Healthcare provider profile · identity verified

Jonathon V Lammers, MD

Family Practice · CLIFTON SPRINGS, NY · NPI 1275525032

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	919	241
Levothyroxine Sodium	Levothyroxine Sodium	647	145
Amlodipine Besylate	Amlodipine Besylate	541	138
Lisinopril	Lisinopril	462	118
Omeprazole	Omeprazole	457	114
Losartan Potassium	Losartan Potassium	442	110
Gabapentin	Gabapentin	427	90
Metformin Hcl	Metformin Hcl	303	90
Metoprolol Succinate	Metoprolol Succinate	255	69
Simvastatin	Simvastatin	248	61
Trazodone Hcl	Trazodone Hcl	229	59
Rosuvastatin Calcium	Rosuvastatin Calcium	226	68
Pantoprazole Sodium	Pantoprazole Sodium	208	54
Albuterol Sulfate Hfa	Albuterol Sulfate	202	66
Metoprolol Tartrate	Metoprolol Tartrate	193	52
Famotidine	Famotidine	191	61
Hydrochlorothiazide	Hydrochlorothiazide	186	50
Fluticasone Propionate	Fluticasone Propionate	151	45
Alendronate Sodium	Alendronate Sodium	147	38
Duloxetine Hcl	Duloxetine Hcl	146	37
Tamsulosin Hcl	Tamsulosin Hcl	142	41
Eliquis	Apixaban	141	35
Fluoxetine Hcl	Fluoxetine Hcl	140	29
Escitalopram Oxalate	Escitalopram Oxalate	139	37
Ozempic	Semaglutide	133	19
Buspirone Hcl	Buspirone Hcl	130	26
Sertraline Hcl	Sertraline Hcl	130	30
Glimepiride	Glimepiride	128	29
Montelukast Sodium	Montelukast Sodium	123	31
Trulicity	Dulaglutide	120	13
Meloxicam	Meloxicam	118	41
Pioglitazone Hcl	Pioglitazone Hcl	117	28
Carvedilol	Carvedilol	116	32
Furosemide	Furosemide	112	27
Pravastatin Sodium	Pravastatin Sodium	108	30
Bupropion Xl	Bupropion Hcl	107	21
Donepezil Hcl	Donepezil Hcl	104	18
Irbesartan	Irbesartan	103	25
Hydroxyzine Hcl	Hydroxyzine Hcl	99	23
Torsemide	Torsemide	99	31
Prednisone	Prednisone	97	42
Spironolactone	Spironolactone	92	26
Allopurinol	Allopurinol	91	27
Jardiance	Empagliflozin	90	17
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	87	25
Warfarin Sodium	Warfarin Sodium	86	20
Clopidogrel	Clopidogrel Bisulfate	85	25
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	83	13
Tramadol Hcl	Tramadol Hcl	80	14
Mirtazapine	Mirtazapine	76	22
Atenolol	Atenolol	69	18
Terazosin Hcl	Terazosin Hcl	69	14
Zolpidem Tartrate	Zolpidem Tartrate	67	suppressed
Alprazolam	Alprazolam	66	12
Lovastatin	Lovastatin	65	20
Synthroid	Levothyroxine Sodium	64	16
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	63	18
Potassium Chloride	Potassium Chloride	62	18
Ezetimibe	Ezetimibe	60	22
Cephalexin	Cephalexin	58	51
Celecoxib	Celecoxib	57	15
Bupropion Hcl Sr	Bupropion Hcl	56	17
Glipizide	Glipizide	56	14
Xarelto	Rivaroxaban	56	15
Citalopram Hbr	Citalopram Hydrobromide	54	15
Azelastine Hcl	Azelastine Hcl	53	17
Esomeprazole Magnesium	Esomeprazole Magnesium	52	11
Amitriptyline Hcl	Amitriptyline Hcl	51	11
Finasteride	Finasteride	51	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	51	12
Pregabalin	Pregabalin	51	12
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	51	11
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	50	13
Triamcinolone Acetonide	Triamcinolone Acetonide	50	32
Metformin Hcl Er	Metformin Hcl	49	17
Venlafaxine Hcl Er	Venlafaxine Hcl	49	11
Clonazepam	Clonazepam	48	suppressed
Ibuprofen	Ibuprofen	48	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	48	13
Clonidine Hcl	Clonidine Hcl	46	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	44	13
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	44	13
Oxybutynin Chloride Er	Oxybutynin Chloride	44	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	44	38
Fenofibrate	Fenofibrate Nanocrystallized	43	suppressed
Incruse Ellipta	Umeclidinium Bromide	43	suppressed
Meclizine Hcl	Meclizine Hcl	43	22
Valacyclovir	Valacyclovir Hcl	43	13
Candesartan Cilexetil	Candesartan Cilexetil	40	suppressed
Glipizide Er	Glipizide	40	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	39	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	39	34
Breo Ellipta	Fluticasone/Vilanterol	35	suppressed
Invokana	Canagliflozin	35	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	34	suppressed
Januvia	Sitagliptin Phosphate	33	11
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	32	suppressed
Nifedipine Er	Nifedipine	32	suppressed
Ondansetron Odt	Ondansetron	32	13
Sucralfate	Sucralfate	31	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	30	suppressed
Primidone	Primidone	30	suppressed
Azithromycin	Azithromycin	29	21
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	29	suppressed
Clotrimazole	Clotrimazole	28	13
Insulin Lispro Kwikpen U-100	Insulin Lispro	28	suppressed
Propranolol Hcl	Propranolol Hcl	28	suppressed
Nystatin	Nystatin	27	suppressed
Repatha Sureclick	Evolocumab	27	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	23
Labetalol Hcl	Labetalol Hcl	26	suppressed
Hydralazine Hcl	Hydralazine Hcl	25	suppressed
Oxycodone Hcl	Oxycodone Hcl	25	suppressed
Paroxetine Hcl	Paroxetine Hcl	25	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	24	21
Nitroglycerin	Nitroglycerin	24	14
Ondansetron Hcl	Ondansetron Hcl	24	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	24	suppressed
Ropinirole Hcl	Ropinirole Hcl	24	suppressed
Gemfibrozil	Gemfibrozil	23	suppressed
Amoxicillin	Amoxicillin	21	16
Lansoprazole	Lansoprazole	21	suppressed
Levemir Flexpen	Insulin Detemir	21	suppressed
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Easy Touch Pen Needle	Pen Needle, Diabetic	20	suppressed
Valsartan	Valsartan	20	suppressed
Baclofen	Baclofen	19	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	19	suppressed
Methylprednisolone	Methylprednisolone	19	18
Paxlovid	Nirmatrelvir/Ritonavir	19	19
Verapamil Sr	Verapamil Hcl	19	suppressed
Chlorthalidone	Chlorthalidone	18	suppressed
Propranolol Hcl Er	Propranolol Hcl	18	suppressed
Risedronate Sodium	Risedronate Sodium	18	suppressed
Varenicline Tartrate	Varenicline Tartrate	18	suppressed
Farxiga	Dapagliflozin Propanediol	17	suppressed
Colchicine	Colchicine	16	suppressed
Lorazepam	Lorazepam	16	suppressed
Spiriva Handihaler	Tiotropium Bromide	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	15	suppressed
Myrbetriq	Mirabegron	15	suppressed
Ramipril	Ramipril	15	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Codeine Sulfate	Codeine Sulfate	14	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	14	suppressed
Solifenacin Succinate	Solifenacin Succinate	14	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	13	suppressed
Aripiprazole	Aripiprazole	13	suppressed
Arnuity Ellipta	Fluticasone Furoate	13	suppressed
Desmopressin Acetate	Desmopressin Acetate	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Doxepin Hcl	Doxepin Hcl	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	12
Phenobarbital	Phenobarbital	13	suppressed
Temazepam	Temazepam	13	suppressed
Topiramate	Topiramate	13	suppressed
Adderall	Dextroamphetamine/Amphetamine	12	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	12	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	12	suppressed
Felodipine Er	Felodipine	12	suppressed
Fosinopril Sodium	Fosinopril Sodium	12	suppressed
Ibu	Ibuprofen	12	suppressed
Morphine Sulfate Er	Morphine Sulfate	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Orphenadrine Citrate Er	Orphenadrine Citrate	12	suppressed
Oxcarbazepine	Oxcarbazepine	12	suppressed
Repatha Syringe	Evolocumab	12	suppressed
Tadalafil	Tadalafil	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Vilazodone Hcl	Vilazodone Hcl	12	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Fenofibrate	Fenofibrate,micronized	11	suppressed
Loperamide	Loperamide Hcl	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	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