Healthcare provider profile · identity verified

Lorrie Penfield, M.D.

Internal Medicine · ELMIRA, NY · NPI 1477563781

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	480	129
Levothyroxine Sodium	Levothyroxine Sodium	317	60
Gabapentin	Gabapentin	296	81
Omeprazole	Omeprazole	287	70
Amlodipine Besylate	Amlodipine Besylate	246	62
Montelukast Sodium	Montelukast Sodium	208	59
Metoprolol Succinate	Metoprolol Succinate	199	50
Lisinopril	Lisinopril	183	46
Losartan Potassium	Losartan Potassium	177	45
Famotidine	Famotidine	173	53
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	165	30
Albuterol Sulfate Hfa	Albuterol Sulfate	144	40
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	144	37
Sertraline Hcl	Sertraline Hcl	131	33
Lorazepam	Lorazepam	127	21
Metformin Hcl Er	Metformin Hcl	125	40
Simvastatin	Simvastatin	124	31
Metoprolol Tartrate	Metoprolol Tartrate	116	33
Rosuvastatin Calcium	Rosuvastatin Calcium	113	29
Metformin Hcl	Metformin Hcl	109	26
Atenolol	Atenolol	108	31
Trazodone Hcl	Trazodone Hcl	106	31
Hydrochlorothiazide	Hydrochlorothiazide	105	31
Azithromycin	Azithromycin	99	63
Allopurinol	Allopurinol	88	23
Alprazolam	Alprazolam	87	26
Ramipril	Ramipril	81	17
Eliquis	Apixaban	80	25
Duloxetine Hcl	Duloxetine Hcl	78	18
Fluconazole	Fluconazole	78	23
Pantoprazole Sodium	Pantoprazole Sodium	78	21
Tramadol Hcl	Tramadol Hcl	77	26
Escitalopram Oxalate	Escitalopram Oxalate	70	17
Clopidogrel	Clopidogrel Bisulfate	69	15
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	68	16
Potassium Chloride	Potassium Chloride	68	13
Valsartan	Valsartan	66	26
Oxycodone Hcl	Oxycodone Hcl	62	suppressed
Fluticasone Propionate	Fluticasone Propionate	61	16
Furosemide	Furosemide	61	18
Pregabalin	Pregabalin	61	11
Cephalexin	Cephalexin	58	38
Tamsulosin Hcl	Tamsulosin Hcl	57	16
Carvedilol	Carvedilol	55	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	52	16
Ezetimibe	Ezetimibe	52	15
Ondansetron Odt	Ondansetron	51	17
Amitriptyline Hcl	Amitriptyline Hcl	50	11
Amoxicillin	Amoxicillin	50	29
Donepezil Hcl	Donepezil Hcl	49	12
Clotrimazole	Clotrimazole	47	20
Pravastatin Sodium	Pravastatin Sodium	45	13
Breo Ellipta	Fluticasone/Vilanterol	44	suppressed
Prednisone	Prednisone	44	23
Jardiance	Empagliflozin	42	14
Quetiapine Fumarate	Quetiapine Fumarate	40	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	39	suppressed
Glimepiride	Glimepiride	37	13
Rybelsus	Semaglutide	37	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	35	17
Lamotrigine	Lamotrigine	35	suppressed
Mirtazapine	Mirtazapine	35	suppressed
Acyclovir	Acyclovir	33	suppressed
Mupirocin	Mupirocin	33	18
Finasteride	Finasteride	31	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	31	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	30	suppressed
Alendronate Sodium	Alendronate Sodium	29	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	29	29
Bupropion Hcl Sr	Bupropion Hcl	29	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	29	suppressed
Memantine Hcl	Memantine Hcl	29	suppressed
Buspirone Hcl	Buspirone Hcl	28	suppressed
Cefdinir	Cefdinir	28	25
Metoclopramide Hcl	Metoclopramide Hcl	28	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	28	suppressed
Dexamethasone	Dexamethasone	27	20
Spironolactone	Spironolactone	27	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	27	suppressed
Mometasone Furoate	Mometasone Furoate	26	17
Ozempic	Semaglutide	26	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	25	16
Digoxin	Digoxin	25	suppressed
Oxycontin	Oxycodone Hcl	25	suppressed
Estradiol	Estradiol	24	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	24	12
Valacyclovir	Valacyclovir Hcl	24	suppressed
Bupropion Xl	Bupropion Hcl	23	suppressed
Nystatin	Nystatin	23	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	22	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	21	suppressed
Clonazepam	Clonazepam	21	suppressed
Irbesartan	Irbesartan	21	suppressed
Lovastatin	Lovastatin	21	suppressed
Synthroid	Levothyroxine Sodium	21	suppressed
Meclizine Hcl	Meclizine Hcl	20	suppressed
Dofetilide	Dofetilide	19	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	19	suppressed
Nitroglycerin	Nitroglycerin	19	13
Fluoxetine Hcl	Fluoxetine Hcl	18	suppressed
Linzess	Linaclotide	18	suppressed
Meloxicam	Meloxicam	18	suppressed
Ropinirole Hcl	Ropinirole Hcl	18	suppressed
Tizanidine Hcl	Tizanidine Hcl	18	suppressed
Torsemide	Torsemide	18	suppressed
Warfarin Sodium	Warfarin Sodium	18	suppressed
Clonidine	Clonidine	17	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Lansoprazole	Lansoprazole	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Raloxifene Hcl	Raloxifene Hcl	16	suppressed
Sucralfate	Sucralfate	16	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	16	suppressed
Baclofen	Baclofen	15	suppressed
Fenofibrate	Fenofibrate	15	suppressed
Lactulose	Lactulose	15	suppressed
Levetiracetam	Levetiracetam	15	suppressed
Nebivolol Hcl	Nebivolol Hcl	15	suppressed
Nifedipine Er	Nifedipine	15	suppressed
Trulicity	Dulaglutide	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Celecoxib	Celecoxib	14	suppressed
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	14	suppressed
Naproxen	Naproxen	14	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	14	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	14	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	13	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	13	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	13	suppressed
Glipizide Er	Glipizide	13	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Loperamide	Loperamide Hcl	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Varenicline Tartrate	Varenicline Tartrate	13	suppressed
Ventolin Hfa	Albuterol Sulfate	13	suppressed
Citalopram Hbr	Citalopram Hydrobromide	12	suppressed
Colchicine	Colchicine	12	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	12	suppressed
Flecainide Acetate	Flecainide Acetate	12	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	12	suppressed
Methocarbamol	Methocarbamol	12	suppressed
Nexletol	Bempedoic Acid	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Premarin	Estrogens, Conjugated	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Amantadine	Amantadine Hcl	11	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	11	suppressed
Diltiazem Hcl	Diltiazem Hcl	11	suppressed
Hydrocortisone	Hydrocortisone	11	suppressed
Liothyronine Sodium	Liothyronine Sodium	11	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	11	suppressed
Pamelor	Nortriptyline Hcl	11	suppressed
Ranolazine Er	Ranolazine	11	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	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