Healthcare provider profile · identity verified

Timothy S. Plimpton, MD

Family Practice · FAIRFIELD, CA · NPI 1912085747

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 Calcium338113
Amlodipine BesylateAmlodipine Besylate27091
Losartan PotassiumLosartan Potassium27094
LisinoprilLisinopril19269
Levothyroxine SodiumLevothyroxine Sodium17558
HydrochlorothiazideHydrochlorothiazide17056
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16731
Tamsulosin HclTamsulosin Hcl15557
Fluticasone PropionateFluticasone Propionate13946
Albuterol Sulfate HfaAlbuterol Sulfate13457
GabapentinGabapentin13442
Trazodone HclTrazodone Hcl12132
FamotidineFamotidine11648
Metformin HclMetformin Hcl10538
FurosemideFurosemide9838
AtenololAtenolol9730
OmeprazoleOmeprazole9226
Metoprolol SuccinateMetoprolol Succinate8929
AlvescoCiclesonide8340
Metoprolol TartrateMetoprolol Tartrate7528
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen75suppressed
Potassium ChloridePotassium Chloride7527
Pantoprazole SodiumPantoprazole Sodium7422
Acetaminophen-CodeineAcetaminophen With Codeine6717
SimvastatinSimvastatin6723
GlipizideGlipizide6224
Alendronate SodiumAlendronate Sodium5622
Sertraline HclSertraline Hcl4916
AllopurinolAllopurinol4819
Azelastine HclAzelastine Hcl4612
Metformin Hcl ErMetformin Hcl4618
Triamcinolone AcetonideTriamcinolone Acetonide4522
LorazepamLorazepam4012
Pravastatin SodiumPravastatin Sodium4014
Hydroxyzine HclHydroxyzine Hcl3912
Montelukast SodiumMontelukast Sodium3912
Ondansetron OdtOndansetron38suppressed
PradaxaDabigatran Etexilate Mesylate3818
LovastatinLovastatin3713
MeloxicamMeloxicam3715
Spiriva RespimatTiotropium Bromide3711
AcyclovirAcyclovir36suppressed
HydrocortisoneHydrocortisone3519
SpironolactoneSpironolactone3412
AmoxicillinAmoxicillin3325
ClopidogrelClopidogrel Bisulfate3313
DiazepamDiazepam33suppressed
Fluoxetine HclFluoxetine Hcl3112
CarvedilolCarvedilol29suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide29suppressed
OzempicSemaglutide29suppressed
BaclofenBaclofen28suppressed
FluocinonideFluocinonide2813
Tizanidine HclTizanidine Hcl28suppressed
Warfarin SodiumWarfarin Sodium28suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate26suppressed
IbuprofenIbuprofen2513
Clobetasol PropionateClobetasol Propionate2411
Tramadol HclTramadol Hcl24suppressed
Wixela InhubFluticasone Propion/Salmeterol23suppressed
Humulin NInsulin Nph Human Isophane22suppressed
NabumetoneNabumetone22suppressed
Terazosin HclTerazosin Hcl22suppressed
BreynaBudesonide/Formoterol Fumarate21suppressed
CephalexinCephalexin2120
Doxycycline MonohydrateDoxycycline Monohydrate2120
OlanzapineOlanzapine21suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
Nifedipine ErNifedipine19suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml19suppressed
Rosuvastatin CalciumRosuvastatin Calcium18suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1717
Insulin Glargine-YfgnInsulin Glargine-Yfgn17suppressed
Duloxetine HclDuloxetine Hcl16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Oxycodone HclOxycodone Hcl16suppressed
TadalafilTadalafil16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
FenofibrateFenofibrate15suppressed
MupirocinMupirocin1512
NaproxenNaproxen15suppressed
Paroxetine HclParoxetine Hcl15suppressed
DigoxinDigoxin14suppressed
FinasterideFinasteride14suppressed
Fluocinolone AcetonideFluocinolone Acetonide14suppressed
Isosorbide DinitrateIsosorbide Dinitrate14suppressed
Nortriptyline HclNortriptyline Hcl14suppressed
Propranolol HclPropranolol Hcl14suppressed
Donepezil HclDonepezil Hcl13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic13suppressed
Varenicline TartrateVarenicline Tartrate13suppressed
Victoza 2-PakLiraglutide13suppressed
Bisoprolol FumarateBisoprolol Fumarate12suppressed
Ciprofloxacin HclCiprofloxacin Hcl1212
EliquisApixaban12suppressed
KetoconazoleKetoconazole12suppressed
LatanoprostLatanoprost12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
MethocarbamolMethocarbamol12suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim12suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml12suppressed
ClonazepamClonazepam11suppressed
Morphine Sulfate ErMorphine Sulfate11suppressed
PrednisonePrednisone11suppressed

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