Healthcare provider profile · identity verified

Mark V Seby, M.D.

Family Practice · FLAGSTAFF, AZ · NPI 1649277492

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
Losartan PotassiumLosartan Potassium19053
Levothyroxine SodiumLevothyroxine Sodium18146
Amlodipine BesylateAmlodipine Besylate15447
IrbesartanIrbesartan13337
Rosuvastatin CalciumRosuvastatin Calcium8327
LisinoprilLisinopril8121
EliquisApixaban7318
Atorvastatin CalciumAtorvastatin Calcium7219
Pravastatin SodiumPravastatin Sodium6821
Metformin HclMetformin Hcl6419
JardianceEmpagliflozin6315
HydrochlorothiazideHydrochlorothiazide6218
ClonazepamClonazepam58suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5511
Tamsulosin HclTamsulosin Hcl5517
Metoprolol SuccinateMetoprolol Succinate5115
LorazepamLorazepam50suppressed
PregabalinPregabalin48suppressed
FurosemideFurosemide4014
AlprazolamAlprazolam37suppressed
Zolpidem TartrateZolpidem Tartrate37suppressed
Sertraline HclSertraline Hcl35suppressed
TrulicityDulaglutide33suppressed
GabapentinGabapentin31suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2912
Oxycodone HclOxycodone Hcl29suppressed
CarvedilolCarvedilol28suppressed
Metoprolol TartrateMetoprolol Tartrate28suppressed
Spiriva RespimatTiotropium Bromide25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2414
Albuterol Sulfate HfaAlbuterol Sulfate23suppressed
Trazodone HclTrazodone Hcl23suppressed
Escitalopram OxalateEscitalopram Oxalate22suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic22suppressed
TemazepamTemazepam22suppressed
AllopurinolAllopurinol21suppressed
Novolog FlexpenInsulin Aspart21suppressed
SynthroidLevothyroxine Sodium21suppressed
Potassium ChloridePotassium Chloride20suppressed
ValsartanValsartan19suppressed
DiazepamDiazepam18suppressed
FinasterideFinasteride18suppressed
Nifedipine ErNifedipine18suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
FamotidineFamotidine17suppressed
Quetiapine FumarateQuetiapine Fumarate17suppressed
ValacyclovirValacyclovir Hcl17suppressed
Pantoprazole SodiumPantoprazole Sodium16suppressed
PrednisonePrednisone16suppressed
EstradiolEstradiol13suppressed
Fluticasone PropionateFluticasone Propionate13suppressed
Liothyronine SodiumLiothyronine Sodium13suppressed
SpironolactoneSpironolactone13suppressed
Terazosin HclTerazosin Hcl13suppressed
Tramadol HclTramadol Hcl13suppressed
AtenololAtenolol12suppressed
LevemirInsulin Detemir12suppressed
Levemir FlexpenInsulin Detemir12suppressed
Memantine HclMemantine Hcl12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
Promethazine HclPromethazine Hcl12suppressed
Benazepril HclBenazepril Hcl11suppressed
LevetiracetamLevetiracetam11suppressed
Warfarin SodiumWarfarin Sodium11suppressed

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