Healthcare provider profile · identity verified

Mark Joseph Flynn, MD

Family Practice · EVERETT, WA · NPI 1528059441

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 Calcium369108
LisinoprilLisinopril25176
Amlodipine BesylateAmlodipine Besylate19058
Losartan PotassiumLosartan Potassium17151
Levothyroxine SodiumLevothyroxine Sodium17047
Tamsulosin HclTamsulosin Hcl13045
OmeprazoleOmeprazole11239
SimvastatinSimvastatin11030
Trazodone HclTrazodone Hcl10533
Oxycodone HclOxycodone Hcl10015
GabapentinGabapentin9031
HydrochlorothiazideHydrochlorothiazide9032
Metoprolol SuccinateMetoprolol Succinate8624
Duloxetine HclDuloxetine Hcl8522
JardianceEmpagliflozin8418
Metformin HclMetformin Hcl8025
AllopurinolAllopurinol6718
AtenololAtenolol6520
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen6518
Rosuvastatin CalciumRosuvastatin Calcium6420
Albuterol Sulfate HfaAlbuterol Sulfate6027
Donepezil HclDonepezil Hcl6015
Potassium ChloridePotassium Chloride6019
FurosemideFurosemide5919
MeloxicamMeloxicam5417
FamotidineFamotidine5316
GlipizideGlipizide5314
Metformin Hcl ErMetformin Hcl5217
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5015
ClopidogrelClopidogrel Bisulfate4712
Pantoprazole SodiumPantoprazole Sodium4712
Sertraline HclSertraline Hcl4416
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen4011
Venlafaxine Hcl ErVenlafaxine Hcl40suppressed
Morphine Sulfate ErMorphine Sulfate38suppressed
Fluticasone PropionateFluticasone Propionate3714
Fluoxetine HclFluoxetine Hcl36suppressed
Metoprolol TartrateMetoprolol Tartrate3111
Triamcinolone AcetonideTriamcinolone Acetonide2916
FinasterideFinasteride28suppressed
Ipratropium BromideIpratropium Bromide28suppressed
Oxybutynin Chloride ErOxybutynin Chloride28suppressed
AlvescoCiclesonide26suppressed
Spiriva RespimatTiotropium Bromide26suppressed
PrednisonePrednisone25suppressed
Humulin NInsulin Nph Human Isophane24suppressed
Tizanidine HclTizanidine Hcl24suppressed
Morphine SulfateMorphine Sulfate23suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl23suppressed
CarvedilolCarvedilol22suppressed
ColchicineColchicine22suppressed
Tramadol HclTramadol Hcl22suppressed
Escitalopram OxalateEscitalopram Oxalate21suppressed
Montelukast SodiumMontelukast Sodium21suppressed
PregabalinPregabalin20suppressed
Citalopram HbrCitalopram Hydrobromide19suppressed
LorazepamLorazepam19suppressed
SpironolactoneSpironolactone19suppressed
Nortriptyline HclNortriptyline Hcl18suppressed
EstradiolEstradiol16suppressed
Zolpidem TartrateZolpidem Tartrate16suppressed
FenofibrateFenofibrate15suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf1515
AripiprazoleAripiprazole14suppressed
LamotrigineLamotrigine14suppressed
Bupropion HclBupropion Hcl13suppressed
Bupropion XlBupropion Hcl13suppressed
Clindamycin HclClindamycin Hcl13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
ChlorthalidoneChlorthalidone12suppressed
CiclopiroxCiclopirox12suppressed
MupirocinMupirocin12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Wixela InhubFluticasone Propion/Salmeterol12suppressed
XifaxanRifaximin12suppressed
AlprazolamAlprazolam11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn11suppressed
PradaxaDabigatran Etexilate Mesylate11suppressed
Pramipexole DihydrochloridePramipexole Di-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