Healthcare provider profile · identity verified

Mark A Passerman, DO

Family Practice · DWIGHT, IL · NPI 1851404313

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	579	159
Lisinopril	Lisinopril	421	124
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	367	59
Omeprazole	Omeprazole	327	85
Albuterol Sulfate Hfa	Albuterol Sulfate	325	102
Amlodipine Besylate	Amlodipine Besylate	306	83
Levothyroxine Sodium	Levothyroxine Sodium	285	71
Meloxicam	Meloxicam	246	66
Gabapentin	Gabapentin	244	51
Furosemide	Furosemide	214	50
Losartan Potassium	Losartan Potassium	210	54
Metoprolol Succinate	Metoprolol Succinate	200	58
Montelukast Sodium	Montelukast Sodium	195	50
Tramadol Hcl	Tramadol Hcl	187	46
Alprazolam	Alprazolam	182	31
Metformin Hcl	Metformin Hcl	175	48
Simvastatin	Simvastatin	159	47
Potassium Chloride	Potassium Chloride	155	33
Clonazepam	Clonazepam	149	22
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	144	46
Lorazepam	Lorazepam	144	28
Escitalopram Oxalate	Escitalopram Oxalate	140	40
Allopurinol	Allopurinol	139	35
Eliquis	Apixaban	132	20
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	111	30
Tamsulosin Hcl	Tamsulosin Hcl	108	34
Alendronate Sodium	Alendronate Sodium	102	27
Fluticasone Propionate	Fluticasone Propionate	102	35
Sertraline Hcl	Sertraline Hcl	102	31
Pantoprazole Sodium	Pantoprazole Sodium	101	30
Methylprednisolone	Methylprednisolone	95	75
Pravastatin Sodium	Pravastatin Sodium	95	24
Hydrochlorothiazide	Hydrochlorothiazide	94	28
Bupropion Xl	Bupropion Hcl	90	26
Trazodone Hcl	Trazodone Hcl	90	26
Pregabalin	Pregabalin	83	15
Lovastatin	Lovastatin	82	19
Citalopram Hbr	Citalopram Hydrobromide	80	18
Clopidogrel	Clopidogrel Bisulfate	80	18
Glipizide Er	Glipizide	80	24
Duloxetine Hcl	Duloxetine Hcl	78	22
Celecoxib	Celecoxib	74	18
Amoxicillin	Amoxicillin	73	65
Hydroxyzine Hcl	Hydroxyzine Hcl	70	20
Ropinirole Hcl	Ropinirole Hcl	61	suppressed
Famotidine	Famotidine	58	11
Ozempic	Semaglutide	56	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	55	14
Ibuprofen	Ibuprofen	55	22
Trulicity	Dulaglutide	55	11
Zolpidem Tartrate	Zolpidem Tartrate	55	16
Metoprolol Tartrate	Metoprolol Tartrate	53	19
Tizanidine Hcl	Tizanidine Hcl	53	suppressed
Carvedilol	Carvedilol	52	16
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	50	39
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	50	12
Farxiga	Dapagliflozin Propanediol	49	14
Prednisone	Prednisone	48	39
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	48	37
Azithromycin	Azithromycin	45	43
Diazepam	Diazepam	45	11
Fenofibrate	Fenofibrate	45	11
Metformin Hcl Er	Metformin Hcl	43	12
Mirtazapine	Mirtazapine	43	15
Warfarin Sodium	Warfarin Sodium	41	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	40	13
Dicyclomine Hcl	Dicyclomine Hcl	39	suppressed
Atenolol	Atenolol	37	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	37	12
Myrbetriq	Mirabegron	36	suppressed
Spironolactone	Spironolactone	36	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	36	suppressed
Paroxetine Hcl	Paroxetine Hcl	34	suppressed
Propranolol Hcl Er	Propranolol Hcl	34	suppressed
Buspirone Hcl	Buspirone Hcl	33	suppressed
Naproxen	Naproxen	33	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	32	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	32	suppressed
Symbicort	Budesonide/Formoterol Fumarate	32	suppressed
Breo Ellipta	Fluticasone/Vilanterol	31	suppressed
Glipizide	Glipizide	31	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	31	suppressed
Xarelto	Rivaroxaban	31	suppressed
Morphine Sulfate Er	Morphine Sulfate	30	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	30	16
Rybelsus	Semaglutide	30	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	29	suppressed
Estradiol	Estradiol	29	suppressed
Diclofenac Sodium	Diclofenac Sodium	28	suppressed
Ondansetron Odt	Ondansetron	28	18
Diclofenac Potassium	Diclofenac Potassium	27	suppressed
Levofloxacin	Levofloxacin	27	24
Meclizine Hcl	Meclizine Hcl	27	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	27	suppressed
Solifenacin Succinate	Solifenacin Succinate	27	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	23
Aripiprazole	Aripiprazole	25	suppressed
Cephalexin	Cephalexin	25	13
Donepezil Hcl	Donepezil Hcl	25	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	25	suppressed
Ezetimibe	Ezetimibe	24	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	24	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	24	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	23	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	22	19
Klor-Con M20	Potassium Chloride	22	suppressed
Baclofen	Baclofen	21	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	21	20
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	21	suppressed
Doxepin Hcl	Doxepin Hcl	20	suppressed
Finasteride	Finasteride	20	suppressed
Incruse Ellipta	Umeclidinium Bromide	20	suppressed
Risperidone	Risperidone	20	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	19	suppressed
Diltiazem Hcl	Diltiazem Hcl	19	suppressed
Jardiance	Empagliflozin	19	suppressed
Neomycin-Polymyxin-Hc	Neomycin/Polymyxin B/Hydrocort	19	16
Torsemide	Torsemide	19	suppressed
Ketoconazole	Ketoconazole	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Clindamycin Hcl	Clindamycin Hcl	16	11
Loperamide	Loperamide Hcl	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Ondansetron Hcl	Ondansetron Hcl	16	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	16	16
Phenytoin Sodium Extended	Phenytoin Sodium Extended	16	suppressed
Sucralfate	Sucralfate	16	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Calcitriol	Calcitriol	15	suppressed
Carbamazepine	Carbamazepine	15	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	15	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	15	suppressed
Fluconazole	Fluconazole	15	11
Nystatin	Nystatin	15	11
Digoxin	Digoxin	14	suppressed
Oxycodone Hcl	Oxycodone Hcl	14	suppressed
Ventolin Hfa	Albuterol Sulfate	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	13	11
Carisoprodol	Carisoprodol	13	suppressed
Enalapril Maleate	Enalapril Maleate	13	suppressed
Ipratropium Bromide	Ipratropium Bromide	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Spiriva Handihaler	Tiotropium Bromide	13	suppressed
Tresiba Flextouch U-100	Insulin Degludec	13	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	12	suppressed
Chlorthalidone	Chlorthalidone	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Dulera	Mometasone/Formoterol	12	suppressed
Nuedexta	Dextromethorphan Hbr/Quinidine	12	suppressed
Oxycontin	Oxycodone Hcl	12	suppressed
Primidone	Primidone	12	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	12	suppressed
Divalproex Sodium Er	Divalproex Sodium	11	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	11	suppressed
Mometasone Furoate	Mometasone Furoate	11	suppressed
Nifedipine Er	Nifedipine	11	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	11	suppressed
Sildenafil Citrate	Sildenafil Citrate	11	suppressed
Tradjenta	Linagliptin	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