Healthcare provider profile · identity verified

Lucy J. Oh, MD

Internal Medicine · SANTA ROSA, CA · NPI 1265516256

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 Calcium664240
LisinoprilLisinopril343122
Levothyroxine SodiumLevothyroxine Sodium329110
Amlodipine BesylateAmlodipine Besylate323118
Losartan PotassiumLosartan Potassium24989
Alendronate SodiumAlendronate Sodium17860
HydrochlorothiazideHydrochlorothiazide15960
Fluticasone PropionateFluticasone Propionate15361
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15350
AtenololAtenolol15051
Metformin Hcl ErMetformin Hcl14447
Pantoprazole SodiumPantoprazole Sodium14149
Albuterol Sulfate HfaAlbuterol Sulfate13283
LorazepamLorazepam12834
GabapentinGabapentin12749
Trazodone HclTrazodone Hcl12745
FamotidineFamotidine12256
Rosuvastatin CalciumRosuvastatin Calcium11944
Metoprolol TartrateMetoprolol Tartrate11743
SimvastatinSimvastatin11038
OmeprazoleOmeprazole10634
Tamsulosin HclTamsulosin Hcl10441
FurosemideFurosemide8629
AllopurinolAllopurinol8528
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8533
AlvescoCiclesonide7928
Potassium ChloridePotassium Chloride6725
Sertraline HclSertraline Hcl6325
Fluoxetine HclFluoxetine Hcl6127
Triamcinolone AcetonideTriamcinolone Acetonide6037
Metoprolol SuccinateMetoprolol Succinate5926
AcyclovirAcyclovir5725
Bupropion XlBupropion Hcl5616
ClopidogrelClopidogrel Bisulfate5316
Escitalopram OxalateEscitalopram Oxalate5217
MeloxicamMeloxicam5019
Oxycodone HclOxycodone Hcl5017
Wixela InhubFluticasone Propion/Salmeterol4917
Montelukast SodiumMontelukast Sodium4817
Zolpidem TartrateZolpidem Tartrate48suppressed
Ondansetron OdtOndansetron4614
PradaxaDabigatran Etexilate Mesylate4625
Tizanidine HclTizanidine Hcl4616
Glipizide ErGlipizide4512
Spiriva RespimatTiotropium Bromide4418
Metformin HclMetformin Hcl4316
MirtazapineMirtazapine4316
TemazepamTemazepam43suppressed
Bisoprolol FumarateBisoprolol Fumarate4113
LovastatinLovastatin4113
PrednisonePrednisone4137
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4013
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3933
Pravastatin SodiumPravastatin Sodium3613
SpironolactoneSpironolactone3513
Hydralazine HclHydralazine Hcl3412
Terazosin HclTerazosin Hcl3413
IbuprofenIbuprofen3319
CarvedilolCarvedilol3213
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
BreynaBudesonide/Formoterol Fumarate2913
NaproxenNaproxen29suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2923
Ciprofloxacin HclCiprofloxacin Hcl2824
CefadroxilCefadroxil2721
GlipizideGlipizide2711
Ipratropium BromideIpratropium Bromide27suppressed
Nifedipine ErNifedipine27suppressed
Sumatriptan SuccinateSumatriptan Succinate25suppressed
Trospium ChlorideTrospium Chloride2413
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2323
Doxycycline MonohydrateDoxycycline Monohydrate2317
Nortriptyline HclNortriptyline Hcl23suppressed
NystatinNystatin2315
FinasterideFinasteride22suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen22suppressed
AmoxicillinAmoxicillin2116
Donepezil HclDonepezil Hcl21suppressed
MethocarbamolMethocarbamol21suppressed
Buspirone HclBuspirone Hcl20suppressed
Duloxetine HclDuloxetine Hcl2012
EstradiolEstradiol2011
Propranolol HclPropranolol Hcl20suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml20suppressed
ClonazepamClonazepam19suppressed
OzempicSemaglutide19suppressed
Ropinirole HclRopinirole Hcl19suppressed
Azelastine HclAzelastine Hcl18suppressed
Citalopram HbrCitalopram Hydrobromide1811
MetronidazoleMetronidazole1814
Humulin NInsulin Nph Human Isophane17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
CephalexinCephalexin15suppressed
FluocinonideFluocinonide15suppressed
JardianceEmpagliflozin15suppressed
Oxybutynin Chloride ErOxybutynin Chloride15suppressed
RizatriptanRizatriptan Benzoate15suppressed
ScopolamineScopolamine1512
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine14suppressed
Memantine HclMemantine Hcl14suppressed
Retin-ATretinoin14suppressed
Benazepril HclBenazepril Hcl13suppressed
LevetiracetamLevetiracetam13suppressed
Methenamine HippurateMethenamine Hippurate13suppressed
BaclofenBaclofen12suppressed
HydrocortisoneHydrocortisone12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
FluorouracilFluorouracil11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
PaxlovidNirmatrelvir/Ritonavir1111

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