Healthcare provider profile · identity verified

Jennifer Mah, MD

Internal Medicine · BALDWIN PARK, CA · NPI 1811316979

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 Calcium293142
Amlodipine BesylateAmlodipine Besylate216104
Losartan PotassiumLosartan Potassium18394
Rosuvastatin CalciumRosuvastatin Calcium15874
LisinoprilLisinopril15586
Levothyroxine SodiumLevothyroxine Sodium13856
Metformin HclMetformin Hcl11553
OmeprazoleOmeprazole10748
GlipizideGlipizide8239
Alendronate SodiumAlendronate Sodium7535
HydrochlorothiazideHydrochlorothiazide7234
Albuterol Sulfate HfaAlbuterol Sulfate6849
AtenololAtenolol6530
Metformin Hcl ErMetformin Hcl6334
SimvastatinSimvastatin5926
Metoprolol TartrateMetoprolol Tartrate5527
GabapentinGabapentin5019
Hydralazine HclHydralazine Hcl4719
Pantoprazole SodiumPantoprazole Sodium4319
MeloxicamMeloxicam4025
Potassium ChloridePotassium Chloride3820
Bisoprolol FumarateBisoprolol Fumarate3617
AllopurinolAllopurinol3415
FurosemideFurosemide3320
Terazosin HclTerazosin Hcl3116
PradaxaDabigatran Etexilate Mesylate2811
SpironolactoneSpironolactone2711
Triamcinolone AcetonideTriamcinolone Acetonide2723
CarvedilolCarvedilol2311
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide2313
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2112
HydrocortisoneHydrocortisone2119
LatanoprostLatanoprost21suppressed
Benazepril HclBenazepril Hcl20suppressed
JardianceEmpagliflozin20suppressed
NaproxenNaproxen2015
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic1912
Tramadol HclTramadol Hcl19suppressed
Trazodone HclTrazodone Hcl1911
Humulin NInsulin Nph Human Isophane18suppressed
LactuloseLactulose1814
Insulin Glargine-YfgnInsulin Glargine-Yfgn1712
Montelukast SodiumMontelukast Sodium17suppressed
Tamsulosin HclTamsulosin Hcl1711
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Ondansetron OdtOndansetron16suppressed
Victoza 2-PakLiraglutide16suppressed
CefadroxilCefadroxil1515
Morphine Sulfate ErMorphine Sulfate15suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1313
AlvescoCiclesonide13suppressed
Escitalopram OxalateEscitalopram Oxalate13suppressed
EzetimibeEzetimibe13suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
LorazepamLorazepam11suppressed
NystatinNystatin11suppressed
Pravastatin SodiumPravastatin Sodium11suppressed
PrednisonePrednisone11suppressed
Sertraline HclSertraline Hcl11suppressed
ValsartanValsartan11suppressed

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