Healthcare provider profile · identity verified

Johnathan Christopher Mccaslan, PA-C

Physician Assistant · ANDERSON, SC · NPI 1124076146

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 Calcium337103
Amlodipine BesylateAmlodipine Besylate25270
LisinoprilLisinopril23273
HydrochlorothiazideHydrochlorothiazide17152
GabapentinGabapentin16140
Levothyroxine SodiumLevothyroxine Sodium15040
OmeprazoleOmeprazole14438
Albuterol Sulfate HfaAlbuterol Sulfate13234
FurosemideFurosemide12032
Metformin HclMetformin Hcl11638
Cyclobenzaprine HclCyclobenzaprine Hcl10527
Metoprolol TartrateMetoprolol Tartrate10132
Losartan PotassiumLosartan Potassium9721
SimvastatinSimvastatin8734
JardianceEmpagliflozin8417
MeloxicamMeloxicam8219
Pantoprazole SodiumPantoprazole Sodium8125
Pravastatin SodiumPravastatin Sodium7929
Metoprolol SuccinateMetoprolol Succinate6926
Tamsulosin HclTamsulosin Hcl6417
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6119
Rosuvastatin CalciumRosuvastatin Calcium6119
OzempicSemaglutide6013
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5917
CarvedilolCarvedilol5616
EliquisApixaban5512
FamotidineFamotidine5417
Montelukast SodiumMontelukast Sodium5414
AllopurinolAllopurinol5217
JanuviaSitagliptin Phosphate5011
Fluticasone PropionateFluticasone Propionate4919
Potassium ChloridePotassium Chloride4913
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4511
GlipizideGlipizide39suppressed
Hydralazine HclHydralazine Hcl3713
Clonidine HclClonidine Hcl36suppressed
Citalopram HbrCitalopram Hydrobromide32suppressed
ColchicineColchicine32suppressed
SymbicortBudesonide/Formoterol Fumarate31suppressed
ClopidogrelClopidogrel Bisulfate3011
Escitalopram OxalateEscitalopram Oxalate30suppressed
AlprazolamAlprazolam29suppressed
Diclofenac SodiumDiclofenac Sodium29suppressed
Pioglitazone HclPioglitazone Hcl29suppressed
Trazodone HclTrazodone Hcl29suppressed
Triamcinolone AcetonideTriamcinolone Acetonide28suppressed
Buspirone HclBuspirone Hcl27suppressed
SpironolactoneSpironolactone2512
GlimepirideGlimepiride24suppressed
Glipizide ErGlipizide24suppressed
Quetiapine FumarateQuetiapine Fumarate24suppressed
Ondansetron OdtOndansetron23suppressed
Metoclopramide HclMetoclopramide Hcl22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
PrednisonePrednisone21suppressed
Amitriptyline HclAmitriptyline Hcl19suppressed
CilostazolCilostazol19suppressed
Tizanidine HclTizanidine Hcl19suppressed
MethocarbamolMethocarbamol18suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter18suppressed
Duloxetine HclDuloxetine Hcl17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
Varenicline TartrateVarenicline Tartrate17suppressed
LevetiracetamLevetiracetam16suppressed
Meclizine HclMeclizine Hcl16suppressed
MounjaroTirzepatide16suppressed
Novolog FlexpenInsulin Aspart16suppressed
Propranolol HclPropranolol Hcl16suppressed
XareltoRivaroxaban16suppressed
AtenololAtenolol15suppressed
Dicyclomine HclDicyclomine Hcl15suppressed
Sertraline HclSertraline Hcl15suppressed
TopiramateTopiramate15suppressed
IbuprofenIbuprofen14suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
Metformin Hcl ErMetformin Hcl14suppressed
Novolog Mix 70-30 FlexpenInsulin Aspart Prot/Insuln Asp14suppressed
Oxycodone HclOxycodone Hcl14suppressed
Paroxetine HclParoxetine Hcl14suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1312
Dropsafe Prep PadsAlcohol Antiseptic Pads13suppressed
Folic AcidFolic Acid13suppressed
Tramadol HclTramadol Hcl13suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
FarxigaDapagliflozin Propanediol12suppressed
Humalog Mix 75-25 KwikpenInsulin Lispro Protamin/Lispro12suppressed
NaproxenNaproxen12suppressed
NitroglycerinNitroglycerin12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
MethimazoleMethimazole11suppressed
SynthroidLevothyroxine Sodium11suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid11suppressed
Victoza 3-PakLiraglutide11suppressed

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