Healthcare provider profile · identity verified

Margretta E Gennantonio, MD

Geriatric Medicine · CINCINNATI, OH · NPI 1295735884

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	1110	170
Eliquis	Apixaban	632	89
Furosemide	Furosemide	627	102
Levothyroxine Sodium	Levothyroxine Sodium	608	89
Sertraline Hcl	Sertraline Hcl	542	86
Gabapentin	Gabapentin	526	78
Potassium Chloride	Potassium Chloride	496	83
Trazodone Hcl	Trazodone Hcl	483	62
Pantoprazole Sodium	Pantoprazole Sodium	467	76
Amlodipine Besylate	Amlodipine Besylate	411	72
Mirtazapine	Mirtazapine	393	68
Metoprolol Tartrate	Metoprolol Tartrate	363	65
Donepezil Hcl	Donepezil Hcl	335	53
Lisinopril	Lisinopril	322	44
Metoprolol Succinate	Metoprolol Succinate	315	48
Omeprazole	Omeprazole	310	66
Tamsulosin Hcl	Tamsulosin Hcl	301	45
Duloxetine Hcl	Duloxetine Hcl	300	43
Metformin Hcl	Metformin Hcl	287	42
Divalproex Sodium	Divalproex Sodium	269	41
Ondansetron Hcl	Ondansetron Hcl	252	89
Carvedilol	Carvedilol	238	38
Memantine Hcl	Memantine Hcl	210	35
Oxycodone Hcl	Oxycodone Hcl	196	31
Losartan Potassium	Losartan Potassium	189	38
Levetiracetam	Levetiracetam	188	30
Torsemide	Torsemide	179	33
Famotidine	Famotidine	178	37
Buspirone Hcl	Buspirone Hcl	168	31
Hydralazine Hcl	Hydralazine Hcl	165	29
Tramadol Hcl	Tramadol Hcl	160	24
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	159	19
Lorazepam	Lorazepam	158	41
Clopidogrel	Clopidogrel Bisulfate	156	25
Nifedipine Er	Nifedipine	156	23
Midodrine Hcl	Midodrine Hcl	154	32
Citalopram Hbr	Citalopram Hydrobromide	147	22
Tizanidine Hcl	Tizanidine Hcl	146	22
Doxycycline Hyclate	Doxycycline Hyclate	141	78
Methocarbamol	Methocarbamol	138	40
Baclofen	Baclofen	133	21
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	132	18
Clonazepam	Clonazepam	131	17
Escitalopram Oxalate	Escitalopram Oxalate	129	28
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	126	22
Warfarin Sodium	Warfarin Sodium	126	suppressed
Prednisone	Prednisone	124	31
Quetiapine Fumarate	Quetiapine Fumarate	120	32
Ropinirole Hcl	Ropinirole Hcl	117	16
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	107	43
Spironolactone	Spironolactone	106	23
Venlafaxine Hcl Er	Venlafaxine Hcl	96	14
Fluticasone Propionate	Fluticasone Propionate	94	41
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	94	31
Fenofibrate	Fenofibrate Nanocrystallized	93	11
Latanoprost	Latanoprost	92	26
Pregabalin	Pregabalin	91	13
Xarelto	Rivaroxaban	91	13
Allopurinol	Allopurinol	89	17
Lamotrigine	Lamotrigine	88	11
Albuterol Sulfate Hfa	Albuterol Sulfate	87	35
Montelukast Sodium	Montelukast Sodium	87	17
Januvia	Sitagliptin Phosphate	85	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	83	40
Risperidone	Risperidone	83	16
Oxybutynin Chloride	Oxybutynin Chloride	82	suppressed
Levofloxacin	Levofloxacin	81	43
Myrbetriq	Mirabegron	79	12
Amiodarone Hcl	Amiodarone Hcl	78	17
Olanzapine	Olanzapine	74	11
Alprazolam	Alprazolam	72	13
Sevelamer Carbonate	Sevelamer Carbonate	72	17
Simvastatin	Simvastatin	72	15
Hydroxyzine Hcl	Hydroxyzine Hcl	71	29
Carbidopa-Levodopa	Carbidopa/Levodopa	70	16
Pravastatin Sodium	Pravastatin Sodium	70	15
Cephalexin	Cephalexin	69	37
Isosorbide Mononitrate Er	Isosorbide Mononitrate	69	12
Lantus	Insulin Glargine,hum.Rec.Anlog	66	15
Nortriptyline Hcl	Nortriptyline Hcl	64	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	63	12
Galantamine Hbr	Galantamine Hbr	61	15
Albuterol Sulfate	Albuterol Sulfate	59	21
Azithromycin	Azithromycin	59	24
Fluoxetine Hcl	Fluoxetine Hcl	58	suppressed
Scopolamine	Scopolamine	58	suppressed
Entresto	Sacubitril/Valsartan	56	12
Finasteride	Finasteride	56	12
Lactulose	Lactulose	56	12
Esomeprazole Magnesium	Esomeprazole Magnesium	55	suppressed
Fluconazole	Fluconazole	55	34
Lidocaine	Lidocaine	55	suppressed
Lacosamide	Lacosamide	54	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	54	33
Oxybutynin Chloride Er	Oxybutynin Chloride	53	14
Bupropion Xl	Bupropion Hcl	52	11
Vancomycin Hcl	Vancomycin Hcl	52	11
Sucralfate	Sucralfate	51	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	50	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	49	11
Linzess	Linaclotide	49	suppressed
Nystatin	Nystatin	49	34
Alendronate Sodium	Alendronate Sodium	48	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	46	29
Metoclopramide Hcl	Metoclopramide Hcl	46	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	45	suppressed
Metolazone	Metolazone	45	suppressed
Nitroglycerin	Nitroglycerin	45	18
Sodium Bicarbonate	Sodium Bicarbonate	45	suppressed
Clonidine Hcl	Clonidine Hcl	44	11
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	44	suppressed
Aripiprazole	Aripiprazole	43	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	43	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	43	17
Fiasp Flextouch	Insulin Aspart (Niacinamide)	40	12
Gemtesa	Vibegron	40	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	39	12
Promethazine Hcl	Promethazine Hcl	39	12
Hydrocortisone	Hydrocortisone	38	16
Celecoxib	Celecoxib	37	suppressed
Novolog Flexpen	Insulin Aspart	37	18
Ozempic	Semaglutide	37	suppressed
Farxiga	Dapagliflozin Propanediol	36	11
Jardiance	Empagliflozin	36	suppressed
Paroxetine Hcl	Paroxetine Hcl	36	suppressed
Arnuity Ellipta	Fluticasone Furoate	35	suppressed
Glipizide	Glipizide	35	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	35	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	35	25
Valsartan	Valsartan	35	suppressed
Bupropion Hcl Sr	Bupropion Hcl	34	suppressed
Cefdinir	Cefdinir	34	24
Diclofenac Sodium	Diclofenac Sodium	34	18
Ezetimibe	Ezetimibe	34	suppressed
Nystop	Nystatin	34	16
Carbamazepine	Carbamazepine	33	suppressed
Cefepime Hcl	Cefepime Hcl	33	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	33	suppressed
Fenofibrate	Fenofibrate,micronized	33	suppressed
Humalog	Insulin Lispro	33	suppressed
Metformin Hcl Er	Metformin Hcl	32	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	31	13
Amoxicillin	Amoxicillin	30	18
Atenolol	Atenolol	30	suppressed
Fentanyl	Fentanyl	30	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	30	suppressed
Ertapenem	Ertapenem Sodium	29	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	29	suppressed
Ondansetron Odt	Ondansetron	29	13
Digoxin	Digoxin	28	suppressed
Anastrozole	Anastrozole	27	suppressed
Insulin Aspart Flexpen	Insulin Aspart	27	15
Renacidin	Citric Ac/Gluconolact/Mag Carb	27	suppressed
Colestipol Hcl	Colestipol Hcl	26	suppressed
Humalog Kwikpen U-100	Insulin Lispro	26	12
Oxycontin	Oxycodone Hcl	25	suppressed
Vraylar	Cariprazine Hcl	25	suppressed
Lansoprazole	Lansoprazole	24	suppressed
Methylprednisolone	Methylprednisolone	24	13
Terazosin Hcl	Terazosin Hcl	24	suppressed
Tresiba Flextouch U-100	Insulin Degludec	24	suppressed
Febuxostat	Febuxostat	23	suppressed
Mirabegron Er	Mirabegron	23	suppressed
Nystatin-Triamcinolone	Nystatin/Triamcinolone Acet	23	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	23	suppressed
Trintellix	Vortioxetine Hydrobromide	23	suppressed
Calcium Acetate	Calcium Acetate	22	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	22	13
Haloperidol	Haloperidol	22	suppressed
Meloxicam	Meloxicam	22	suppressed
Meropenem	Meropenem	22	suppressed
Mupirocin	Mupirocin	22	12
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	22	suppressed
Prednisolone Acetate	Prednisolone Acetate	22	suppressed
Timolol Maleate	Timolol Maleate	22	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	21	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	21	suppressed
Diltiazem Hcl	Diltiazem Hcl	21	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	21	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Orphenadrine Citrate Er	Orphenadrine Citrate	21	suppressed
Entecavir	Entecavir	20	suppressed
Gvoke Hypopen 1-Pack	Glucagon	20	suppressed
Incruse Ellipta	Umeclidinium Bromide	20	suppressed
Lithium Carbonate	Lithium Carbonate	20	suppressed
Novolin N Flexpen	Insulin Nph Human Isophane	20	suppressed
Sodium Chloride	0.9 % Sodium Chloride	20	suppressed
Benztropine Mesylate	Benztropine Mesylate	19	suppressed
Carbamazepine Er	Carbamazepine	19	suppressed
Cefuroxime	Cefuroxime Axetil	19	12
Colchicine	Colchicine	19	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	19	suppressed
Velphoro	Sucroferric Oxyhydroxide	19	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	18	11
Meclizine Hcl	Meclizine Hcl	18	suppressed
Nuedexta	Dextromethorphan Hbr/Quinidine	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Ssd	Silver Sulfadiazine	18	suppressed
Trulicity	Dulaglutide	18	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	18	suppressed
Ventolin Hfa	Albuterol Sulfate	18	suppressed
Divalproex Sodium Er	Divalproex Sodium	17	suppressed
Galantamine Er	Galantamine Hbr	17	suppressed
Metformin Er Gastric	Metformin Hcl	17	suppressed
Mitigare	Colchicine	17	suppressed
Piperacillin-Tazobactam	Piperacillin Sodium/Tazobactam	17	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	16	suppressed
Ceftriaxone	Ceftriaxone Sodium	16	suppressed
Doxepin Hcl	Doxepin Hcl	16	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	16	suppressed
Ondansetron Hcl	Ondansetron Hcl/Pf	16	12
Rivastigmine	Rivastigmine Tartrate	16	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	16	suppressed
Xifaxan	Rifaximin	16	suppressed
Admelog Solostar	Insulin Lispro	15	suppressed
Nebivolol Hcl	Nebivolol Hcl	15	suppressed
Ofloxacin	Ofloxacin	15	suppressed
Raloxifene Hcl	Raloxifene Hcl	15	suppressed
Rexulti	Brexpiprazole	15	suppressed
Budesonide	Budesonide	14	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	14	suppressed
Lidocaine Hcl	Lidocaine Hcl	14	12
Lovastatin	Lovastatin	14	suppressed
Novolog	Insulin Aspart	14	suppressed
Ranolazine Er	Ranolazine	14	suppressed
Tobramycin	Tobramycin	14	13
Tradjenta	Linagliptin	14	suppressed
Azelastine Hcl	Azelastine Hcl	13	suppressed
Clonidine	Clonidine	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Donepezil Hcl Odt	Donepezil Hcl	13	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	13	suppressed
Metronidazole	Metronidazole	13	suppressed
Mycophenolate Mofetil	Mycophenolate Mofetil	13	suppressed
Rytary	Carbidopa/Levodopa	13	suppressed
Sevelamer Hcl	Sevelamer Hcl	13	suppressed
Theophylline Er	Theophylline Anhydrous	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Vascepa	Icosapent Ethyl	13	suppressed
Amantadine	Amantadine Hcl	12	suppressed
Bupropion Hcl	Bupropion Hcl	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Ipratropium Bromide	Ipratropium Bromide	12	suppressed
Letrozole	Letrozole	12	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	12	suppressed
Prazosin Hcl	Prazosin Hcl	12	suppressed
Spiriva Respimat	Tiotropium Bromide	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Atropine Sulfate	Atropine Sulfate	11	suppressed
Calcipotriene	Calcipotriene	11	suppressed
Cilostazol	Cilostazol	11	suppressed
Clindamycin Hcl	Clindamycin Hcl	11	suppressed
Cyclosporine Modified	Cyclosporine, Modified	11	suppressed
Dapagliflozin	Dapagliflozin Propanediol	11	suppressed
Dexlansoprazole Dr	Dexlansoprazole	11	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	11	suppressed
Glipizide Er	Glipizide	11	suppressed
Insulin Lispro	Insulin Lispro	11	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Lidocaine-Prilocaine	Lidocaine/Prilocaine	11	suppressed
Morphine Sulfate	Morphine Sulfate	11	11
Paxlovid	Nirmatrelvir/Ritonavir	11	11
Propranolol Hcl	Propranolol Hcl	11	suppressed
Rivastigmine	Rivastigmine	11	suppressed
Simbrinza	Brinzolamide/Brimonidine Tart	11	suppressed
Temazepam	Temazepam	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