Healthcare provider profile · identity verified

David A Crosby

Physician Assistant · STRATFORD, CT · NPI 1588139604

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 Calcium356107
Amlodipine BesylateAmlodipine Besylate19459
Metformin HclMetformin Hcl18657
Levothyroxine SodiumLevothyroxine Sodium13940
LisinoprilLisinopril13040
Pantoprazole SodiumPantoprazole Sodium13041
Rosuvastatin CalciumRosuvastatin Calcium12542
Albuterol Sulfate HfaAlbuterol Sulfate10050
GabapentinGabapentin9833
MeloxicamMeloxicam9632
Losartan PotassiumLosartan Potassium9429
OmeprazoleOmeprazole8026
Metoprolol SuccinateMetoprolol Succinate7424
Glipizide ErGlipizide6719
Sertraline HclSertraline Hcl6517
Fluticasone PropionateFluticasone Propionate6425
HydrochlorothiazideHydrochlorothiazide6419
Tamsulosin HclTamsulosin Hcl6318
Metoprolol TartrateMetoprolol Tartrate5716
Trazodone HclTrazodone Hcl5719
Escitalopram OxalateEscitalopram Oxalate5419
SimvastatinSimvastatin5214
PrednisonePrednisone5122
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4942
AllopurinolAllopurinol4413
FamotidineFamotidine4411
LorazepamLorazepam44suppressed
JanuviaSitagliptin Phosphate4111
Montelukast SodiumMontelukast Sodium41suppressed
MethocarbamolMethocarbamol4026
Hydroxyzine HclHydroxyzine Hcl3716
Alcohol PadsAlcohol Antiseptic Pads34suppressed
ClonazepamClonazepam34suppressed
Tramadol HclTramadol Hcl33suppressed
AlprazolamAlprazolam32suppressed
TrulicityDulaglutide31suppressed
EzetimibeEzetimibe3011
EliquisApixaban29suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen29suppressed
Oxycodone HclOxycodone Hcl29suppressed
Diclofenac SodiumDiclofenac Sodium2813
FentanylFentanyl27suppressed
FurosemideFurosemide2713
GlimepirideGlimepiride27suppressed
OzempicSemaglutide27suppressed
Alendronate SodiumAlendronate Sodium25suppressed
Buspirone HclBuspirone Hcl23suppressed
Duloxetine HclDuloxetine Hcl23suppressed
Tizanidine HclTizanidine Hcl22suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl21suppressed
HydrocortisoneHydrocortisone2117
Ondansetron OdtOndansetron21suppressed
OxycontinOxycodone Hcl21suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2111
AtenololAtenolol20suppressed
LidocaineLidocaine20suppressed
SymbicortBudesonide/Formoterol Fumarate20suppressed
Bupropion XlBupropion Hcl19suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol19suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
SynthroidLevothyroxine Sodium19suppressed
LovastatinLovastatin18suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
CarisoprodolCarisoprodol17suppressed
TopiramateTopiramate17suppressed
TradjentaLinagliptin17suppressed
ValacyclovirValacyclovir Hcl17suppressed
BaclofenBaclofen16suppressed
CarvedilolCarvedilol16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine15suppressed
ClopidogrelClopidogrel Bisulfate15suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1514
FarxigaDapagliflozin Propanediol15suppressed
MirtazapineMirtazapine15suppressed
Pravastatin SodiumPravastatin Sodium15suppressed
Acetaminophen-CodeineAcetaminophen With Codeine14suppressed
FluconazoleFluconazole14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Morphine SulfateMorphine Sulfate14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Sildenafil CitrateSildenafil Citrate14suppressed
EstradiolEstradiol13suppressed
FinasterideFinasteride13suppressed
JardianceEmpagliflozin13suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
Donepezil HclDonepezil Hcl12suppressed
Fluticasone Propionate HfaFluticasone Propionate12suppressed
Metformin Hcl ErMetformin Hcl12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
Bupropion HclBupropion Hcl11suppressed
CelecoxibCelecoxib11suppressed
Enalapril MaleateEnalapril Maleate11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
MyrbetriqMirabegron11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed

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