Healthcare provider profile · identity verified

David R Shearer, MD

Family Practice · MADISON, WI · NPI 1487608741

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	811	230
Lisinopril	Lisinopril	427	118
Omeprazole	Omeprazole	424	125
Amlodipine Besylate	Amlodipine Besylate	346	105
Metoprolol Succinate	Metoprolol Succinate	278	87
Metformin Hcl	Metformin Hcl	262	67
Simvastatin	Simvastatin	261	70
Losartan Potassium	Losartan Potassium	241	70
Levothyroxine Sodium	Levothyroxine Sodium	221	60
Tamsulosin Hcl	Tamsulosin Hcl	203	61
Furosemide	Furosemide	183	51
Gabapentin	Gabapentin	170	65
Eliquis	Apixaban	168	39
Fluticasone Propionate	Fluticasone Propionate	165	73
Metoprolol Tartrate	Metoprolol Tartrate	163	46
Rosuvastatin Calcium	Rosuvastatin Calcium	162	48
Metformin Hcl Er	Metformin Hcl	150	50
Albuterol Sulfate Hfa	Albuterol Sulfate	136	68
Hydrochlorothiazide	Hydrochlorothiazide	129	41
Famotidine	Famotidine	116	26
Benazepril Hcl	Benazepril Hcl	114	33
Trazodone Hcl	Trazodone Hcl	114	42
Potassium Chloride	Potassium Chloride	111	28
Escitalopram Oxalate	Escitalopram Oxalate	110	25
Sertraline Hcl	Sertraline Hcl	101	28
Allopurinol	Allopurinol	98	30
Fluoxetine Hcl	Fluoxetine Hcl	93	29
Warfarin Sodium	Warfarin Sodium	92	28
Pantoprazole Sodium	Pantoprazole Sodium	89	22
Meloxicam	Meloxicam	87	29
Carvedilol	Carvedilol	85	23
Pregabalin	Pregabalin	76	18
Mirtazapine	Mirtazapine	74	20
Alendronate Sodium	Alendronate Sodium	73	20
Atenolol	Atenolol	66	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	66	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	64	20
Glimepiride	Glimepiride	64	15
Pravastatin Sodium	Pravastatin Sodium	62	15
Lorazepam	Lorazepam	60	12
Ozempic	Semaglutide	60	13
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	60	17
Bupropion Xl	Bupropion Hcl	59	19
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	59	21
Trulicity	Dulaglutide	57	suppressed
Xarelto	Rivaroxaban	57	13
Chlorthalidone	Chlorthalidone	54	18
Triamcinolone Acetonide	Triamcinolone Acetonide	54	36
Clopidogrel	Clopidogrel Bisulfate	53	18
Duloxetine Hcl	Duloxetine Hcl	53	15
Tizanidine Hcl	Tizanidine Hcl	52	19
Jardiance	Empagliflozin	51	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	48	19
Clonazepam	Clonazepam	48	suppressed
Fenofibrate	Fenofibrate,micronized	48	suppressed
Paroxetine Hcl	Paroxetine Hcl	48	11
Montelukast Sodium	Montelukast Sodium	47	16
Nystatin	Nystatin	47	23
Diclofenac Sodium	Diclofenac Sodium	44	15
Donepezil Hcl	Donepezil Hcl	42	suppressed
Lovastatin	Lovastatin	39	12
Amoxicillin	Amoxicillin	38	21
Myrbetriq	Mirabegron	38	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	38	suppressed
Finasteride	Finasteride	37	14
Sumatriptan Succinate	Sumatriptan Succinate	37	11
Cephalexin	Cephalexin	36	24
Citalopram Hbr	Citalopram Hydrobromide	36	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	36	11
Prednisone	Prednisone	35	23
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	34	suppressed
Ventolin Hfa	Albuterol Sulfate	34	21
Zolpidem Tartrate	Zolpidem Tartrate	34	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	31	suppressed
Levetiracetam	Levetiracetam	30	suppressed
Bupropion Hcl Sr	Bupropion Hcl	29	suppressed
Glipizide	Glipizide	29	12
Quetiapine Fumarate	Quetiapine Fumarate	29	suppressed
Tramadol Hcl	Tramadol Hcl	29	13
Buspirone Hcl	Buspirone Hcl	28	suppressed
Glipizide Er	Glipizide	28	suppressed
Nabumetone	Nabumetone	28	suppressed
Nitroglycerin	Nitroglycerin	28	18
Spironolactone	Spironolactone	28	suppressed
Nifedipine Er	Nifedipine	26	suppressed
Baclofen	Baclofen	25	suppressed
Enalapril Maleate	Enalapril Maleate	25	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	24	suppressed
Ezetimibe	Ezetimibe	23	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	22	11
Hydrocortisone	Hydrocortisone	22	suppressed
Ondansetron Odt	Ondansetron	22	suppressed
Solifenacin Succinate	Solifenacin Succinate	22	suppressed
Terazosin Hcl	Terazosin Hcl	22	suppressed
Clobetasol Propionate	Clobetasol Propionate	21	13
Clonidine Hcl	Clonidine Hcl	21	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Naproxen	Naproxen	21	suppressed
Novolog Flexpen	Insulin Aspart	21	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Benazepril-Hydrochlorothiazide	Benazepril/Hydrochlorothiazide	20	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	20	suppressed
Ipratropium Bromide	Ipratropium Bromide	19	suppressed
Prochlorperazine Maleate	Prochlorperazine Maleate	19	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	19	suppressed
Arnuity Ellipta	Fluticasone Furoate	18	suppressed
Diazepam	Diazepam	18	suppressed
Hydralazine Hcl	Hydralazine Hcl	18	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Verapamil Er	Verapamil Hcl	18	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	17	16
Fluvoxamine Maleate	Fluvoxamine Maleate	17	suppressed
Humalog Kwikpen U-100	Insulin Lispro	17	suppressed
Nystop	Nystatin	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	16	suppressed
Nyamyc	Nystatin	16	suppressed
Azithromycin	Azithromycin	15	13
Digoxin	Digoxin	15	suppressed
Ketoconazole	Ketoconazole	15	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	15	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	14	suppressed
Estradiol	Estradiol	14	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	14	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	14	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	13	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	13	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	12	suppressed
Loperamide	Loperamide Hcl	12	suppressed
Mesalamine Dr	Mesalamine	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	11	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	11	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	11	suppressed
Ibandronate Sodium	Ibandronate Sodium	11	suppressed
Latanoprost	Latanoprost	11	suppressed
Morphine Sulfate Er	Morphine Sulfate	11	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	11	suppressed
Sucralfate	Sucralfate	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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