Healthcare provider profile · identity verified

Mosab Abdulbaset Frefer, MD

Internal Medicine · TUCSON, AZ · NPI 1659800977

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 Calcium422134
GabapentinGabapentin365102
Levothyroxine SodiumLevothyroxine Sodium35594
Amlodipine BesylateAmlodipine Besylate30798
FurosemideFurosemide26369
EliquisApixaban24650
Trazodone HclTrazodone Hcl21974
LisinoprilLisinopril21868
Metformin HclMetformin Hcl16241
Oxycodone HclOxycodone Hcl15436
Potassium ChloridePotassium Chloride14344
Tamsulosin HclTamsulosin Hcl13352
OmeprazoleOmeprazole12857
Losartan PotassiumLosartan Potassium12553
Tramadol HclTramadol Hcl12335
Pantoprazole SodiumPantoprazole Sodium12246
FamotidineFamotidine11955
Metoprolol TartrateMetoprolol Tartrate11138
Sertraline HclSertraline Hcl10532
BaclofenBaclofen10422
MirtazapineMirtazapine10435
Escitalopram OxalateEscitalopram Oxalate9532
Duloxetine HclDuloxetine Hcl9328
Ondansetron HclOndansetron Hcl8944
Quetiapine FumarateQuetiapine Fumarate8627
Albuterol Sulfate HfaAlbuterol Sulfate8141
LorazepamLorazepam7921
LevetiracetamLevetiracetam7819
MethocarbamolMethocarbamol7841
Buspirone HclBuspirone Hcl7720
CarvedilolCarvedilol7737
Hydralazine HclHydralazine Hcl7327
Divalproex SodiumDivalproex Sodium7215
Metoprolol SuccinateMetoprolol Succinate7233
ClopidogrelClopidogrel Bisulfate7128
Hydroxyzine HclHydroxyzine Hcl7036
AzithromycinAzithromycin6841
Donepezil HclDonepezil Hcl6817
Midodrine HclMidodrine Hcl6823
ClonazepamClonazepam65suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog6517
FinasterideFinasteride6415
Montelukast SodiumMontelukast Sodium6322
XareltoRivaroxaban6311
Alendronate SodiumAlendronate Sodium6213
Rosuvastatin CalciumRosuvastatin Calcium5822
AllopurinolAllopurinol5620
GlipizideGlipizide5513
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen5514
Fluticasone PropionateFluticasone Propionate5126
Citalopram HbrCitalopram Hydrobromide5020
Propranolol HclPropranolol Hcl50suppressed
SimvastatinSimvastatin4714
Warfarin SodiumWarfarin Sodium45suppressed
Bupropion XlBupropion Hcl4411
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate4419
Tizanidine HclTizanidine Hcl44suppressed
LantusInsulin Glargine,hum.Rec.Anlog4212
Acetic AcidAcetic Acid41suppressed
Enoxaparin SodiumEnoxaparin Sodium4112
MyrbetriqMirabegron39suppressed
HydrochlorothiazideHydrochlorothiazide38suppressed
RisperidoneRisperidone38suppressed
CephalexinCephalexin3728
Clonidine HclClonidine Hcl3712
LactuloseLactulose37suppressed
Oxybutynin Chloride ErOxybutynin Chloride37suppressed
PregabalinPregabalin3611
Insulin LisproInsulin Lispro3513
Ciprofloxacin HclCiprofloxacin Hcl3423
Pravastatin SodiumPravastatin Sodium33suppressed
Oxybutynin ChlorideOxybutynin Chloride3212
Cyclobenzaprine HclCyclobenzaprine Hcl3012
Humalog Kwikpen U-100Insulin Lispro30suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2922
Isosorbide Mononitrate ErIsosorbide Mononitrate29suppressed
LamotrigineLamotrigine29suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn2812
LatanoprostLatanoprost28suppressed
SpironolactoneSpironolactone2815
Doxycycline HyclateDoxycycline Hyclate2717
AtenololAtenolol26suppressed
Liothyronine SodiumLiothyronine Sodium26suppressed
Metoclopramide HclMetoclopramide Hcl26suppressed
Nebivolol HclNebivolol Hcl26suppressed
ChlorthalidoneChlorthalidone25suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro2412
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2417
Buprenorphine HclBuprenorphine Hcl23suppressed
JardianceEmpagliflozin2311
Morphine Sulfate ErMorphine Sulfate23suppressed
Ropinirole HclRopinirole Hcl23suppressed
Doxazosin MesylateDoxazosin Mesylate22suppressed
HydrocortisoneHydrocortisone22suppressed
PrimidonePrimidone22suppressed
RexultiBrexpiprazole22suppressed
AlprazolamAlprazolam21suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
MethylprednisoloneMethylprednisolone2116
NystatinNystatin2114
FarxigaDapagliflozin Propanediol20suppressed
HaloperidolHaloperidol20suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2011
PrednisonePrednisone2013
SynthroidLevothyroxine Sodium20suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter20suppressed
MeloxicamMeloxicam19suppressed
Mirabegron ErMirabegron19suppressed
Venlafaxine Hcl ErVenlafaxine Hcl19suppressed
Arformoterol TartrateArformoterol Tartrate18suppressed
FluconazoleFluconazole18suppressed
Invega SustennaPaliperidone Palmitate18suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog17suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
Memantine HclMemantine Hcl17suppressed
Novolog FlexpenInsulin Aspart17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
Nifedipine ErNifedipine16suppressed
LevofloxacinLevofloxacin1512
Lurasidone HclLurasidone Hcl15suppressed
Paroxetine HclParoxetine Hcl15suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl15suppressed
Sumatriptan SuccinateSumatriptan Succinate15suppressed
Azelastine HclAzelastine Hcl14suppressed
DiazepamDiazepam14suppressed
Dicyclomine HclDicyclomine Hcl14suppressed
HumalogInsulin Lispro14suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
ZaleplonZaleplon14suppressed
AcetazolamideAcetazolamide13suppressed
BrilintaTicagrelor13suppressed
BumetanideBumetanide13suppressed
Bupropion HclBupropion Hcl13suppressed
EzetimibeEzetimibe13suppressed
Imipramine HclImipramine Hcl13suppressed
LoperamideLoperamide Hcl13suppressed
Metformin Hcl ErMetformin Hcl13suppressed
PerphenazinePerphenazine13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
AzathioprineAzathioprine12suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
ErythromycinErythromycin Base12suppressed
FenofibrateFenofibrate12suppressed
Meclizine HclMeclizine Hcl12suppressed
Ondansetron OdtOndansetron12suppressed
DexamethasoneDexamethasone11suppressed
Divalproex Sodium ErDivalproex Sodium11suppressed
Hydroxyzine PamoateHydroxyzine Pamoate11suppressed
IbuprofenIbuprofen11suppressed
Lactated RingersRinger's Solution,lactated11suppressed
MounjaroTirzepatide11suppressed
TrulicityDulaglutide11suppressed

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