Healthcare provider profile · identity verified

Robin H Fontana, ARNP

Nurse Practitioner · MERCER ISLAND, WA · NPI 1063463321

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
Levothyroxine SodiumLevothyroxine Sodium27438
MirtazapineMirtazapine21732
Quetiapine FumarateQuetiapine Fumarate21636
Amlodipine BesylateAmlodipine Besylate20128
Memantine HclMemantine Hcl19027
Atorvastatin CalciumAtorvastatin Calcium18329
Losartan PotassiumLosartan Potassium15722
EliquisApixaban14228
LisinoprilLisinopril13923
FurosemideFurosemide13227
Metoprolol SuccinateMetoprolol Succinate13221
Donepezil HclDonepezil Hcl12718
GabapentinGabapentin12219
Potassium ChloridePotassium Chloride11621
Sertraline HclSertraline Hcl10819
OmeprazoleOmeprazole10615
FamotidineFamotidine10014
Tamsulosin HclTamsulosin Hcl9314
Trazodone HclTrazodone Hcl9324
Escitalopram OxalateEscitalopram Oxalate8411
Tramadol HclTramadol Hcl8426
FentanylFentanyl74suppressed
Metformin HclMetformin Hcl6711
Diclofenac SodiumDiclofenac Sodium6215
Duloxetine HclDuloxetine Hcl6213
Ondansetron HclOndansetron Hcl6240
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen61suppressed
Rosuvastatin CalciumRosuvastatin Calcium60suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5811
Pantoprazole SodiumPantoprazole Sodium58suppressed
LevetiracetamLevetiracetam54suppressed
Pravastatin SodiumPravastatin Sodium53suppressed
Oxycodone HclOxycodone Hcl5016
AllopurinolAllopurinol48suppressed
Citalopram HbrCitalopram Hydrobromide48suppressed
JanuviaSitagliptin Phosphate47suppressed
Fluoxetine HclFluoxetine Hcl45suppressed
ClopidogrelClopidogrel Bisulfate43suppressed
FinasterideFinasteride42suppressed
CephalexinCephalexin4136
BaclofenBaclofen39suppressed
Doxycycline HyclateDoxycycline Hyclate3929
RisperidoneRisperidone39suppressed
Metformin Hcl ErMetformin Hcl35suppressed
Metoprolol TartrateMetoprolol Tartrate34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3419
Alendronate SodiumAlendronate Sodium32suppressed
Divalproex SodiumDivalproex Sodium32suppressed
KetoconazoleKetoconazole31suppressed
MupirocinMupirocin3116
SimvastatinSimvastatin31suppressed
RamiprilRamipril30suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2917
SpironolactoneSpironolactone29suppressed
AtenololAtenolol27suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid27suppressed
BumetanideBumetanide26suppressed
Buspirone HclBuspirone Hcl26suppressed
PrednisonePrednisone26suppressed
LansoprazoleLansoprazole25suppressed
LatanoprostLatanoprost25suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2422
NystatinNystatin2412
OlanzapineOlanzapine24suppressed
Carbidopa-LevodopaCarbidopa/Levodopa23suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
EzetimibeEzetimibe21suppressed
PregabalinPregabalin21suppressed
LovastatinLovastatin20suppressed
FluconazoleFluconazole19suppressed
ClonazepamClonazepam17suppressed
LorazepamLorazepam1713
Morphine Sulfate ErMorphine Sulfate17suppressed
TorsemideTorsemide17suppressed
Albuterol Sulfate HfaAlbuterol Sulfate15suppressed
Benazepril HclBenazepril Hcl15suppressed
Brimonidine Tartrate-TimololBrimonidine Tartrate/Timolol15suppressed
Bupropion HclBupropion Hcl15suppressed
Bupropion XlBupropion Hcl15suppressed
Ciprofloxacin HclCiprofloxacin Hcl1512
PaxlovidNirmatrelvir/Ritonavir1515
CreonLipase/Protease/Amylase14suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended14suppressed
Sodium BicarbonateSodium Bicarbonate14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Atrovent HfaIpratropium Bromide13suppressed
CelecoxibCelecoxib13suppressed
GlimepirideGlimepiride13suppressed
MethimazoleMethimazole13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
AlprazolamAlprazolam12suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
DigoxinDigoxin12suppressed
Diltiazem 24hr ErDiltiazem Hcl12suppressed
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat12suppressed
LevofloxacinLevofloxacin12suppressed
Nifedipine ErNifedipine12suppressed
XareltoRivaroxaban12suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc11suppressed
Divalproex Sodium ErDivalproex Sodium11suppressed
EplerenoneEplerenone11suppressed
JardianceEmpagliflozin11suppressed
LamotrigineLamotrigine11suppressed
MethocarbamolMethocarbamol11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1111
Timolol MaleateTimolol Maleate11suppressed

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