HclDuloxetine Hcl6112
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6118
Sertraline HclSertraline Hcl5516
ChlorthalidoneChlorthalidone5113
Zolpidem TartrateZolpidem Tartrate5112
Pantoprazole SodiumPantoprazole Sodium5015
TorsemideTorsemide4912
ClonazepamClonazepam4711
Pravastatin SodiumPravastatin Sodium4511
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine4314
Oxycodone HclOxycodone Hcl4214
Fluticasone PropionateFluticasone Propionate4115
SynthroidLevothyroxine Sodium4113
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen40suppressed
Warfarin SodiumWarfarin Sodium3916
MirtazapineMirtazapine3811
EzetimibeEzetimibe3711
Paroxetine HclParoxetine Hcl35suppressed
IbuprofenIbuprofen3414
LovastatinLovastatin34suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl31suppressed
Bupropion XlBupropion Hcl30suppressed
Oxybutynin Chloride ErOxybutynin Chloride30suppressed
FarxigaDapagliflozin Propanediol29suppressed
Quetiapine FumarateQuetiapine Fumarate29suppressed
Clonidine HclClonidine Hcl28suppressed
Fluoxetine HclFluoxetine Hcl28suppressed
Tizanidine HclTizanidine Hcl2811
AmoxicillinAmoxicillin2611
AlprazolamAlprazolam25suppressed
Propranolol HclPropranolol Hcl25suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
IrbesartanIrbesartan24suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl24suppressed
Testosterone CypionateTestosterone Cypionate24suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2317
XareltoRivaroxaban23suppressed
Bupropion HclBupropion Hcl22suppressed
CarvedilolCarvedilol22suppressed
JantovenWarfarin Sodium22suppressed
LactuloseLactulose21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Ondansetron HclOndansetron Hcl21suppressed
Ondansetron OdtOndansetron21suppressed
OzempicSemaglutide21suppressed
Ropinirole HclRopinirole Hcl21suppressed
Doxepin HclDoxepin Hcl20suppressed
Doxycycline HyclateDoxycycline Hyclate2017
Hydroxyzine HclHydroxyzine Hcl2011
JanuviaSitagliptin Phosphate20suppressed
Potassium ChloridePotassium Chloride20suppressed
AzithromycinAzithromycin1916
LamotrigineLamotrigine19suppressed
EstradiolEstradiol18suppressed
Olmesartan MedoxomilOlmesartan Medoxomil18suppressed
TopiramateTopiramate18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1713
BaclofenBaclofen17suppressed
Betamethasone ValerateBetamethasone Valerate17suppressed
Dicyclomine HclDicyclomine Hcl17suppressed
SucralfateSucralfate17suppressed
DiazepamDiazepam16suppressed
FamotidineFamotidine16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
Sumatriptan SuccinateSumatriptan Succinate16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
AcyclovirAcyclovir15suppressed
FinasterideFinasteride15suppressed
MeloxicamMeloxicam14suppressed
SpironolactoneSpironolactone14suppressed
Amitriptyline HclAmitriptyline Hcl13suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog13suppressed
Breo ElliptaFluticasone/Vilanterol13suppressed
PaxlovidNirmatrelvir/Ritonavir1313
ValacyclovirValacyclovir Hcl13suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr12suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
Tiotropium BromideTiotropium Bromide12suppressed
ValsartanValsartan12suppressed
VascepaIcosapent Ethyl12suppressed
Donepezil HclDonepezil Hcl11suppressed
JardianceEmpagliflozin11suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
Methylphenidate HclMethylphenidate Hcl11suppressed
PregabalinPregabalin11suppressed

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