Healthcare provider profile · identity verified

Michelle Orengo-Mcfarlane, M.D.

Family Practice · MARTINEZ, CA · NPI 1033348263

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 Calcium26999
Amlodipine BesylateAmlodipine Besylate15268
Metoprolol SuccinateMetoprolol Succinate14049
Metformin HclMetformin Hcl13248
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13028
GabapentinGabapentin12340
Albuterol Sulfate HfaAlbuterol Sulfate7635
Levothyroxine SodiumLevothyroxine Sodium7219
Losartan PotassiumLosartan Potassium7231
LisinoprilLisinopril7036
Fluticasone PropionateFluticasone Propionate6723
Pantoprazole SodiumPantoprazole Sodium6619
JardianceEmpagliflozin6524
Metformin Hcl ErMetformin Hcl5826
BaclofenBaclofen5718
Trazodone HclTrazodone Hcl5518
Cyclobenzaprine HclCyclobenzaprine Hcl5211
HydrochlorothiazideHydrochlorothiazide5120
MirtazapineMirtazapine5011
OmeprazoleOmeprazole4922
FamotidineFamotidine4816
OzempicSemaglutide47suppressed
Montelukast SodiumMontelukast Sodium4411
IbuprofenIbuprofen4320
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog3712
Tamsulosin HclTamsulosin Hcl3712
Duloxetine HclDuloxetine Hcl3616
ClonidineClonidine34suppressed
Diclofenac SodiumDiclofenac Sodium3320
RybelsusSemaglutide3312
Nano 2nd Gen Pen NeedlePen Needle, Diabetic32suppressed
Nifedipine ErNifedipine32suppressed
SimvastatinSimvastatin3211
Alendronate SodiumAlendronate Sodium3116
Sertraline HclSertraline Hcl28suppressed
AllopurinolAllopurinol27suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2712
LidocaineLidocaine26suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide25suppressed
Pravastatin SodiumPravastatin Sodium24suppressed
EliquisApixaban2312
Hydralazine HclHydralazine Hcl23suppressed
Atrovent HfaIpratropium Bromide22suppressed
GlipizideGlipizide21suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter21suppressed
TrulicityDulaglutide21suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)20suppressed
Tizanidine HclTizanidine Hcl20suppressed
Breo ElliptaFluticasone/Vilanterol19suppressed
CarvedilolCarvedilol19suppressed
ChlorthalidoneChlorthalidone19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
MeloxicamMeloxicam19suppressed
Tresiba Flextouch U-100Insulin Degludec19suppressed
EstradiolEstradiol18suppressed
Amitriptyline HclAmitriptyline Hcl17suppressed
FinasterideFinasteride17suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
JanuviaSitagliptin Phosphate17suppressed
Azelastine HclAzelastine Hcl16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate16suppressed
Rosuvastatin CalciumRosuvastatin Calcium16suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
Promethazine HclPromethazine Hcl15suppressed
BreynaBudesonide/Formoterol Fumarate14suppressed
Bupropion Hcl SrBupropion Hcl14suppressed
DuleraMometasone/Formoterol14suppressed
FurosemideFurosemide14suppressed
Bupropion XlBupropion Hcl13suppressed
HydrocortisoneHydrocortisone13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
Ondansetron OdtOndansetron13suppressed
Potassium ChloridePotassium Chloride13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
LevetiracetamLevetiracetam12suppressed
Metoprolol TartrateMetoprolol Tartrate12suppressed
NitroglycerinNitroglycerin12suppressed
XareltoRivaroxaban12suppressed
Amlodipine-ValsartanAmlodipine Besylate/Valsartan11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
NystatinNystatin11suppressed
Prazosin HclPrazosin Hcl11suppressed
Propranolol Hcl ErPropranolol Hcl11suppressed
SucralfateSucralfate11suppressed
Tolterodine Tartrate ErTolterodine Tartrate11suppressed

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