Healthcare provider profile · identity verified

Samuel James Heiks, MD

Family Practice · APPLETON, WI · NPI 1013176312

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	918	232
Amlodipine Besylate	Amlodipine Besylate	640	148
Losartan Potassium	Losartan Potassium	473	121
Levothyroxine Sodium	Levothyroxine Sodium	447	99
Lisinopril	Lisinopril	362	97
Omeprazole	Omeprazole	350	86
Rosuvastatin Calcium	Rosuvastatin Calcium	270	72
Metoprolol Succinate	Metoprolol Succinate	263	71
Metformin Hcl Er	Metformin Hcl	248	64
Simvastatin	Simvastatin	245	63
Metoprolol Tartrate	Metoprolol Tartrate	197	56
Eliquis	Apixaban	193	45
Hydrochlorothiazide	Hydrochlorothiazide	187	53
Sertraline Hcl	Sertraline Hcl	176	40
Tamsulosin Hcl	Tamsulosin Hcl	174	49
Warfarin Sodium	Warfarin Sodium	172	34
Furosemide	Furosemide	142	34
Allopurinol	Allopurinol	132	35
Glimepiride	Glimepiride	131	35
Potassium Chloride	Potassium Chloride	127	27
Trazodone Hcl	Trazodone Hcl	127	31
Pantoprazole Sodium	Pantoprazole Sodium	124	35
Lovastatin	Lovastatin	123	35
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	119	33
Fluticasone Propionate	Fluticasone Propionate	116	37
Ozempic	Semaglutide	115	20
Metformin Hcl	Metformin Hcl	112	33
Escitalopram Oxalate	Escitalopram Oxalate	108	23
Gabapentin	Gabapentin	108	36
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	107	31
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	101	21
Buspirone Hcl	Buspirone Hcl	100	16
Venlafaxine Hcl Er	Venlafaxine Hcl	100	19
Albuterol Sulfate Hfa	Albuterol Sulfate	93	43
Citalopram Hbr	Citalopram Hydrobromide	92	20
Trulicity	Dulaglutide	91	14
Pravastatin Sodium	Pravastatin Sodium	85	26
Spironolactone	Spironolactone	80	23
Chlorthalidone	Chlorthalidone	79	21
Oxybutynin Chloride Er	Oxybutynin Chloride	79	13
Clonazepam	Clonazepam	76	15
Atenolol	Atenolol	74	17
Duloxetine Hcl	Duloxetine Hcl	74	19
Prednisone	Prednisone	72	46
Clopidogrel	Clopidogrel Bisulfate	68	18
Zolpidem Tartrate	Zolpidem Tartrate	68	suppressed
Alendronate Sodium	Alendronate Sodium	65	18
Cephalexin	Cephalexin	64	49
Meloxicam	Meloxicam	64	35
Celecoxib	Celecoxib	62	16
Donepezil Hcl	Donepezil Hcl	60	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	59	21
Alprazolam	Alprazolam	58	16
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	58	11
Lorazepam	Lorazepam	57	22
Paroxetine Hcl	Paroxetine Hcl	54	suppressed
Ezetimibe	Ezetimibe	53	13
Doxazosin Mesylate	Doxazosin Mesylate	51	11
Carvedilol	Carvedilol	50	15
Famotidine	Famotidine	50	13
Oxycodone Hcl	Oxycodone Hcl	50	suppressed
Tizanidine Hcl	Tizanidine Hcl	50	12
Tramadol Hcl	Tramadol Hcl	48	15
Jardiance	Empagliflozin	47	14
Finasteride	Finasteride	46	11
Montelukast Sodium	Montelukast Sodium	45	13
Triamcinolone Acetonide	Triamcinolone Acetonide	41	32
Diclofenac Sodium	Diclofenac Sodium	38	13
Bupropion Xl	Bupropion Hcl	36	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Benazepril Hcl	Benazepril Hcl	34	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	34	14
Ketorolac Tromethamine	Ketorolac Tromethamine	33	suppressed
Amoxicillin	Amoxicillin	32	22
Azithromycin	Azithromycin	32	29
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	31	30
Aripiprazole	Aripiprazole	31	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	29	28
Spiriva Handihaler	Tiotropium Bromide	27	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	26	22
Amitriptyline Hcl	Amitriptyline Hcl	25	suppressed
Fosinopril Sodium	Fosinopril Sodium	25	suppressed
Pregabalin	Pregabalin	25	suppressed
Breo Ellipta	Fluticasone/Vilanterol	24	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	24	suppressed
Loperamide	Loperamide Hcl	24	suppressed
Nitroglycerin	Nitroglycerin	24	21
Synthroid	Levothyroxine Sodium	24	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	24	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	23	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Glipizide Er	Glipizide	23	suppressed
Memantine Hcl	Memantine Hcl	21	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	21	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	21	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	21	suppressed
Verapamil Er	Verapamil Hcl	21	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	20	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	19	12
Irbesartan	Irbesartan	19	suppressed
Ropinirole Hcl	Ropinirole Hcl	19	suppressed
Topiramate	Topiramate	19	suppressed
Varenicline Tartrate	Varenicline Tartrate	19	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	18	suppressed
Xarelto	Rivaroxaban	18	suppressed
Divalproex Sodium	Divalproex Sodium	17	suppressed
Enalapril Maleate	Enalapril Maleate	17	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	17	suppressed
Fluconazole	Fluconazole	16	suppressed
Novolog Flexpen	Insulin Aspart	15	suppressed
Ondansetron Hcl	Ondansetron Hcl	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	15	suppressed
Diazepam	Diazepam	14	suppressed
Incruse Ellipta	Umeclidinium Bromide	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Methylprednisolone	Methylprednisolone	13	12
Metronidazole	Metronidazole	13	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Invokana	Canagliflozin	12	suppressed
Tresiba Flextouch U-100	Insulin Degludec	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	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