Healthcare provider profile · identity verified

Constantine Zariphes, MD

Internal Medicine · MANCHESTER, CT · NPI 1992788970

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
Trazodone Hcl	Trazodone Hcl	1571	85
Atorvastatin Calcium	Atorvastatin Calcium	1546	178
Levothyroxine Sodium	Levothyroxine Sodium	1061	83
Gabapentin	Gabapentin	960	50
Lisinopril	Lisinopril	890	93
Eliquis	Apixaban	843	53
Mirtazapine	Mirtazapine	834	42
Furosemide	Furosemide	826	62
Amlodipine Besylate	Amlodipine Besylate	786	80
Sertraline Hcl	Sertraline Hcl	767	52
Metoprolol Succinate	Metoprolol Succinate	725	56
Pantoprazole Sodium	Pantoprazole Sodium	614	40
Metoprolol Tartrate	Metoprolol Tartrate	582	38
Metformin Hcl	Metformin Hcl	537	66
Potassium Chloride	Potassium Chloride	536	41
Escitalopram Oxalate	Escitalopram Oxalate	533	32
Quetiapine Fumarate	Quetiapine Fumarate	472	25
Tamsulosin Hcl	Tamsulosin Hcl	463	46
Memantine Hcl	Memantine Hcl	429	18
Bupropion Xl	Bupropion Hcl	374	22
Venlafaxine Hcl Er	Venlafaxine Hcl	358	13
Omeprazole	Omeprazole	343	42
Buspirone Hcl	Buspirone Hcl	333	suppressed
Duloxetine Hcl	Duloxetine Hcl	293	23
Divalproex Sodium	Divalproex Sodium	270	17
Donepezil Hcl	Donepezil Hcl	267	18
Hydrochlorothiazide	Hydrochlorothiazide	265	36
Atenolol	Atenolol	257	18
Pravastatin Sodium	Pravastatin Sodium	243	21
Olanzapine	Olanzapine	228	suppressed
Losartan Potassium	Losartan Potassium	223	31
Lamotrigine	Lamotrigine	222	suppressed
Simvastatin	Simvastatin	218	27
Risperidone	Risperidone	216	12
Levetiracetam	Levetiracetam	214	suppressed
Allopurinol	Allopurinol	204	22
Prednisone	Prednisone	198	23
Rosuvastatin Calcium	Rosuvastatin Calcium	191	25
Alprazolam	Alprazolam	188	41
Fluoxetine Hcl	Fluoxetine Hcl	178	18
Ezetimibe	Ezetimibe	173	24
Famotidine	Famotidine	172	15
Rivastigmine	Rivastigmine Tartrate	169	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	166	13
Finasteride	Finasteride	160	15
Clopidogrel	Clopidogrel Bisulfate	159	14
Montelukast Sodium	Montelukast Sodium	145	13
Aripiprazole	Aripiprazole	140	suppressed
Torsemide	Torsemide	135	suppressed
Metformin Hcl Er	Metformin Hcl	133	12
Baclofen	Baclofen	132	suppressed
Digoxin	Digoxin	130	suppressed
Primidone	Primidone	130	suppressed
Carvedilol	Carvedilol	127	13
Myrbetriq	Mirabegron	126	suppressed
Xarelto	Rivaroxaban	126	suppressed
Gemtesa	Vibegron	111	suppressed
Midodrine Hcl	Midodrine Hcl	104	12
Propranolol Hcl	Propranolol Hcl	104	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	103	14
Bupropion Hcl	Bupropion Hcl	101	suppressed
Spironolactone	Spironolactone	101	14
Jardiance	Empagliflozin	94	suppressed
Tizanidine Hcl	Tizanidine Hcl	94	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	92	suppressed
Memantine Hcl Er	Memantine Hcl	88	suppressed
Paroxetine Hcl	Paroxetine Hcl	86	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	85	suppressed
Meloxicam	Meloxicam	85	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	85	suppressed
Oxycodone Hcl	Oxycodone Hcl	81	22
Citalopram Hbr	Citalopram Hydrobromide	77	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	76	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	75	suppressed
Methocarbamol	Methocarbamol	75	suppressed
Irbesartan	Irbesartan	74	20
Azithromycin	Azithromycin	72	27
Isosorbide Mononitrate Er	Isosorbide Mononitrate	68	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	63	suppressed
Fluticasone Propionate	Fluticasone Propionate	63	27
Enalapril Maleate	Enalapril Maleate	62	suppressed
Methenamine Hippurate	Methenamine Hippurate	60	suppressed
Silodosin	Silodosin	58	suppressed
Theophylline Er	Theophylline Anhydrous	58	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	54	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	53	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	53	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	51	suppressed
Ozempic	Semaglutide	51	suppressed
Tradjenta	Linagliptin	50	suppressed
Hydralazine Hcl	Hydralazine Hcl	49	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	48	23
Alendronate Sodium	Alendronate Sodium	48	12
Fenofibrate	Fenofibrate	48	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	48	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	47	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	47	suppressed
Amiodarone Hcl	Amiodarone Hcl	46	suppressed
Ondansetron Hcl	Ondansetron Hcl	46	21
Tramadol Hcl	Tramadol Hcl	46	11
Dicyclomine Hcl	Dicyclomine Hcl	45	suppressed
Topiramate	Topiramate	45	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	44	suppressed
Ropinirole Hcl	Ropinirole Hcl	44	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	43	13
Lactulose	Lactulose	42	suppressed
Januvia	Sitagliptin Phosphate	41	12
Phenytoin Sodium Extended	Phenytoin Sodium Extended	41	suppressed
Synthroid	Levothyroxine Sodium	41	suppressed
Nifedipine Er	Nifedipine	40	suppressed
Trintellix	Vortioxetine Hydrobromide	40	suppressed
Zonisamide	Zonisamide	40	suppressed
Divalproex Sodium Er	Divalproex Sodium	38	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	38	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	38	suppressed
Nuplazid	Pimavanserin Tartrate	38	suppressed
Desmopressin Acetate	Desmopressin Acetate	37	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	37	suppressed
Amantadine	Amantadine Hcl	34	suppressed
Clonazepam	Clonazepam	34	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	34	suppressed
Propranolol Hcl Er	Propranolol Hcl	32	suppressed
Rytary	Carbidopa/Levodopa	32	suppressed
Glipizide Er	Glipizide	31	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	31	suppressed
Lorazepam	Lorazepam	31	suppressed
Ranolazine Er	Ranolazine	31	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	31	11
Valproic Acid	Valproic Acid (As Sodium Salt)	31	suppressed
Latanoprost	Latanoprost	30	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	29	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	29	suppressed
Humalog Kwikpen U-100	Insulin Lispro	28	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	27	suppressed
Diclofenac Sodium	Diclofenac Sodium	27	13
Doxycycline Hyclate	Doxycycline Hyclate	27	20
Ibuprofen	Ibuprofen	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	21
Breo Ellipta	Fluticasone/Vilanterol	26	suppressed
Doxepin Hcl	Doxepin Hcl	26	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	26	suppressed
Glycopyrrolate	Glycopyrrolate	25	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	25	suppressed
Lidocaine	Lidocaine	25	suppressed
Farxiga	Dapagliflozin Propanediol	24	suppressed
Methadone Hcl	Methadone Hcl	24	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	22	suppressed
Glimepiride	Glimepiride	22	suppressed
Oxycontin	Oxycodone Hcl	22	suppressed
Rybelsus	Semaglutide	22	suppressed
Meclizine Hcl	Meclizine Hcl	21	suppressed
Rexulti	Brexpiprazole	21	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Olanzapine Odt	Olanzapine	20	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	20	suppressed
Tresiba Flextouch U-100	Insulin Degludec	19	suppressed
Dutasteride	Dutasteride	18	suppressed
Glipizide	Glipizide	18	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	18	suppressed
Mirabegron Er	Mirabegron	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Timolol Maleate	Timolol Maleate	18	suppressed
Valsartan	Valsartan	18	suppressed
Azelastine Hcl	Azelastine Hcl	17	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	17	suppressed
Acetic Acid	Acetic Acid	16	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	16	suppressed
Carbamazepine	Carbamazepine	16	suppressed
Clonidine Hcl	Clonidine Hcl	16	suppressed
Dexlansoprazole Dr	Dexlansoprazole	16	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	16	suppressed
Insulin Lispro	Insulin Lispro	16	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	16	suppressed
Temazepam	Temazepam	16	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	16	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	16	suppressed
Amoxicillin	Amoxicillin	15	suppressed
Dofetilide	Dofetilide	15	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	15	suppressed
Lubiprostone	Lubiprostone	15	suppressed
Scopolamine	Scopolamine	15	suppressed
Water	Water For Irrigation,sterile	15	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Ipratropium Bromide	Ipratropium Bromide	13	suppressed
Motegrity	Prucalopride Succinate	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	12
Rivastigmine	Rivastigmine	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Halobetasol Propionate	Halobetasol Propionate	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	12	suppressed
Zolmitriptan	Zolmitriptan	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