Healthcare provider profile · identity verified

John Michael Malleis, MD

Internal Medicine · MEDFORD, OR · NPI 1144511643

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	391	113
Lisinopril	Lisinopril	306	92
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	287	51
Levothyroxine Sodium	Levothyroxine Sodium	275	64
Eliquis	Apixaban	244	42
Amlodipine Besylate	Amlodipine Besylate	226	64
Gabapentin	Gabapentin	214	55
Tamsulosin Hcl	Tamsulosin Hcl	198	50
Metoprolol Succinate	Metoprolol Succinate	190	54
Trazodone Hcl	Trazodone Hcl	177	39
Albuterol Sulfate Hfa	Albuterol Sulfate	171	60
Omeprazole	Omeprazole	161	50
Losartan Potassium	Losartan Potassium	154	46
Metformin Hcl	Metformin Hcl	148	44
Oxycodone Hcl	Oxycodone Hcl	147	32
Rosuvastatin Calcium	Rosuvastatin Calcium	140	41
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	139	25
Furosemide	Furosemide	131	40
Carvedilol	Carvedilol	128	36
Jardiance	Empagliflozin	125	27
Tramadol Hcl	Tramadol Hcl	119	36
Duloxetine Hcl	Duloxetine Hcl	114	25
Hydrochlorothiazide	Hydrochlorothiazide	109	32
Zolpidem Tartrate	Zolpidem Tartrate	109	20
Potassium Chloride	Potassium Chloride	97	30
Metformin Hcl Er	Metformin Hcl	94	31
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	92	29
Sertraline Hcl	Sertraline Hcl	91	22
Ozempic	Semaglutide	85	18
Alendronate Sodium	Alendronate Sodium	83	18
Mirtazapine	Mirtazapine	82	14
Metoprolol Tartrate	Metoprolol Tartrate	78	22
Clonazepam	Clonazepam	76	14
Pioglitazone Hcl	Pioglitazone Hcl	75	22
Venlafaxine Hcl Er	Venlafaxine Hcl	75	16
Pravastatin Sodium	Pravastatin Sodium	74	19
Meloxicam	Meloxicam	73	21
Pantoprazole Sodium	Pantoprazole Sodium	71	15
Simvastatin	Simvastatin	68	23
Aripiprazole	Aripiprazole	66	13
Bupropion Xl	Bupropion Hcl	66	21
Buspirone Hcl	Buspirone Hcl	61	14
Prednisone	Prednisone	61	36
Allopurinol	Allopurinol	58	14
Fluoxetine Hcl	Fluoxetine Hcl	58	13
Spironolactone	Spironolactone	58	17
Warfarin Sodium	Warfarin Sodium	57	14
Glimepiride	Glimepiride	56	16
Morphine Sulfate Er	Morphine Sulfate	55	suppressed
Tizanidine Hcl	Tizanidine Hcl	55	26
Alprazolam	Alprazolam	54	18
Fluticasone Propionate	Fluticasone Propionate	54	28
Finasteride	Finasteride	51	14
Citalopram Hbr	Citalopram Hydrobromide	49	12
Montelukast Sodium	Montelukast Sodium	48	15
Pregabalin	Pregabalin	47	suppressed
Lovastatin	Lovastatin	44	12
Donepezil Hcl	Donepezil Hcl	43	suppressed
Famotidine	Famotidine	43	13
Lorazepam	Lorazepam	43	13
Levetiracetam	Levetiracetam	42	suppressed
Torsemide	Torsemide	42	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	41	suppressed
Diclofenac Sodium	Diclofenac Sodium	40	13
Morphine Sulfate	Morphine Sulfate	40	suppressed
Atenolol	Atenolol	39	13
Clopidogrel	Clopidogrel Bisulfate	39	12
Ezetimibe	Ezetimibe	39	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	39	suppressed
Methadone Hcl	Methadone Hcl	39	suppressed
Methocarbamol	Methocarbamol	37	suppressed
Celecoxib	Celecoxib	36	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	36	suppressed
Propranolol Hcl	Propranolol Hcl	35	suppressed
Topiramate	Topiramate	35	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	34	suppressed
Baclofen	Baclofen	34	suppressed
Irbesartan	Irbesartan	34	11
Metoclopramide Hcl	Metoclopramide Hcl	34	suppressed
Glipizide	Glipizide	33	12
Ibuprofen	Ibuprofen	31	11
Olanzapine	Olanzapine	31	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	30	suppressed
Ondansetron Hcl	Ondansetron Hcl	30	11
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	28	suppressed
Buprenorphine Hcl	Buprenorphine Hcl	27	suppressed
Myrbetriq	Mirabegron	27	suppressed
Ondansetron Odt	Ondansetron	27	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	25	suppressed
Trulicity	Dulaglutide	25	suppressed
Divalproex Sodium	Divalproex Sodium	24	suppressed
Doxepin Hcl	Doxepin Hcl	24	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	23	19
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	23	suppressed
Entresto	Sacubitril/Valsartan	22	suppressed
Testosterone Cypionate	Testosterone Cypionate	22	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	21	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	21	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	21	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	20
Clonidine Hcl	Clonidine Hcl	20	suppressed
Valacyclovir	Valacyclovir Hcl	20	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Memantine Hcl	Memantine Hcl	19	suppressed
Nitroglycerin	Nitroglycerin	19	14
Premarin	Estrogens, Conjugated	19	suppressed
Terbinafine Hcl	Terbinafine Hcl	19	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	18	suppressed
Ropinirole Hcl	Ropinirole Hcl	18	suppressed
Tresiba Flextouch U-200	Insulin Degludec	18	suppressed
Diazepam	Diazepam	17	suppressed
Prazosin Hcl	Prazosin Hcl	17	suppressed
Rybelsus	Semaglutide	17	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	17	14
Combivent Respimat	Ipratropium/Albuterol Sulfate	16	suppressed
Estradiol	Estradiol	16	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Fluconazole	Fluconazole	16	13
Glipizide Er	Glipizide	16	suppressed
Insulin Degludec Pen (U-100)	Insulin Degludec	16	suppressed
Lansoprazole	Lansoprazole	16	suppressed
Digoxin	Digoxin	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	15	suppressed
Varenicline Tartrate	Varenicline Tartrate	15	suppressed
Benazepril Hcl	Benazepril Hcl	14	suppressed
Calcitriol	Calcitriol	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	14	suppressed
Xarelto	Rivaroxaban	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Imipramine Hcl	Imipramine Hcl	13	suppressed
Liothyronine Sodium	Liothyronine Sodium	13	suppressed
Lurasidone Hcl	Lurasidone Hcl	13	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	13	suppressed
Olanzapine Odt	Olanzapine	13	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	13	suppressed
Promethazine Hcl	Promethazine Hcl	13	suppressed
Risperidone	Risperidone	13	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	13	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Buprenorphine	Buprenorphine	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Divalproex Sodium Er	Divalproex Sodium	12	suppressed
Levofloxacin	Levofloxacin	12	suppressed
Loperamide	Loperamide Hcl	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	suppressed
Primidone	Primidone	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	12	suppressed
Risperidone Odt	Risperidone	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Amantadine	Amantadine Hcl	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Cimetidine	Cimetidine	11	suppressed
Haloperidol	Haloperidol	11	suppressed
Linzess	Linaclotide	11	suppressed
Sildenafil Citrate	Sildenafil Citrate	11	suppressed
Testosterone	Testosterone	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