Healthcare provider profile · identity verified

Robert C Lyman, DO

Internal Medicine · LEBANON, NH · NPI 1295228856

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 Calcium24384
LisinoprilLisinopril23975
Levothyroxine SodiumLevothyroxine Sodium23367
Amlodipine BesylateAmlodipine Besylate22971
Losartan PotassiumLosartan Potassium18555
OmeprazoleOmeprazole18453
Metoprolol SuccinateMetoprolol Succinate14541
Rosuvastatin CalciumRosuvastatin Calcium12742
Metformin HclMetformin Hcl11634
GabapentinGabapentin9734
Duloxetine HclDuloxetine Hcl9528
Pantoprazole SodiumPantoprazole Sodium9125
FurosemideFurosemide8827
HydrochlorothiazideHydrochlorothiazide8325
Sertraline HclSertraline Hcl7719
Albuterol Sulfate HfaAlbuterol Sulfate7430
Buspirone HclBuspirone Hcl7417
Tamsulosin HclTamsulosin Hcl7331
Trazodone HclTrazodone Hcl6925
Escitalopram OxalateEscitalopram Oxalate6521
Metformin Hcl ErMetformin Hcl6419
Bupropion XlBupropion Hcl6216
EliquisApixaban5815
SimvastatinSimvastatin5721
Quetiapine FumarateQuetiapine Fumarate47suppressed
Pravastatin SodiumPravastatin Sodium4511
Montelukast SodiumMontelukast Sodium4312
Citalopram HbrCitalopram Hydrobromide4215
JardianceEmpagliflozin42suppressed
PrednisonePrednisone4226
MirtazapineMirtazapine41suppressed
CarvedilolCarvedilol40suppressed
Amitriptyline HclAmitriptyline Hcl39suppressed
Metoprolol TartrateMetoprolol Tartrate37suppressed
Venlafaxine Hcl ErVenlafaxine Hcl3712
Alendronate SodiumAlendronate Sodium3611
AtenololAtenolol35suppressed
Oxycodone HclOxycodone Hcl3511
Fluticasone PropionateFluticasone Propionate3414
Potassium ChloridePotassium Chloride3412
AllopurinolAllopurinol31suppressed
FamotidineFamotidine3112
GlipizideGlipizide30suppressed
MeloxicamMeloxicam3011
Ropinirole HclRopinirole Hcl27suppressed
Fluoxetine HclFluoxetine Hcl25suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium24suppressed
Oxybutynin Chloride ErOxybutynin Chloride24suppressed
OzempicSemaglutide24suppressed
SynthroidLevothyroxine Sodium24suppressed
Tramadol HclTramadol Hcl24suppressed
Glipizide ErGlipizide23suppressed
LorazepamLorazepam2311
PregabalinPregabalin23suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
ClonazepamClonazepam22suppressed
Ipratropium BromideIpratropium Bromide22suppressed
SpironolactoneSpironolactone22suppressed
KetoconazoleKetoconazole2011
Donepezil HclDonepezil Hcl19suppressed
Propranolol HclPropranolol Hcl19suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl18suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter18suppressed
Bupropion Hcl SrBupropion Hcl17suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
IbuprofenIbuprofen17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
Enalapril MaleateEnalapril Maleate16suppressed
FinasterideFinasteride16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
ChlorthalidoneChlorthalidone15suppressed
EntrestoSacubitril/Valsartan15suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15suppressed
NystatinNystatin15suppressed
ValsartanValsartan15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
AripiprazoleAripiprazole14suppressed
CephalexinCephalexin1412
Liothyronine SodiumLiothyronine Sodium14suppressed
LovastatinLovastatin14suppressed
Qvar RedihalerBeclomethasone Dipropionate14suppressed
RisperidoneRisperidone14suppressed
Tresiba Flextouch U-100Insulin Degludec14suppressed
Triamcinolone AcetonideTriamcinolone Acetonide14suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil1312
Doxycycline HyclateDoxycycline Hyclate1311
EstradiolEstradiol13suppressed
Fluticasone-Salmeterol HfaFluticasone Propion/Salmeterol13suppressed
JanuviaSitagliptin Phosphate13suppressed
LamotrigineLamotrigine13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1212
ColchicineColchicine12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
Tizanidine HclTizanidine Hcl12suppressed
TorsemideTorsemide12suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
ConcertaMethylphenidate Hcl11suppressed
LidocaineLidocaine11suppressed
Nifedipine ErNifedipine11suppressed
Venlafaxine HclVenlafaxine 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