Healthcare provider profile · identity verified

Amy L Gerhard, MD

Family Practice · SHERWOOD, OR · NPI 1326233065

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 Calcium567159
Levothyroxine SodiumLevothyroxine Sodium35493
LisinoprilLisinopril27380
OmeprazoleOmeprazole23366
GabapentinGabapentin22074
Amlodipine BesylateAmlodipine Besylate21066
Losartan PotassiumLosartan Potassium15750
Trazodone HclTrazodone Hcl15035
HydrochlorothiazideHydrochlorothiazide13742
Metoprolol SuccinateMetoprolol Succinate13036
Escitalopram OxalateEscitalopram Oxalate10932
Metformin HclMetformin Hcl10534
Potassium ChloridePotassium Chloride10320
Sertraline HclSertraline Hcl10028
Metformin Hcl ErMetformin Hcl9831
Rosuvastatin CalciumRosuvastatin Calcium9626
CarvedilolCarvedilol8920
Duloxetine HclDuloxetine Hcl8624
SimvastatinSimvastatin8226
Albuterol Sulfate HfaAlbuterol Sulfate8029
OzempicSemaglutide7816
Pantoprazole SodiumPantoprazole Sodium7825
Fluticasone PropionateFluticasone Propionate7727
FurosemideFurosemide7724
Tamsulosin HclTamsulosin Hcl7421
Tramadol HclTramadol Hcl7014
Fluoxetine HclFluoxetine Hcl6220
Metoprolol TartrateMetoprolol Tartrate6116
EliquisApixaban5818
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5820
IrbesartanIrbesartan5616
Zolpidem TartrateZolpidem Tartrate5614
Citalopram HbrCitalopram Hydrobromide5417
Alendronate SodiumAlendronate Sodium5317
Montelukast SodiumMontelukast Sodium5218
EstradiolEstradiol4918
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4916
Pravastatin SodiumPravastatin Sodium4913
Oxycodone HclOxycodone Hcl4712
AllopurinolAllopurinol4612
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4616
ChlorthalidoneChlorthalidone4512
Cyclobenzaprine HclCyclobenzaprine Hcl4416
Bupropion Hcl SrBupropion Hcl4313
LorazepamLorazepam4313
AlprazolamAlprazolam4218
Memantine HclMemantine Hcl41suppressed
ClonazepamClonazepam40suppressed
Ondansetron OdtOndansetron3913
PregabalinPregabalin3612
Buspirone HclBuspirone Hcl33suppressed
Quetiapine FumarateQuetiapine Fumarate33suppressed
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
Enalapril MaleateEnalapril Maleate31suppressed
MirtazapineMirtazapine3114
Bupropion XlBupropion Hcl29suppressed
ClopidogrelClopidogrel Bisulfate29suppressed
GlipizideGlipizide29suppressed
Sumatriptan SuccinateSumatriptan Succinate29suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid29suppressed
Donepezil HclDonepezil Hcl28suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen28suppressed
Terazosin HclTerazosin Hcl28suppressed
NystatinNystatin27suppressed
Ropinirole HclRopinirole Hcl27suppressed
XareltoRivaroxaban27suppressed
SpironolactoneSpironolactone26suppressed
ValacyclovirValacyclovir Hcl2616
Azelastine HclAzelastine Hcl24suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine24suppressed
TopiramateTopiramate23suppressed
AcyclovirAcyclovir22suppressed
AtenololAtenolol22suppressed
EzetimibeEzetimibe22suppressed
Morphine Sulfate ErMorphine Sulfate22suppressed
Olmesartan MedoxomilOlmesartan Medoxomil22suppressed
Doxepin HclDoxepin Hcl21suppressed
FamotidineFamotidine21suppressed
Tizanidine HclTizanidine Hcl2112
Dilt-XrDiltiazem Hcl20suppressed
Glipizide ErGlipizide20suppressed
MeloxicamMeloxicam20suppressed
CephalexinCephalexin1911
Diltiazem 24hr Er (Cd)Diltiazem Hcl19suppressed
IbuprofenIbuprofen19suppressed
LovastatinLovastatin19suppressed
MounjaroTirzepatide19suppressed
NaproxenNaproxen19suppressed
OlanzapineOlanzapine18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl17suppressed
PrednisonePrednisone1612
CelecoxibCelecoxib15suppressed
Diclofenac SodiumDiclofenac Sodium15suppressed
EszopicloneEszopiclone15suppressed
Hydroxyzine HclHydroxyzine Hcl15suppressed
Propranolol Hcl ErPropranolol Hcl15suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1412
Doxycycline HyclateDoxycycline Hyclate1411
FluconazoleFluconazole14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1412
Nortriptyline HclNortriptyline Hcl14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
TrulicityDulaglutide14suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
Levalbuterol Tartrate HfaLevalbuterol Tartrate13suppressed
Methadone HclMethadone Hcl13suppressed
Morphine SulfateMorphine Sulfate13suppressed
RisperidoneRisperidone13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med12suppressed
Clorazepate DipotassiumClorazepate Dipotassium12suppressed
DiazepamDiazepam12suppressed
JardianceEmpagliflozin12suppressed
Lithium CarbonateLithium Carbonate12suppressed
Nifedipine ErNifedipine12suppressed
Prazosin HclPrazosin Hcl12suppressed
Prenatal Vitamin Plus Low IronPnv,calcium 72/Iron/Folic Acid12suppressed
RybelsusSemaglutide12suppressed
SotalolSotalol Hcl12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
TelmisartanTelmisartan12suppressed
GemtesaVibegron11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
Ipratropium BromideIpratropium Bromide11suppressed
LactuloseLactulose11suppressed
MethocarbamolMethocarbamol11suppressed
MetronidazoleMetronidazole11suppressed
Nystatin-TriamcinoloneNystatin/Triamcinolone Acet11suppressed
Pioglitazone HclPioglitazone 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