Healthcare provider profile · identity verified

Patrick J Lemm, D.O.

Family Practice · GARDENA, CA · NPI 1710920756

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 Calcium356124
Amlodipine BesylateAmlodipine Besylate19879
LisinoprilLisinopril16662
Losartan PotassiumLosartan Potassium11747
Levothyroxine SodiumLevothyroxine Sodium10233
Rosuvastatin CalciumRosuvastatin Calcium9941
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8720
Albuterol Sulfate HfaAlbuterol Sulfate8647
SimvastatinSimvastatin7224
AtenololAtenolol6823
Tamsulosin HclTamsulosin Hcl6520
Metoprolol TartrateMetoprolol Tartrate6126
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5823
MeloxicamMeloxicam5723
Metformin Hcl ErMetformin Hcl5624
OmeprazoleOmeprazole5028
HydrochlorothiazideHydrochlorothiazide4821
PradaxaDabigatran Etexilate Mesylate4413
LorazepamLorazepam4312
Potassium ChloridePotassium Chloride3912
Trazodone HclTrazodone Hcl3819
GabapentinGabapentin3717
Alendronate SodiumAlendronate Sodium3613
OzempicSemaglutide3311
IbuprofenIbuprofen3213
Metformin HclMetformin Hcl3214
AcyclovirAcyclovir3112
ClopidogrelClopidogrel Bisulfate31suppressed
Fluoxetine HclFluoxetine Hcl29suppressed
Hydralazine HclHydralazine Hcl2814
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2519
Pantoprazole SodiumPantoprazole Sodium24suppressed
Zolpidem TartrateZolpidem Tartrate24suppressed
Fluticasone PropionateFluticasone Propionate23suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic2311
GlipizideGlipizide22suppressed
Duloxetine HclDuloxetine Hcl2111
LovastatinLovastatin21suppressed
AllopurinolAllopurinol18suppressed
FamotidineFamotidine18suppressed
Tramadol HclTramadol Hcl18suppressed
Bisoprolol FumarateBisoprolol Fumarate17suppressed
Humulin NInsulin Nph Human Isophane17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
SpironolactoneSpironolactone17suppressed
Terazosin HclTerazosin Hcl17suppressed
PrednisonePrednisone1613
Spiriva RespimatTiotropium Bromide16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf1515
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1515
FurosemideFurosemide15suppressed
Pravastatin SodiumPravastatin Sodium14suppressed
AlvescoCiclesonide13suppressed
FinasterideFinasteride13suppressed
Sertraline HclSertraline Hcl13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
CarvedilolCarvedilol12suppressed
EstradiolEstradiol12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
ClonazepamClonazepam11suppressed
HydrocortisoneHydrocortisone11suppressed
MirtazapineMirtazapine11suppressed
NitroglycerinNitroglycerin11suppressed

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