Healthcare provider profile · identity verified

Peter Demuth, MD

Internal Medicine · LOMA LINDA, CA · NPI 1831622034

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	354	139
Rosuvastatin Calcium	Rosuvastatin Calcium	245	82
Levothyroxine Sodium	Levothyroxine Sodium	227	86
Amlodipine Besylate	Amlodipine Besylate	218	88
Losartan Potassium	Losartan Potassium	210	81
Gabapentin	Gabapentin	178	62
Lisinopril	Lisinopril	165	66
Ozempic	Semaglutide	156	40
Furosemide	Furosemide	143	66
Metformin Hcl	Metformin Hcl	135	59
Tamsulosin Hcl	Tamsulosin Hcl	132	50
Benazepril Hcl	Benazepril Hcl	116	39
Omeprazole	Omeprazole	115	56
Albuterol Sulfate Hfa	Albuterol Sulfate	109	47
Fluticasone Propionate	Fluticasone Propionate	106	54
Pantoprazole Sodium	Pantoprazole Sodium	103	52
Trazodone Hcl	Trazodone Hcl	91	37
Carvedilol	Carvedilol	90	39
Hydrochlorothiazide	Hydrochlorothiazide	90	38
Famotidine	Famotidine	89	41
Jardiance	Empagliflozin	89	31
Mounjaro	Tirzepatide	87	23
Alendronate Sodium	Alendronate Sodium	86	31
Allopurinol	Allopurinol	86	28
Metoprolol Succinate	Metoprolol Succinate	77	36
Diclofenac Sodium	Diclofenac Sodium	72	25
Sertraline Hcl	Sertraline Hcl	72	25
Finasteride	Finasteride	71	31
Ibuprofen	Ibuprofen	71	22
Meloxicam	Meloxicam	71	25
Pregabalin	Pregabalin	67	20
Methocarbamol	Methocarbamol	62	27
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	58	24
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	58	19
Simvastatin	Simvastatin	54	25
Escitalopram Oxalate	Escitalopram Oxalate	53	20
Metformin Hcl Er	Metformin Hcl	53	21
Naproxen	Naproxen	53	28
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	50	15
Donepezil Hcl	Donepezil Hcl	49	21
Nifedipine Er	Nifedipine	49	19
Ondansetron Odt	Ondansetron	49	24
Spironolactone	Spironolactone	49	19
Amitriptyline Hcl	Amitriptyline Hcl	48	13
Eliquis	Apixaban	48	25
Ketoconazole	Ketoconazole	48	18
Triamcinolone Acetonide	Triamcinolone Acetonide	48	33
Metoprolol Tartrate	Metoprolol Tartrate	47	18
Potassium Chloride	Potassium Chloride	47	14
Baclofen	Baclofen	46	20
Zolpidem Tartrate	Zolpidem Tartrate	46	11
Ezetimibe	Ezetimibe	43	14
Myrbetriq	Mirabegron	41	17
Pravastatin Sodium	Pravastatin Sodium	41	16
Duloxetine Hcl	Duloxetine Hcl	40	17
Chlorthalidone	Chlorthalidone	38	13
Tramadol Hcl	Tramadol Hcl	38	16
Alprazolam	Alprazolam	36	15
Lidocaine	Lidocaine	33	12
Montelukast Sodium	Montelukast Sodium	33	16
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	33	suppressed
Memantine Hcl	Memantine Hcl	32	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	31	12
Esomeprazole Magnesium	Esomeprazole Magnesium	30	suppressed
Bupropion Xl	Bupropion Hcl	29	11
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	27	suppressed
Xarelto	Rivaroxaban	27	suppressed
Estradiol	Estradiol	26	13
Farxiga	Dapagliflozin Propanediol	26	suppressed
Mirtazapine	Mirtazapine	25	suppressed
Paroxetine Hcl	Paroxetine Hcl	25	suppressed
Symbicort	Budesonide/Formoterol Fumarate	25	suppressed
Synthroid	Levothyroxine Sodium	23	suppressed
Tizanidine Hcl	Tizanidine Hcl	23	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	22	suppressed
Enalapril Maleate	Enalapril Maleate	22	suppressed
Sildenafil Citrate	Sildenafil Citrate	22	suppressed
Propranolol Hcl Er	Propranolol Hcl	21	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	20	14
Meclizine Hcl	Meclizine Hcl	20	11
Nortriptyline Hcl	Nortriptyline Hcl	20	suppressed
Warfarin Sodium	Warfarin Sodium	20	suppressed
Azelastine Hcl	Azelastine Hcl	19	13
Citalopram Hbr	Citalopram Hydrobromide	19	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	19	suppressed
Mupirocin	Mupirocin	19	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	18	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	18	suppressed
Gavilyte-G	Peg3350/Sod Sulf,bicarb,cl/Kcl	18	18
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	14
Atenolol	Atenolol	17	suppressed
Celecoxib	Celecoxib	17	suppressed
Clopidogrel	Clopidogrel Bisulfate	17	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	17	suppressed
Diphenhydramine Hcl	Diphenhydramine Hcl	17	suppressed
Colchicine	Colchicine	16	suppressed
Glimepiride	Glimepiride	16	suppressed
Glipizide	Glipizide	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Lorazepam	Lorazepam	16	suppressed
Ramelteon	Ramelteon	16	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	16	suppressed
Diazepam	Diazepam	15	11
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Doxepin Hcl	Doxepin Hcl	14	suppressed
Entresto	Sacubitril/Valsartan	14	suppressed
Folic Acid	Folic Acid	14	suppressed
Glipizide Er	Glipizide	14	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	14	suppressed
Prednisone	Prednisone	14	13
Propranolol Hcl	Propranolol Hcl	14	suppressed
Trulicity	Dulaglutide	14	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	14	suppressed
Acyclovir	Acyclovir	13	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	13	suppressed
Humalog Kwikpen U-100	Insulin Lispro	13	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Lactulose	Lactulose	13	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	13	suppressed
Varenicline Tartrate	Varenicline Tartrate	13	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	12	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	12	suppressed
Hydralazine Hcl	Hydralazine Hcl	12	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	12	suppressed
Linzess	Linaclotide	12	suppressed
Methenamine Hippurate	Methenamine Hippurate	12	suppressed
Metronidazole	Metronidazole	12	suppressed
Olanzapine	Olanzapine	12	suppressed
Cephalexin	Cephalexin	11	suppressed
Liothyronine Sodium	Liothyronine Sodium	11	suppressed
Nitroglycerin	Nitroglycerin	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Zonisamide	Zonisamide	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

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