Healthcare provider profile · identity verified

Timothy Q Offensend, MD

Internal Medicine · SAN MATEO, CA · NPI 1083667539

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 Calcium567165
Amlodipine BesylateAmlodipine Besylate447121
Levothyroxine SodiumLevothyroxine Sodium352100
OzempicSemaglutide34060
SimvastatinSimvastatin31083
Metformin Hcl ErMetformin Hcl23774
LisinoprilLisinopril19054
Tamsulosin HclTamsulosin Hcl16548
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14939
Alendronate SodiumAlendronate Sodium13944
Metformin HclMetformin Hcl13439
GabapentinGabapentin12239
Losartan PotassiumLosartan Potassium11836
FinasterideFinasteride11732
Rosuvastatin CalciumRosuvastatin Calcium11740
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril11133
Pantoprazole SodiumPantoprazole Sodium11131
EliquisApixaban10527
HydrochlorothiazideHydrochlorothiazide9427
JardianceEmpagliflozin8727
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide8622
ValsartanValsartan8427
OmeprazoleOmeprazole8224
Humalog Kwikpen U-100Insulin Lispro8024
AllopurinolAllopurinol7825
Amlodipine-ValsartanAmlodipine Besylate/Valsartan7420
LorazepamLorazepam6917
Metoprolol SuccinateMetoprolol Succinate6822
ClopidogrelClopidogrel Bisulfate6714
TrulicityDulaglutide5913
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide4914
Escitalopram OxalateEscitalopram Oxalate4913
GlimepirideGlimepiride4918
Trazodone HclTrazodone Hcl4921
Sertraline HclSertraline Hcl4713
Zolpidem TartrateZolpidem Tartrate4415
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4312
Pravastatin SodiumPravastatin Sodium4312
RybelsusSemaglutide43suppressed
SynthroidLevothyroxine Sodium4312
Glipizide ErGlipizide4214
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic4114
FurosemideFurosemide4012
IrbesartanIrbesartan4011
Quetiapine FumarateQuetiapine Fumarate40suppressed
AcyclovirAcyclovir39suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic3914
AtenololAtenolol3711
MethimazoleMethimazole37suppressed
MirtazapineMirtazapine36suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog33suppressed
Benazepril HclBenazepril Hcl33suppressed
Fluticasone PropionateFluticasone Propionate3312
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide33suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3219
FarxigaDapagliflozin Propanediol3215
Olmesartan MedoxomilOlmesartan Medoxomil32suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic3012
LovastatinLovastatin29suppressed
MeloxicamMeloxicam28suppressed
Tramadol HclTramadol Hcl28suppressed
Bisoprolol FumarateBisoprolol Fumarate27suppressed
PrednisonePrednisone27suppressed
TradjentaLinagliptin27suppressed
JanuviaSitagliptin Phosphate26suppressed
FamotidineFamotidine25suppressed
TestosteroneTestosterone25suppressed
Alfuzosin Hcl ErAlfuzosin Hcl24suppressed
Duloxetine HclDuloxetine Hcl24suppressed
SpironolactoneSpironolactone23suppressed
Tresiba Flextouch U-100Insulin Degludec23suppressed
Montelukast SodiumMontelukast Sodium21suppressed
Metoprolol TartrateMetoprolol Tartrate19suppressed
NystatinNystatin19suppressed
Warfarin SodiumWarfarin Sodium19suppressed
EplerenoneEplerenone18suppressed
Propranolol HclPropranolol Hcl18suppressed
WegovySemaglutide18suppressed
AzithromycinAzithromycin1717
EstradiolEstradiol17suppressed
Citalopram HbrCitalopram Hydrobromide16suppressed
DiazepamDiazepam16suppressed
Sildenafil CitrateSildenafil Citrate16suppressed
CarvedilolCarvedilol15suppressed
ColchicineColchicine15suppressed
Hydralazine HclHydralazine Hcl15suppressed
LevoxylLevothyroxine Sodium15suppressed
Novolog FlexpenInsulin Aspart15suppressed
AlprazolamAlprazolam14suppressed
HumalogInsulin Lispro14suppressed
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp14suppressed
Risedronate SodiumRisedronate Sodium14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1411
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Benazepril-HydrochlorothiazideBenazepril/Hydrochlorothiazide13suppressed
EzetimibeEzetimibe13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
Humulin N KwikpenInsulin Nph Human Isophane13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
Propranolol Hcl ErPropranolol Hcl13suppressed
Verapamil ErVerapamil Hcl13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
Xigduo XrDapaglifloz Propaned/Metformin13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
LantusInsulin Glargine,hum.Rec.Anlog12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Mometasone FuroateMometasone Furoate11suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
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