Healthcare provider profile · identity verified

Maria Opolka, DO

Family Practice · MASON, MI · NPI 1467863365

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	324	104
Levothyroxine Sodium	Levothyroxine Sodium	257	70
Lisinopril	Lisinopril	257	80
Omeprazole	Omeprazole	256	83
Amlodipine Besylate	Amlodipine Besylate	223	68
Gabapentin	Gabapentin	165	43
Losartan Potassium	Losartan Potassium	151	50
Metformin Hcl	Metformin Hcl	142	44
Potassium Chloride	Potassium Chloride	136	47
Sertraline Hcl	Sertraline Hcl	129	41
Montelukast Sodium	Montelukast Sodium	117	32
Metoprolol Succinate	Metoprolol Succinate	116	44
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	115	17
Albuterol Sulfate Hfa	Albuterol Sulfate	113	44
Furosemide	Furosemide	110	43
Eliquis	Apixaban	106	30
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	93	29
Simvastatin	Simvastatin	93	25
Prednisone	Prednisone	90	53
Hydrochlorothiazide	Hydrochlorothiazide	87	32
Duloxetine Hcl	Duloxetine Hcl	83	24
Pantoprazole Sodium	Pantoprazole Sodium	80	26
Carvedilol	Carvedilol	75	20
Meloxicam	Meloxicam	69	30
Tamsulosin Hcl	Tamsulosin Hcl	67	23
Rosuvastatin Calcium	Rosuvastatin Calcium	66	22
Pravastatin Sodium	Pravastatin Sodium	65	19
Ibuprofen	Ibuprofen	64	23
Fluticasone Propionate	Fluticasone Propionate	63	26
Alprazolam	Alprazolam	61	15
Doxycycline Hyclate	Doxycycline Hyclate	57	38
Azithromycin	Azithromycin	55	47
Fenofibrate	Fenofibrate Nanocrystallized	54	15
Metformin Hcl Er	Metformin Hcl	51	15
Cephalexin	Cephalexin	49	34
Ozempic	Semaglutide	48	16
Bumetanide	Bumetanide	47	14
Escitalopram Oxalate	Escitalopram Oxalate	47	14
Fluoxetine Hcl	Fluoxetine Hcl	47	14
Metoprolol Tartrate	Metoprolol Tartrate	47	15
Trazodone Hcl	Trazodone Hcl	45	19
Pregabalin	Pregabalin	42	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	41	28
Clonazepam	Clonazepam	41	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	41	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	40	14
Atenolol	Atenolol	39	13
Ezetimibe	Ezetimibe	39	14
Famotidine	Famotidine	39	17
Jardiance	Empagliflozin	39	11
Clopidogrel	Clopidogrel Bisulfate	38	12
Chlorthalidone	Chlorthalidone	36	11
Lorazepam	Lorazepam	35	suppressed
Ventolin Hfa	Albuterol Sulfate	33	13
Oxycodone Hcl	Oxycodone Hcl	32	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	31	31
Isosorbide Mononitrate Er	Isosorbide Mononitrate	31	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	31	suppressed
Allopurinol	Allopurinol	29	suppressed
Glimepiride	Glimepiride	28	suppressed
Glipizide Er	Glipizide	28	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	28	11
Triamcinolone Acetonide	Triamcinolone Acetonide	27	21
Bupropion Xl	Bupropion Hcl	26	suppressed
Diazepam	Diazepam	26	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	26	suppressed
Tramadol Hcl	Tramadol Hcl	26	suppressed
Fluconazole	Fluconazole	24	16
Hydralazine Hcl	Hydralazine Hcl	24	suppressed
Januvia	Sitagliptin Phosphate	24	suppressed
Tizanidine Hcl	Tizanidine Hcl	24	suppressed
Buspirone Hcl	Buspirone Hcl	23	suppressed
Mirtazapine	Mirtazapine	22	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	22	suppressed
Alendronate Sodium	Alendronate Sodium	21	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	21	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	21	15
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	20	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	20	suppressed
Risperidone	Risperidone	20	suppressed
Valacyclovir	Valacyclovir Hcl	20	suppressed
Glipizide	Glipizide	19	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	19	suppressed
Ropinirole Hcl	Ropinirole Hcl	19	suppressed
Spironolactone	Spironolactone	19	suppressed
Temazepam	Temazepam	19	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	18	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	18	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	18	suppressed
Methylprednisolone	Methylprednisolone	17	14
Ondansetron Hcl	Ondansetron Hcl	17	suppressed
Rizatriptan	Rizatriptan Benzoate	17	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	17	16
Carbamazepine	Carbamazepine	16	suppressed
Citalopram Hbr	Citalopram Hydrobromide	16	suppressed
Ondansetron Odt	Ondansetron	16	suppressed
Promethazine Hcl	Promethazine Hcl	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Diclofenac Sodium	Diclofenac Sodium	15	12
Finasteride	Finasteride	15	suppressed
Nystatin	Nystatin	15	suppressed
Eszopiclone	Eszopiclone	14	suppressed
Methocarbamol	Methocarbamol	14	11
Warfarin Sodium	Warfarin Sodium	14	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Enulose	Lactulose	13	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Propranolol Hcl	Propranolol Hcl	13	suppressed
Topiramate	Topiramate	13	suppressed
Zonisamide	Zonisamide	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	12	suppressed
Aripiprazole	Aripiprazole	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Morphine Sulfate Er	Morphine Sulfate	12	suppressed
Paroxetine Hcl	Paroxetine Hcl	12	suppressed
Rexulti	Brexpiprazole	12	suppressed
Synthroid	Levothyroxine Sodium	12	suppressed
Terazosin Hcl	Terazosin Hcl	12	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	11	suppressed
Estradiol	Estradiol	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Lidocaine	Lidocaine	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