Healthcare provider profile · identity verified

Mark C. Pyles, MD

General Surgery · BERWICK, PA · NPI 1154328110

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
Pantoprazole SodiumPantoprazole Sodium45290
NabumetoneNabumetone16853
Metoclopramide HclMetoclopramide Hcl16643
SucralfateSucralfate14837
Levothyroxine SodiumLevothyroxine Sodium8016
Potassium ChloridePotassium Chloride7919
LorazepamLorazepam7814
Metoprolol TartrateMetoprolol Tartrate7614
OmeprazoleOmeprazole7213
Clonidine HclClonidine Hcl7118
LisinoprilLisinopril6214
GlipizideGlipizide5713
BumetanideBumetanide5611
ClopidogrelClopidogrel Bisulfate5613
LevofloxacinLevofloxacin5631
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen5625
AlprazolamAlprazolam55suppressed
AllopurinolAllopurinol5114
Metoprolol SuccinateMetoprolol Succinate49suppressed
GabapentinGabapentin48suppressed
PrednisonePrednisone4714
Tamsulosin HclTamsulosin Hcl46suppressed
FurosemideFurosemide4515
CholestyramineCholestyramine (With Sugar)4413
CilostazolCilostazol44suppressed
Losartan PotassiumLosartan Potassium42suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl41suppressed
Albuterol Sulfate HfaAlbuterol Sulfate39suppressed
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine36suppressed
Mesalamine ErMesalamine32suppressed
SimvastatinSimvastatin30suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip28suppressed
Escitalopram OxalateEscitalopram Oxalate28suppressed
Amlodipine BesylateAmlodipine Besylate27suppressed
Atorvastatin CalciumAtorvastatin Calcium27suppressed
Doxycycline HyclateDoxycycline Hyclate2713
Zolpidem TartrateZolpidem Tartrate26suppressed
Hydralazine HclHydralazine Hcl24suppressed
Metformin HclMetformin Hcl24suppressed
Montelukast SodiumMontelukast Sodium24suppressed
Morphine Sulfate ErMorphine Sulfate24suppressed
Ondansetron OdtOndansetron24suppressed
FinasterideFinasteride23suppressed
Ciprofloxacin HclCiprofloxacin Hcl2212
AzithromycinAzithromycin20suppressed
Meclizine HclMeclizine Hcl19suppressed
IbuprofenIbuprofen18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
Trazodone HclTrazodone Hcl18suppressed
OzempicSemaglutide17suppressed
Colestipol HclColestipol Hcl16suppressed
JantovenWarfarin Sodium16suppressed
NitroglycerinNitroglycerin16suppressed
JardianceEmpagliflozin15suppressed
Klor-Con M10Potassium Chloride15suppressed
AmoxicillinAmoxicillin14suppressed
Doxycycline MonohydrateDoxycycline Monohydrate14suppressed
ValacyclovirValacyclovir Hcl14suppressed
EliquisApixaban13suppressed
GemfibrozilGemfibrozil13suppressed
MovantikNaloxegol Oxalate13suppressed
Rosuvastatin CalciumRosuvastatin Calcium13suppressed
Betamethasone DipropionateBetamethasone Dipropionate12suppressed
CarvedilolCarvedilol12suppressed
Dilt-XrDiltiazem Hcl12suppressed
Glipizide ErGlipizide12suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12suppressed
MeloxicamMeloxicam12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
DiazepamDiazepam11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
HydrochlorothiazideHydrochlorothiazide11suppressed
Methylphenidate Hcl Er (Cd)Methylphenidate Hcl11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
TemazepamTemazepam11suppressed
TopiramateTopiramate11suppressed
Tramadol HclTramadol 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