Healthcare provider profile · identity verified

David C Smiley, MD

Internal Medicine · CRYSTAL, MN · NPI 1437189057

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	551	161
Lisinopril	Lisinopril	499	145
Amlodipine Besylate	Amlodipine Besylate	480	151
Metoprolol Succinate	Metoprolol Succinate	420	128
Omeprazole	Omeprazole	317	100
Levothyroxine Sodium	Levothyroxine Sodium	297	85
Rosuvastatin Calcium	Rosuvastatin Calcium	270	89
Losartan Potassium	Losartan Potassium	253	75
Hydrochlorothiazide	Hydrochlorothiazide	244	69
Warfarin Sodium	Warfarin Sodium	240	57
Simvastatin	Simvastatin	221	66
Furosemide	Furosemide	182	57
Tamsulosin Hcl	Tamsulosin Hcl	182	52
Trazodone Hcl	Trazodone Hcl	155	59
Prednisone	Prednisone	152	105
Sertraline Hcl	Sertraline Hcl	150	45
Trulicity	Dulaglutide	140	23
Metformin Hcl	Metformin Hcl	139	40
Metformin Hcl Er	Metformin Hcl	135	45
Gabapentin	Gabapentin	121	49
Metoprolol Tartrate	Metoprolol Tartrate	120	39
Eliquis	Apixaban	119	36
Allopurinol	Allopurinol	112	32
Citalopram Hbr	Citalopram Hydrobromide	103	30
Tramadol Hcl	Tramadol Hcl	101	30
Atenolol	Atenolol	94	21
Pravastatin Sodium	Pravastatin Sodium	92	23
Jardiance	Empagliflozin	85	24
Albuterol Sulfate Hfa	Albuterol Sulfate	77	32
Finasteride	Finasteride	76	20
Potassium Chloride	Potassium Chloride	76	25
Carvedilol	Carvedilol	74	21
Ozempic	Semaglutide	73	20
Clopidogrel	Clopidogrel Bisulfate	72	23
Alendronate Sodium	Alendronate Sodium	67	21
Famotidine	Famotidine	67	21
Pantoprazole Sodium	Pantoprazole Sodium	66	24
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	66	18
Escitalopram Oxalate	Escitalopram Oxalate	65	20
Mirtazapine	Mirtazapine	65	20
Xarelto	Rivaroxaban	64	21
Tizanidine Hcl	Tizanidine Hcl	63	25
Cephalexin	Cephalexin	62	45
Bupropion Xl	Bupropion Hcl	54	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	54	15
Glimepiride	Glimepiride	53	14
Triamcinolone Acetonide	Triamcinolone Acetonide	52	41
Montelukast Sodium	Montelukast Sodium	50	14
Fluticasone Propionate	Fluticasone Propionate	48	19
Isosorbide Mononitrate Er	Isosorbide Mononitrate	48	13
Fluoxetine Hcl	Fluoxetine Hcl	45	14
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	45	14
Venlafaxine Hcl Er	Venlafaxine Hcl	45	14
Oxycodone Hcl	Oxycodone Hcl	43	18
Torsemide	Torsemide	43	17
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	41	14
Nitroglycerin	Nitroglycerin	41	26
Azithromycin	Azithromycin	40	38
Alprazolam	Alprazolam	38	19
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	38	14
Glipizide Er	Glipizide	37	11
Paroxetine Hcl	Paroxetine Hcl	35	suppressed
Glipizide	Glipizide	34	11
Oxybutynin Chloride Er	Oxybutynin Chloride	31	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	29	11
Lansoprazole	Lansoprazole	29	suppressed
Lorazepam	Lorazepam	29	11
Synthroid	Levothyroxine Sodium	29	suppressed
Ezetimibe	Ezetimibe	28	suppressed
Lamotrigine	Lamotrigine	28	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	27	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	26	20
Nystatin	Nystatin	26	15
Zolpidem Tartrate	Zolpidem Tartrate	26	suppressed
Duloxetine Hcl	Duloxetine Hcl	25	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	25	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	24	suppressed
Celecoxib	Celecoxib	23	11
Spironolactone	Spironolactone	23	suppressed
Topiramate	Topiramate	23	suppressed
Buspirone Hcl	Buspirone Hcl	22	suppressed
Myrbetriq	Mirabegron	22	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	21	suppressed
Klor-Con M20	Potassium Chloride	21	suppressed
Meloxicam	Meloxicam	21	suppressed
Ondansetron Hcl	Ondansetron Hcl	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	20	20
Breo Ellipta	Fluticasone/Vilanterol	20	suppressed
Hydralazine Hcl	Hydralazine Hcl	20	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	19	suppressed
Januvia	Sitagliptin Phosphate	19	suppressed
Levetiracetam	Levetiracetam	19	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	19	suppressed
Sildenafil Citrate	Sildenafil Citrate	19	suppressed
Amoxicillin	Amoxicillin	18	13
Cefdinir	Cefdinir	18	17
Irbesartan	Irbesartan	18	suppressed
Lovastatin	Lovastatin	18	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	18	18
Amitriptyline Hcl	Amitriptyline Hcl	17	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	17	suppressed
Naproxen	Naproxen	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	17	suppressed
Bupropion Hcl	Bupropion Hcl	16	suppressed
Clonazepam	Clonazepam	16	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	16	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	16	suppressed
Cefuroxime	Cefuroxime Axetil	15	13
Donepezil Hcl	Donepezil Hcl	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Verapamil Er	Verapamil Hcl	15	suppressed
Chlorthalidone	Chlorthalidone	14	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	14	11
Latanoprost	Latanoprost	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Tresiba Flextouch U-100	Insulin Degludec	13	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Gemtesa	Vibegron	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Ondansetron Odt	Ondansetron	12	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	12	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Levocarnitine	Levocarnitine	11	suppressed
Memantine Hcl	Memantine Hcl	11	suppressed
Novolog Flexpen	Insulin Aspart	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

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