Healthcare provider profile · identity verified

Biserka Matkovic, MD

Internal Medicine · BAKERSFIELD, CA · NPI 1972674893

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 Calcium35597
Levothyroxine SodiumLevothyroxine Sodium25465
Amlodipine BesylateAmlodipine Besylate21857
Losartan PotassiumLosartan Potassium16443
Metoprolol SuccinateMetoprolol Succinate16447
LisinoprilLisinopril15748
PrednisonePrednisone14687
Rosuvastatin CalciumRosuvastatin Calcium14645
OmeprazoleOmeprazole14535
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13628
GabapentinGabapentin12228
Metformin HclMetformin Hcl11433
SynthroidLevothyroxine Sodium10522
HydrochlorothiazideHydrochlorothiazide10130
AzithromycinAzithromycin8860
MeloxicamMeloxicam8822
Escitalopram OxalateEscitalopram Oxalate8726
Metformin Hcl ErMetformin Hcl8327
SimvastatinSimvastatin7820
Albuterol Sulfate HfaAlbuterol Sulfate7635
BaclofenBaclofen7227
FurosemideFurosemide7120
OzempicSemaglutide7012
ClopidogrelClopidogrel Bisulfate6917
Sertraline HclSertraline Hcl6916
Pantoprazole SodiumPantoprazole Sodium6422
AlprazolamAlprazolam5826
Tramadol HclTramadol Hcl5616
JanuviaSitagliptin Phosphate5212
Doxazosin MesylateDoxazosin Mesylate5112
Metoprolol TartrateMetoprolol Tartrate5017
JardianceEmpagliflozin49suppressed
EstradiolEstradiol46suppressed
AllopurinolAllopurinol4413
EliquisApixaban44suppressed
Fluticasone PropionateFluticasone Propionate4319
Tamsulosin HclTamsulosin Hcl4315
Pioglitazone HclPioglitazone Hcl4211
AtenololAtenolol4111
FamotidineFamotidine4117
Trazodone HclTrazodone Hcl4011
Olmesartan MedoxomilOlmesartan Medoxomil39suppressed
Doxycycline HyclateDoxycycline Hyclate3627
Potassium ChloridePotassium Chloride35suppressed
ValsartanValsartan35suppressed
CarvedilolCarvedilol34suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen33suppressed
GlimepirideGlimepiride3211
Ondansetron HclOndansetron Hcl3013
Ciprofloxacin HclCiprofloxacin Hcl2915
Duloxetine HclDuloxetine Hcl29suppressed
Glipizide ErGlipizide28suppressed
PregabalinPregabalin28suppressed
CelecoxibCelecoxib27suppressed
CephalexinCephalexin2723
FarxigaDapagliflozin Propanediol27suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2715
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
Zolpidem TartrateZolpidem Tartrate27suppressed
TemazepamTemazepam26suppressed
Benazepril HclBenazepril Hcl25suppressed
FluconazoleFluconazole2518
Citalopram HbrCitalopram Hydrobromide24suppressed
Hydralazine HclHydralazine Hcl23suppressed
Montelukast SodiumMontelukast Sodium23suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2212
GlipizideGlipizide22suppressed
IrbesartanIrbesartan22suppressed
IbuprofenIbuprofen21suppressed
ValacyclovirValacyclovir Hcl20suppressed
AmoxicillinAmoxicillin1915
Pravastatin SodiumPravastatin Sodium19suppressed
ClonazepamClonazepam18suppressed
Ibandronate SodiumIbandronate Sodium18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol17suppressed
Amitriptyline HclAmitriptyline Hcl16suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide15suppressed
LorazepamLorazepam15suppressed
SpironolactoneSpironolactone15suppressed
XareltoRivaroxaban15suppressed
Acetaminophen-CodeineAcetaminophen With Codeine14suppressed
ClotrimazoleClotrimazole14suppressed
LovastatinLovastatin14suppressed
Paroxetine HclParoxetine Hcl14suppressed
Bupropion XlBupropion Hcl13suppressed
CymbaltaDuloxetine Hcl13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
Tresiba Flextouch U-200Insulin Degludec13suppressed
Buspirone HclBuspirone Hcl12suppressed
DiovanValsartan12suppressed
FinasterideFinasteride12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Meclizine HclMeclizine Hcl12suppressed
Alendronate SodiumAlendronate Sodium11suppressed
FentanylFentanyl11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
Wixela InhubFluticasone Propion/Salmeterol11suppressed

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