Healthcare provider profile · identity verified

William D Loretan, DO

Internal Medicine · EPHRATA, PA · NPI 1245244565

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
Amlodipine Besylate	Amlodipine Besylate	1063	244
Levothyroxine Sodium	Levothyroxine Sodium	1053	191
Atorvastatin Calcium	Atorvastatin Calcium	1049	235
Furosemide	Furosemide	751	160
Losartan Potassium	Losartan Potassium	686	157
Lisinopril	Lisinopril	678	155
Metoprolol Succinate	Metoprolol Succinate	666	155
Sertraline Hcl	Sertraline Hcl	645	104
Omeprazole	Omeprazole	634	160
Eliquis	Apixaban	585	90
Metoprolol Tartrate	Metoprolol Tartrate	557	104
Simvastatin	Simvastatin	554	119
Potassium Chloride	Potassium Chloride	530	99
Rosuvastatin Calcium	Rosuvastatin Calcium	469	125
Gabapentin	Gabapentin	451	89
Pantoprazole Sodium	Pantoprazole Sodium	433	96
Tamsulosin Hcl	Tamsulosin Hcl	420	86
Metformin Hcl	Metformin Hcl	383	83
Hydrochlorothiazide	Hydrochlorothiazide	356	100
Famotidine	Famotidine	327	77
Escitalopram Oxalate	Escitalopram Oxalate	307	55
Clopidogrel	Clopidogrel Bisulfate	275	60
Carvedilol	Carvedilol	274	66
Warfarin Sodium	Warfarin Sodium	262	25
Trazodone Hcl	Trazodone Hcl	259	59
Donepezil Hcl	Donepezil Hcl	239	33
Mirtazapine	Mirtazapine	212	45
Pravastatin Sodium	Pravastatin Sodium	210	57
Torsemide	Torsemide	209	44
Duloxetine Hcl	Duloxetine Hcl	200	38
Metformin Hcl Er	Metformin Hcl	195	58
Ezetimibe	Ezetimibe	192	50
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	184	43
Lorazepam	Lorazepam	184	50
Alendronate Sodium	Alendronate Sodium	182	38
Tramadol Hcl	Tramadol Hcl	177	43
Memantine Hcl	Memantine Hcl	174	24
Fluticasone Propionate	Fluticasone Propionate	173	57
Alprazolam	Alprazolam	168	33
Jardiance	Empagliflozin	165	22
Xarelto	Rivaroxaban	164	32
Allopurinol	Allopurinol	149	31
Amiodarone Hcl	Amiodarone Hcl	145	28
Spironolactone	Spironolactone	143	31
Buspirone Hcl	Buspirone Hcl	142	21
Quetiapine Fumarate	Quetiapine Fumarate	142	23
Albuterol Sulfate Hfa	Albuterol Sulfate	141	61
Finasteride	Finasteride	129	34
Glipizide Er	Glipizide	127	35
Prednisone	Prednisone	127	77
Ropinirole Hcl	Ropinirole Hcl	124	17
Montelukast Sodium	Montelukast Sodium	120	29
Carbidopa-Levodopa	Carbidopa/Levodopa	116	21
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	113	36
Bumetanide	Bumetanide	109	14
Novolog Flexpen	Insulin Aspart	104	23
Clonazepam	Clonazepam	100	17
Citalopram Hbr	Citalopram Hydrobromide	95	23
Divalproex Sodium	Divalproex Sodium	92	13
Januvia	Sitagliptin Phosphate	89	13
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	84	23
Paroxetine Hcl	Paroxetine Hcl	82	14
Tizanidine Hcl	Tizanidine Hcl	81	25
Ondansetron Odt	Ondansetron	79	56
Zolpidem Tartrate	Zolpidem Tartrate	79	16
Latanoprost	Latanoprost	78	17
Meloxicam	Meloxicam	76	21
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	75	22
Ciprofloxacin Hcl	Ciprofloxacin Hcl	74	67
Glimepiride	Glimepiride	72	17
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	72	15
Loperamide	Loperamide Hcl	71	61
Myrbetriq	Mirabegron	71	11
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	71	17
Levetiracetam	Levetiracetam	69	14
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	69	52
Azithromycin	Azithromycin	67	57
Atenolol	Atenolol	66	19
Triamcinolone Acetonide	Triamcinolone Acetonide	65	45
Bisoprolol Fumarate	Bisoprolol Fumarate	64	12
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	63	13
Oseltamivir Phosphate	Oseltamivir Phosphate	63	50
Cephalexin	Cephalexin	62	47
Valsartan	Valsartan	61	20
Oxycodone Hcl	Oxycodone Hcl	60	16
Synthroid	Levothyroxine Sodium	60	17
Venlafaxine Hcl Er	Venlafaxine Hcl	59	17
Pioglitazone Hcl	Pioglitazone Hcl	56	12
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	55	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	54	11
Nifedipine Er	Nifedipine	54	12
Trulicity	Dulaglutide	53	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	52	14
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	50	17
Breo Ellipta	Fluticasone/Vilanterol	50	suppressed
Nystatin	Nystatin	49	32
Hydralazine Hcl	Hydralazine Hcl	47	15
Travoprost	Travoprost	47	12
Carbidopa-Levodopa Er	Carbidopa/Levodopa	46	suppressed
Amoxicillin	Amoxicillin	45	35
Chlorthalidone	Chlorthalidone	45	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	45	14
Insulin Lispro Kwikpen U-100	Insulin Lispro	45	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	44	41
Benazepril Hcl	Benazepril Hcl	44	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	44	17
Isosorbide Mononitrate Er	Isosorbide Mononitrate	44	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	44	suppressed
Aripiprazole	Aripiprazole	42	suppressed
Lovastatin	Lovastatin	42	12
Midodrine Hcl	Midodrine Hcl	42	suppressed
Insulin Aspart Flexpen	Insulin Aspart	41	14
Ipratropium Bromide	Ipratropium Bromide	41	14
Levemir Flexpen	Insulin Detemir	41	22
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	39	13
Glipizide	Glipizide	39	suppressed
Bupropion Xl	Bupropion Hcl	38	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	38	34
Combivent Respimat	Ipratropium/Albuterol Sulfate	38	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	38	31
Lansoprazole	Lansoprazole	38	suppressed
Linzess	Linaclotide	38	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	38	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	38	suppressed
Digoxin	Digoxin	37	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	37	11
Ondansetron Hcl	Ondansetron Hcl	37	25
Primidone	Primidone	37	suppressed
Tresiba Flextouch U-100	Insulin Degludec	37	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	36	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	35	suppressed
Ventolin Hfa	Albuterol Sulfate	35	12
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	34	23
Esomeprazole Magnesium	Esomeprazole Magnesium	34	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	34	suppressed
Fenofibrate	Fenofibrate	33	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	33	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	33	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	31	suppressed
Methenamine Hippurate	Methenamine Hippurate	31	suppressed
Celecoxib	Celecoxib	30	suppressed
Ammonium Lactate	Ammonium Lactate	29	suppressed
Baclofen	Baclofen	29	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	29	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	29	suppressed
Risperidone	Risperidone	29	suppressed
Solifenacin Succinate	Solifenacin Succinate	29	suppressed
Sulfasalazine	Sulfasalazine	29	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	28	28
Diclofenac Sodium	Diclofenac Sodium	28	13
Meclizine Hcl	Meclizine Hcl	28	24
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	28	suppressed
Estradiol	Estradiol	27	12
Nitroglycerin	Nitroglycerin	27	19
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	26	suppressed
Flecainide Acetate	Flecainide Acetate	26	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	26	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	25	25
Farxiga	Dapagliflozin Propanediol	25	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	25	suppressed
Bupropion Hcl	Bupropion Hcl	24	suppressed
Bupropion Hcl Sr	Bupropion Hcl	24	suppressed
Humalog Kwikpen U-100	Insulin Lispro	24	suppressed
Irbesartan	Irbesartan	24	suppressed
Propranolol Hcl	Propranolol Hcl	24	suppressed
Klor-Con M20	Potassium Chloride	23	suppressed
Methylprednisolone	Methylprednisolone	23	21
Diazepam	Diazepam	22	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	22	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	22	suppressed
Methimazole	Methimazole	21	suppressed
Azathioprine	Azathioprine	20	suppressed
Azelastine Hcl	Azelastine Hcl	20	suppressed
Nystop	Nystatin	20	11
Sucralfate	Sucralfate	20	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	19	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	19	suppressed
Ozempic	Semaglutide	19	suppressed
Bydureon Bcise	Exenatide Microspheres	18	suppressed
Doxepin Hcl	Doxepin Hcl	18	suppressed
Fosinopril Sodium	Fosinopril Sodium	18	suppressed
Incruse Ellipta	Umeclidinium Bromide	18	suppressed
Lumigan	Bimatoprost	18	suppressed
Tradjenta	Linagliptin	18	suppressed
Glycopyrrolate	Glycopyrrolate	17	suppressed
Hydrocortisone	Hydrocortisone	17	11
Hydromorphone Hcl	Hydromorphone Hcl	17	suppressed
Mupirocin	Mupirocin	17	13
Paxlovid	Nirmatrelvir/Ritonavir	17	17
Rexulti	Brexpiprazole	17	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	17	suppressed
Carbamazepine	Carbamazepine	16	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	16	suppressed
Mometasone Furoate	Mometasone Furoate	16	suppressed
Rivastigmine	Rivastigmine	16	suppressed
Telmisartan	Telmisartan	16	suppressed
Timolol Maleate	Timolol Maleate	16	suppressed
Trospium Chloride	Trospium Chloride	16	suppressed
Clorazepate Dipotassium	Clorazepate Dipotassium	15	suppressed
Colestipol Hcl	Colestipol Hcl	15	suppressed
Divalproex Sodium Er	Divalproex Sodium	15	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	15	suppressed
Nateglinide	Nateglinide	15	suppressed
Restasis	Cyclosporine	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	15
Alfuzosin Hcl Er	Alfuzosin Hcl	14	suppressed
Calcitriol	Calcitriol	14	suppressed
Dutasteride	Dutasteride	14	suppressed
Fenofibrate	Fenofibrate,micronized	14	suppressed
Morphine Sulfate	Morphine Sulfate	14	11
Novofine 32	Pen Needle, Diabetic	14	suppressed
Ramipril	Ramipril	14	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	14	suppressed
Tadalafil	Tadalafil	14	suppressed
Temazepam	Temazepam	14	suppressed
Tresiba Flextouch U-200	Insulin Degludec	14	suppressed
Albuterol Sulfate	Albuterol Sulfate	13	suppressed
Bethanechol Chloride	Bethanechol Chloride	13	suppressed
Enalapril Maleate	Enalapril Maleate	13	suppressed
Galantamine Er	Galantamine Hbr	13	suppressed
Memantine Hcl Er	Memantine Hcl	13	suppressed
Mesalamine	Mesalamine	13	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	13	suppressed
Santyl	Collagenase Clostridium Hist.	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Ibandronate Sodium	Ibandronate Sodium	12	suppressed
Icosapent Ethyl	Icosapent Ethyl	12	suppressed
Novolin R Flexpen	Insulin Regular, Human	12	suppressed
Oxcarbazepine	Oxcarbazepine	12	suppressed
Arnuity Ellipta	Fluticasone Furoate	11	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	11	suppressed
Cholestyramine	Cholestyramine (With Sugar)	11	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	11	suppressed
Entacapone	Entacapone	11	suppressed
Haloperidol	Haloperidol	11	suppressed
Humalog	Insulin Lispro	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Jantoven	Warfarin Sodium	11	suppressed
Methotrexate	Methotrexate Sodium	11	suppressed
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	11	suppressed
Rivastigmine	Rivastigmine 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