Healthcare provider profile · identity verified

Roman T Pyasta, MD

Internal Medicine · WAUKESHA, WI · NPI 1487607115

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	574	161
Amlodipine Besylate	Amlodipine Besylate	452	117
Rosuvastatin Calcium	Rosuvastatin Calcium	440	118
Levothyroxine Sodium	Levothyroxine Sodium	400	93
Losartan Potassium	Losartan Potassium	378	102
Metoprolol Succinate	Metoprolol Succinate	360	94
Gabapentin	Gabapentin	276	67
Pantoprazole Sodium	Pantoprazole Sodium	270	76
Omeprazole	Omeprazole	244	67
Tamsulosin Hcl	Tamsulosin Hcl	242	61
Hydrochlorothiazide	Hydrochlorothiazide	215	63
Lisinopril	Lisinopril	204	58
Metformin Hcl Er	Metformin Hcl	204	56
Simvastatin	Simvastatin	185	44
Albuterol Sulfate Hfa	Albuterol Sulfate	171	61
Allopurinol	Allopurinol	158	47
Clopidogrel	Clopidogrel Bisulfate	146	34
Tramadol Hcl	Tramadol Hcl	134	22
Irbesartan	Irbesartan	132	33
Tizanidine Hcl	Tizanidine Hcl	126	42
Trazodone Hcl	Trazodone Hcl	125	28
Fluticasone Propionate	Fluticasone Propionate	124	39
Sertraline Hcl	Sertraline Hcl	121	26
Valsartan	Valsartan	120	29
Furosemide	Furosemide	119	40
Zolpidem Tartrate	Zolpidem Tartrate	112	23
Alprazolam	Alprazolam	109	25
Metoprolol Tartrate	Metoprolol Tartrate	104	25
Pravastatin Sodium	Pravastatin Sodium	100	22
Potassium Chloride	Potassium Chloride	94	26
Carvedilol	Carvedilol	79	22
Metformin Hcl	Metformin Hcl	78	24
Ozempic	Semaglutide	77	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	76	11
Esomeprazole Magnesium	Esomeprazole Magnesium	74	18
Duloxetine Hcl	Duloxetine Hcl	72	13
Januvia	Sitagliptin Phosphate	72	15
Lorazepam	Lorazepam	70	16
Eliquis	Apixaban	67	18
Glipizide Er	Glipizide	64	15
Warfarin Sodium	Warfarin Sodium	64	18
Pregabalin	Pregabalin	60	13
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	59	15
Escitalopram Oxalate	Escitalopram Oxalate	56	18
Donepezil Hcl	Donepezil Hcl	55	14
Fenofibrate	Fenofibrate	54	15
Fluoxetine Hcl	Fluoxetine Hcl	53	16
Cefuroxime	Cefuroxime Axetil	51	48
Mirtazapine	Mirtazapine	51	16
Spironolactone	Spironolactone	51	12
Glipizide	Glipizide	50	14
Famotidine	Famotidine	49	14
Atenolol	Atenolol	48	14
Montelukast Sodium	Montelukast Sodium	44	14
Ezetimibe	Ezetimibe	39	11
Finasteride	Finasteride	39	11
Clonazepam	Clonazepam	38	suppressed
Meloxicam	Meloxicam	37	17
Azithromycin	Azithromycin	36	30
Diclofenac Sodium	Diclofenac Sodium	36	suppressed
Buspirone Hcl	Buspirone Hcl	35	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	34	suppressed
Paroxetine Hcl	Paroxetine Hcl	34	suppressed
Clonidine Hcl	Clonidine Hcl	33	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	32	suppressed
Ventolin Hfa	Albuterol Sulfate	32	suppressed
Cephalexin	Cephalexin	31	26
Triamcinolone Acetonide	Triamcinolone Acetonide	31	15
Celecoxib	Celecoxib	30	12
Memantine Hcl	Memantine Hcl	30	suppressed
Glimepiride	Glimepiride	29	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	29	suppressed
Trulicity	Dulaglutide	29	suppressed
Alendronate Sodium	Alendronate Sodium	28	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	28	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	28	25
Nebivolol Hcl	Nebivolol Hcl	28	suppressed
Benazepril Hcl	Benazepril Hcl	27	suppressed
Folic Acid	Folic Acid	27	suppressed
Mounjaro	Tirzepatide	27	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	26	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	26	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	26	suppressed
Bupropion Xl	Bupropion Hcl	25	suppressed
Clotrimazole	Clotrimazole	25	suppressed
Hydralazine Hcl	Hydralazine Hcl	25	suppressed
Nifedipine Er	Nifedipine	24	suppressed
Nitroglycerin	Nitroglycerin	24	12
Venlafaxine Hcl Er	Venlafaxine Hcl	24	suppressed
Chlorthalidone	Chlorthalidone	23	suppressed
Ondansetron Odt	Ondansetron	23	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	22	suppressed
Labetalol Hcl	Labetalol Hcl	22	suppressed
Propranolol Hcl	Propranolol Hcl	22	suppressed
Azelastine Hcl	Azelastine Hcl	21	11
Citalopram Hbr	Citalopram Hydrobromide	21	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	21	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Temazepam	Temazepam	20	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	20	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	17	suppressed
Febuxostat	Febuxostat	17	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Diazepam	Diazepam	15	suppressed
Ipratropium Bromide	Ipratropium Bromide	15	suppressed
Jardiance	Empagliflozin	15	suppressed
Symbicort	Budesonide/Formoterol Fumarate	15	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Verapamil Er	Verapamil Hcl	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Nystatin	Nystatin	13	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Cyclosporine	Cyclosporine	12	suppressed
Dutasteride	Dutasteride	12	suppressed
Euthyrox	Levothyroxine Sodium	12	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Rizatriptan	Rizatriptan Benzoate	12	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	11	suppressed
Procto-Med Hc	Hydrocortisone	11	suppressed
Restasis	Cyclosporine	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