Healthcare provider profile · identity verified

Mark Scheer Mcgowan, MD

Internal Medicine · SANTA MONICA, CA · NPI 1720015902

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
Amlodipine BesylateAmlodipine Besylate441137
Atorvastatin CalciumAtorvastatin Calcium373106
Levothyroxine SodiumLevothyroxine Sodium19048
Albuterol Sulfate HfaAlbuterol Sulfate16354
GabapentinGabapentin14837
LisinoprilLisinopril14849
Rosuvastatin CalciumRosuvastatin Calcium12845
ChlorthalidoneChlorthalidone12744
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12219
OmeprazoleOmeprazole11935
Alendronate SodiumAlendronate Sodium11337
Tamsulosin HclTamsulosin Hcl10935
Metformin HclMetformin Hcl10026
AlprazolamAlprazolam9123
Losartan PotassiumLosartan Potassium9029
AllopurinolAllopurinol8725
PrednisonePrednisone8151
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8021
HydrochlorothiazideHydrochlorothiazide7925
Escitalopram OxalateEscitalopram Oxalate7625
FamotidineFamotidine6922
Metoprolol SuccinateMetoprolol Succinate6922
Zolpidem TartrateZolpidem Tartrate6816
Potassium ChloridePotassium Chloride6624
Tramadol HclTramadol Hcl6417
Pantoprazole SodiumPantoprazole Sodium6227
SimvastatinSimvastatin6017
Fluticasone PropionateFluticasone Propionate5920
LorazepamLorazepam5511
Sertraline HclSertraline Hcl5415
EliquisApixaban5316
Trelegy ElliptaFluticasone/Umeclidin/Vilanter50suppressed
DiazepamDiazepam47suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr4612
Metformin Hcl ErMetformin Hcl4514
Trazodone HclTrazodone Hcl4415
ClopidogrelClopidogrel Bisulfate43suppressed
FurosemideFurosemide4116
SynthroidLevothyroxine Sodium4111
Montelukast SodiumMontelukast Sodium3711
Breo ElliptaFluticasone/Vilanterol36suppressed
Diclofenac SodiumDiclofenac Sodium36suppressed
Fluoxetine HclFluoxetine Hcl36suppressed
IbuprofenIbuprofen36suppressed
Wixela InhubFluticasone Propion/Salmeterol36suppressed
BreynaBudesonide/Formoterol Fumarate34suppressed
AzithromycinAzithromycin3120
ValacyclovirValacyclovir Hcl2811
LovastatinLovastatin27suppressed
Pravastatin SodiumPravastatin Sodium27suppressed
SpironolactoneSpironolactone27suppressed
SymbicortBudesonide/Formoterol Fumarate26suppressed
XareltoRivaroxaban26suppressed
Bupropion XlBupropion Hcl24suppressed
Hydralazine HclHydralazine Hcl23suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
Ipratropium BromideIpratropium Bromide22suppressed
Olmesartan MedoxomilOlmesartan Medoxomil22suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2214
TemazepamTemazepam22suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2214
CarvedilolCarvedilol21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Advair DiskusFluticasone Propion/Salmeterol20suppressed
Benazepril HclBenazepril Hcl20suppressed
HydrocortisoneHydrocortisone20suppressed
Ventolin HfaAlbuterol Sulfate20suppressed
ClonazepamClonazepam19suppressed
Oxycodone HclOxycodone Hcl19suppressed
PaxlovidNirmatrelvir/Ritonavir1919
Citalopram HbrCitalopram Hydrobromide17suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol17suppressed
JanuviaSitagliptin Phosphate17suppressed
Memantine HclMemantine Hcl17suppressed
Azelastine HclAzelastine Hcl16suppressed
Doxepin HclDoxepin Hcl16suppressed
Sumatriptan SuccinateSumatriptan Succinate16suppressed
AtenololAtenolol15suppressed
Ciprofloxacin HclCiprofloxacin Hcl1512
Cyclobenzaprine HclCyclobenzaprine Hcl15suppressed
EzetimibeEzetimibe15suppressed
MeloxicamMeloxicam15suppressed
AcyclovirAcyclovir14suppressed
EstradiolEstradiol14suppressed
Metoprolol TartrateMetoprolol Tartrate14suppressed
NystatinNystatin14suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
NaproxenNaproxen13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
BaclofenBaclofen12suppressed
CelecoxibCelecoxib12suppressed
CilostazolCilostazol12suppressed
NabumetoneNabumetone12suppressed
Nifedipine ErNifedipine12suppressed
Ondansetron HclOndansetron Hcl12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Zolpidem Tartrate ErZolpidem Tartrate12suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala11suppressed
Doxycycline HyclateDoxycycline Hyclate1111
Klor-Con 10Potassium Chloride11suppressed
LevetiracetamLevetiracetam11suppressed
Methadone HclMethadone Hcl11suppressed
RamiprilRamipril11suppressed

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