Healthcare provider profile · identity verified

Michael David Richter, MD

Internal Medicine · SEATTLE, WA · NPI 1982068235

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 Calcium350114
Amlodipine BesylateAmlodipine Besylate28772
Rosuvastatin CalciumRosuvastatin Calcium18562
Levothyroxine SodiumLevothyroxine Sodium16646
LisinoprilLisinopril16549
Losartan PotassiumLosartan Potassium15747
Tamsulosin HclTamsulosin Hcl13738
TelmisartanTelmisartan11644
GabapentinGabapentin10433
OmeprazoleOmeprazole10333
Sertraline HclSertraline Hcl9829
Metoprolol SuccinateMetoprolol Succinate7731
Albuterol Sulfate HfaAlbuterol Sulfate7224
Metformin Hcl ErMetformin Hcl7123
Trazodone HclTrazodone Hcl6920
EliquisApixaban6625
Escitalopram OxalateEscitalopram Oxalate6014
SimvastatinSimvastatin5816
AllopurinolAllopurinol5716
ChlorthalidoneChlorthalidone5617
HydrochlorothiazideHydrochlorothiazide5520
Metformin HclMetformin Hcl5420
Bupropion XlBupropion Hcl4713
FurosemideFurosemide4717
Pantoprazole SodiumPantoprazole Sodium4616
JardianceEmpagliflozin4314
CarvedilolCarvedilol39suppressed
FinasterideFinasteride3915
Olmesartan MedoxomilOlmesartan Medoxomil3812
Pravastatin SodiumPravastatin Sodium3711
Fluoxetine HclFluoxetine Hcl3611
LorazepamLorazepam35suppressed
PrednisonePrednisone3521
Fluticasone PropionateFluticasone Propionate3413
OzempicSemaglutide34suppressed
ValsartanValsartan3113
Duloxetine HclDuloxetine Hcl28suppressed
IrbesartanIrbesartan28suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid28suppressed
Zolpidem TartrateZolpidem Tartrate2812
SpironolactoneSpironolactone27suppressed
XareltoRivaroxaban26suppressed
Metoprolol TartrateMetoprolol Tartrate25suppressed
TrulicityDulaglutide23suppressed
MethotrexateMethotrexate Sodium22suppressed
MirtazapineMirtazapine22suppressed
AlprazolamAlprazolam20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Montelukast SodiumMontelukast Sodium20suppressed
Potassium ChloridePotassium Chloride20suppressed
RisperidoneRisperidone20suppressed
AtenololAtenolol19suppressed
MounjaroTirzepatide18suppressed
RamiprilRamipril18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
TorsemideTorsemide18suppressed
Citalopram HbrCitalopram Hydrobromide16suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl15suppressed
CelecoxibCelecoxib15suppressed
Diltiazem 24hr ErDiltiazem Hcl15suppressed
Ipratropium BromideIpratropium Bromide15suppressed
LamotrigineLamotrigine15suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1514
Glipizide ErGlipizide14suppressed
MeloxicamMeloxicam14suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
ClonazepamClonazepam13suppressed
FarxigaDapagliflozin Propanediol13suppressed
PrimidonePrimidone13suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
Donepezil HclDonepezil Hcl11suppressed
KetoconazoleKetoconazole11suppressed
MethylprednisoloneMethylprednisolone11suppressed
SynthroidLevothyroxine Sodium11suppressed
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