Healthcare provider profile · identity verified

Ryan Parnell, D.O.

Hospitalist · PLAINVIEW, NY · NPI 1598170078

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
Eliquis	Apixaban	352	57
Atorvastatin Calcium	Atorvastatin Calcium	336	88
Amlodipine Besylate	Amlodipine Besylate	256	71
Gabapentin	Gabapentin	254	61
Furosemide	Furosemide	201	57
Potassium Chloride	Potassium Chloride	199	53
Levothyroxine Sodium	Levothyroxine Sodium	191	48
Tamsulosin Hcl	Tamsulosin Hcl	189	49
Losartan Potassium	Losartan Potassium	167	41
Metoprolol Tartrate	Metoprolol Tartrate	161	47
Escitalopram Oxalate	Escitalopram Oxalate	157	36
Mirtazapine	Mirtazapine	144	31
Trazodone Hcl	Trazodone Hcl	137	36
Lorazepam	Lorazepam	129	16
Alprazolam	Alprazolam	122	19
Pantoprazole Sodium	Pantoprazole Sodium	116	49
Donepezil Hcl	Donepezil Hcl	115	23
Metoprolol Succinate	Metoprolol Succinate	115	42
Metformin Hcl	Metformin Hcl	114	32
Clopidogrel	Clopidogrel Bisulfate	102	27
Oxycodone Hcl	Oxycodone Hcl	102	20
Sertraline Hcl	Sertraline Hcl	99	27
Memantine Hcl	Memantine Hcl	91	19
Simvastatin	Simvastatin	85	23
Carvedilol	Carvedilol	82	22
Buspirone Hcl	Buspirone Hcl	79	18
Torsemide	Torsemide	79	21
Hydralazine Hcl	Hydralazine Hcl	73	16
Risperidone	Risperidone	72	16
Finasteride	Finasteride	67	15
Santyl	Collagenase Clostridium Hist.	67	13
Lisinopril	Lisinopril	65	20
Levetiracetam	Levetiracetam	63	16
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	62	suppressed
Divalproex Sodium	Divalproex Sodium	62	14
Quetiapine Fumarate	Quetiapine Fumarate	58	22
Duloxetine Hcl	Duloxetine Hcl	57	18
Famotidine	Famotidine	57	20
Enalapril Maleate	Enalapril Maleate	49	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	49	17
Warfarin Sodium	Warfarin Sodium	44	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	43	22
Aptiom	Eslicarbazepine Acetate	42	suppressed
Prednisone	Prednisone	42	17
Baclofen	Baclofen	41	11
Clonazepam	Clonazepam	39	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	36	suppressed
Montelukast Sodium	Montelukast Sodium	36	13
Latanoprost	Latanoprost	35	suppressed
Lokelma	Sodium Zirconium Cyclosilicate	35	14
Carbidopa-Levodopa	Carbidopa/Levodopa	34	suppressed
Olanzapine	Olanzapine	34	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	33	suppressed
Tramadol Hcl	Tramadol Hcl	32	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	32	suppressed
Methocarbamol	Methocarbamol	31	12
Xarelto	Rivaroxaban	31	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	30	suppressed
Allopurinol	Allopurinol	29	14
Entresto	Sacubitril/Valsartan	29	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	29	11
Cephalexin	Cephalexin	26	suppressed
Ezetimibe	Ezetimibe	26	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	26	suppressed
Nifedipine Er	Nifedipine	26	suppressed
Alendronate Sodium	Alendronate Sodium	25	suppressed
Aripiprazole	Aripiprazole	25	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	25	suppressed
Humalog Kwikpen U-100	Insulin Lispro	24	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	23	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	22	suppressed
Sodium Chloride	0.9 % Sodium Chloride	22	15
Alogliptin	Alogliptin Benzoate	21	suppressed
Paroxetine Hcl	Paroxetine Hcl	21	suppressed
Retacrit	Epoetin Alfa-Epbx	21	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	20	suppressed
Midodrine Hcl	Midodrine Hcl	20	11
Azithromycin	Azithromycin	19	13
Fluoxetine Hcl	Fluoxetine Hcl	19	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	18	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	17	13
Doxazosin Mesylate	Doxazosin Mesylate	17	suppressed
Metformin Hcl Er	Metformin Hcl	17	suppressed
Mupirocin	Mupirocin	17	13
Omeprazole	Omeprazole	17	11
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	16	11
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Spironolactone	Spironolactone	16	suppressed
Admelog Solostar	Insulin Lispro	15	suppressed
Digoxin	Digoxin	15	suppressed
Labetalol Hcl	Labetalol Hcl	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Potassium Citrate Er	Potassium Citrate	15	suppressed
Silver Sulfadiazine	Silver Sulfadiazine	15	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	15	suppressed
Atenolol	Atenolol	14	suppressed
Budesonide	Budesonide	14	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	14	13
Ceftriaxone	Ceftriaxone Sodium	14	11
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	14	suppressed
Amantadine	Amantadine Hcl	13	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Bupropion Xl	Bupropion Hcl	13	suppressed
Fluticasone Propionate	Fluticasone Propionate	13	suppressed
Hydrocortisone	Hydrocortisone	13	suppressed
Jardiance	Empagliflozin	13	suppressed
Lactulose	Lactulose	13	suppressed
Metronidazole	Metronidazole	13	suppressed
Nystatin	Nystatin	13	suppressed
Tizanidine Hcl	Tizanidine Hcl	13	suppressed
Chlorthalidone	Chlorthalidone	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Nuplazid	Pimavanserin Tartrate	12	suppressed
Albuterol Sulfate	Albuterol Sulfate	11	suppressed
Enulose	Lactulose	11	suppressed
Glimepiride	Glimepiride	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Nyamyc	Nystatin	11	suppressed
Ondansetron Hcl	Ondansetron Hcl	11	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	11	suppressed
Propranolol Hcl	Propranolol Hcl	11	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	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