Healthcare provider profile · identity verified

Alexander Chekanov, PHARMD

Pharmacist · ANTIOCH, CA · NPI 1700183464

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
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen150138
Atorvastatin CalciumAtorvastatin Calcium116115
Amlodipine BesylateAmlodipine Besylate107104
Albuterol Sulfate HfaAlbuterol Sulfate8179
Losartan PotassiumLosartan Potassium6666
LisinoprilLisinopril6463
Levothyroxine SodiumLevothyroxine Sodium5654
AtenololAtenolol5452
GabapentinGabapentin5351
HydrochlorothiazideHydrochlorothiazide5352
Metformin HclMetformin Hcl4442
Pantoprazole SodiumPantoprazole Sodium4140
FamotidineFamotidine3737
IbuprofenIbuprofen3735
Fluticasone PropionateFluticasone Propionate3636
Metoprolol TartrateMetoprolol Tartrate3534
Trazodone HclTrazodone Hcl3332
SimvastatinSimvastatin3232
ValsartanValsartan3029
FurosemideFurosemide2828
OzempicSemaglutide2826
AlvescoCiclesonide2525
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide2323
Metformin Hcl ErMetformin Hcl2323
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen2321
Metoprolol SuccinateMetoprolol Succinate2220
Tizanidine HclTizanidine Hcl2222
GlipizideGlipizide2121
LorazepamLorazepam2018
Hydralazine HclHydralazine Hcl1917
OmeprazoleOmeprazole1919
Potassium ChloridePotassium Chloride1919
LovastatinLovastatin1717
MeloxicamMeloxicam1716
Ondansetron HclOndansetron Hcl1716
Oxycodone HclOxycodone Hcl1716
CarvedilolCarvedilol1614
Rosuvastatin CalciumRosuvastatin Calcium1616
Zolpidem TartrateZolpidem Tartrate1615
AllopurinolAllopurinol1515
Tramadol HclTramadol Hcl1515
Citalopram HbrCitalopram Hydrobromide1411
Wixela InhubFluticasone Propion/Salmeterol1414
Acetaminophen-CodeineAcetaminophen With Codeine1313
BaclofenBaclofen1312
Isosorbide Mononitrate ErIsosorbide Mononitrate1313
Montelukast SodiumMontelukast Sodium1312
NaproxenNaproxen1312
Sertraline HclSertraline Hcl1313
NabumetoneNabumetone1212
Humulin NInsulin Nph Human Isophane1111
PregabalinPregabalin11suppressed
Tamsulosin HclTamsulosin Hcl1111
TemazepamTemazepam11suppressed
Terazosin HclTerazosin Hcl11suppressed

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