Healthcare provider profile · identity verified

Allan D Nelson, MD

Family Practice · PENTWATER, MI · NPI 1982792040

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	1018	291
Omeprazole	Omeprazole	428	136
Lisinopril	Lisinopril	420	129
Hydrochlorothiazide	Hydrochlorothiazide	388	109
Losartan Potassium	Losartan Potassium	384	114
Levothyroxine Sodium	Levothyroxine Sodium	328	92
Tamsulosin Hcl	Tamsulosin Hcl	300	93
Metformin Hcl	Metformin Hcl	265	81
Amlodipine Besylate	Amlodipine Besylate	263	77
Rosuvastatin Calcium	Rosuvastatin Calcium	255	96
Eliquis	Apixaban	246	61
Simvastatin	Simvastatin	246	73
Meloxicam	Meloxicam	217	65
Metoprolol Succinate	Metoprolol Succinate	199	65
Alendronate Sodium	Alendronate Sodium	191	61
Alprazolam	Alprazolam	181	52
Allopurinol	Allopurinol	165	46
Furosemide	Furosemide	162	51
Metoprolol Tartrate	Metoprolol Tartrate	162	51
Gabapentin	Gabapentin	159	66
Atenolol	Atenolol	154	44
Pantoprazole Sodium	Pantoprazole Sodium	153	41
Carvedilol	Carvedilol	140	39
Mounjaro	Tirzepatide	136	28
Tramadol Hcl	Tramadol Hcl	136	41
Duloxetine Hcl	Duloxetine Hcl	124	32
Glipizide	Glipizide	118	40
Ezetimibe	Ezetimibe	110	36
Pravastatin Sodium	Pravastatin Sodium	110	26
Zolpidem Tartrate	Zolpidem Tartrate	105	34
Trazodone Hcl	Trazodone Hcl	87	30
Albuterol Sulfate Hfa	Albuterol Sulfate	85	43
Fluticasone Propionate	Fluticasone Propionate	84	30
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	84	24
Gemfibrozil	Gemfibrozil	82	22
Finasteride	Finasteride	81	26
Citalopram Hbr	Citalopram Hydrobromide	80	27
Potassium Chloride	Potassium Chloride	76	28
Metformin Hcl Er	Metformin Hcl	75	23
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	73	37
Sertraline Hcl	Sertraline Hcl	72	22
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	68	16
Clopidogrel	Clopidogrel Bisulfate	66	19
Escitalopram Oxalate	Escitalopram Oxalate	66	22
Montelukast Sodium	Montelukast Sodium	64	21
Pioglitazone Hcl	Pioglitazone Hcl	63	21
Bupropion Xl	Bupropion Hcl	61	22
Celecoxib	Celecoxib	60	17
Jardiance	Empagliflozin	59	15
Pregabalin	Pregabalin	59	20
Glipizide Er	Glipizide	56	17
Spironolactone	Spironolactone	53	18
Risedronate Sodium	Risedronate Sodium	52	16
Januvia	Sitagliptin Phosphate	51	12
Clonazepam	Clonazepam	49	11
Famotidine	Famotidine	49	21
Tizanidine Hcl	Tizanidine Hcl	48	15
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	47	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	46	25
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	46	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	42	14
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	41	17
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	39	14
Naproxen	Naproxen	38	19
Amitriptyline Hcl	Amitriptyline Hcl	37	11
Buspirone Hcl	Buspirone Hcl	37	13
Azelastine Hcl	Azelastine Hcl	36	20
Trulicity	Dulaglutide	36	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	36	14
Donepezil Hcl	Donepezil Hcl	35	15
Xarelto	Rivaroxaban	35	suppressed
Baclofen	Baclofen	34	15
Glimepiride	Glimepiride	34	11
Ozempic	Semaglutide	34	suppressed
Memantine Hcl	Memantine Hcl	33	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	32	suppressed
Lorazepam	Lorazepam	32	suppressed
Farxiga	Dapagliflozin Propanediol	30	suppressed
Lansoprazole	Lansoprazole	30	suppressed
Chlorthalidone	Chlorthalidone	29	11
Clonidine Hcl	Clonidine Hcl	29	suppressed
Estradiol	Estradiol	29	suppressed
Methylprednisolone	Methylprednisolone	29	25
Fluoxetine Hcl	Fluoxetine Hcl	28	suppressed
Ibuprofen	Ibuprofen	28	13
Myrbetriq	Mirabegron	28	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	28	suppressed
Benazepril Hcl	Benazepril Hcl	26	suppressed
Fenofibrate	Fenofibrate	26	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	25	suppressed
Nitroglycerin	Nitroglycerin	25	17
Ramipril	Ramipril	25	suppressed
Terbinafine Hcl	Terbinafine Hcl	25	suppressed
Cimetidine	Cimetidine	24	suppressed
Dutasteride	Dutasteride	24	suppressed
Synthroid	Levothyroxine Sodium	24	suppressed
Meclizine Hcl	Meclizine Hcl	23	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	23	suppressed
Lovastatin	Lovastatin	21	suppressed
Premarin	Estrogens, Conjugated	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	20	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	20	17
Quetiapine Fumarate	Quetiapine Fumarate	20	suppressed
Topiramate	Topiramate	20	suppressed
Azithromycin	Azithromycin	19	18
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	19	suppressed
Terazosin Hcl	Terazosin Hcl	19	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	19	12
Acetaminophen-Codeine	Acetaminophen With Codeine	18	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	18	suppressed
Fenofibrate	Fenofibrate,micronized	18	suppressed
Solifenacin Succinate	Solifenacin Succinate	18	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	18	13
Torsemide	Torsemide	18	suppressed
Hydrocortisone	Hydrocortisone	17	11
Klor-Con M20	Potassium Chloride	17	suppressed
Diclofenac Sodium	Diclofenac Sodium	16	suppressed
Methocarbamol	Methocarbamol	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	suppressed
Prednisone	Prednisone	16	suppressed
Verapamil Er	Verapamil Hcl	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Amoxicillin	Amoxicillin	15	12
Ciprofloxacin Hcl	Ciprofloxacin Hcl	15	12
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Propranolol Hcl Er	Propranolol Hcl	15	suppressed
Warfarin Sodium	Warfarin Sodium	15	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	14	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	14	suppressed
Primidone	Primidone	14	suppressed
Spiriva Respimat	Tiotropium Bromide	14	suppressed
Testosterone Cypionate	Testosterone Cypionate	14	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	14	suppressed
Ventolin Hfa	Albuterol Sulfate	14	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	14	suppressed
Cephalexin	Cephalexin	13	11
Enalapril Maleate	Enalapril Maleate	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Levofloxacin	Levofloxacin	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Novolin N	Insulin Nph Human Isophane	13	suppressed
Repatha Syringe	Evolocumab	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Bumetanide	Bumetanide	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Haloperidol	Haloperidol	12	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Rivastigmine	Rivastigmine	12	suppressed
Sotalol	Sotalol Hcl	12	suppressed
Temazepam	Temazepam	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	11	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Diltiazem Hcl	Diltiazem Hcl	11	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	11	suppressed
Flecainide Acetate	Flecainide Acetate	11	suppressed
Indomethacin	Indomethacin	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Levetiracetam	Levetiracetam	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	11	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	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