Healthcare provider profile · identity verified

Joseph Glendon Rees, D.O.

Internal Medicine · SIOUX FALLS, SD · NPI 1760656193

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	1129	187
Furosemide	Furosemide	1043	188
Levothyroxine Sodium	Levothyroxine Sodium	1011	164
Warfarin Sodium	Warfarin Sodium	943	44
Omeprazole	Omeprazole	875	149
Amlodipine Besylate	Amlodipine Besylate	845	156
Eliquis	Apixaban	839	95
Gabapentin	Gabapentin	818	143
Mirtazapine	Mirtazapine	703	108
Sertraline Hcl	Sertraline Hcl	588	87
Losartan Potassium	Losartan Potassium	581	107
Lisinopril	Lisinopril	547	93
Potassium Chloride	Potassium Chloride	542	109
Carvedilol	Carvedilol	499	90
Metoprolol Tartrate	Metoprolol Tartrate	499	103
Tamsulosin Hcl	Tamsulosin Hcl	477	87
Metoprolol Succinate	Metoprolol Succinate	448	89
Pantoprazole Sodium	Pantoprazole Sodium	387	95
Escitalopram Oxalate	Escitalopram Oxalate	350	63
Clopidogrel	Clopidogrel Bisulfate	349	59
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	317	47
Rosuvastatin Calcium	Rosuvastatin Calcium	307	77
Duloxetine Hcl	Duloxetine Hcl	302	62
Memantine Hcl	Memantine Hcl	300	45
Donepezil Hcl	Donepezil Hcl	297	44
Quetiapine Fumarate	Quetiapine Fumarate	288	52
Spironolactone	Spironolactone	277	47
Metformin Hcl	Metformin Hcl	262	54
Buspirone Hcl	Buspirone Hcl	258	43
Trazodone Hcl	Trazodone Hcl	258	53
Allopurinol	Allopurinol	228	38
Xarelto	Rivaroxaban	213	25
Citalopram Hbr	Citalopram Hydrobromide	200	37
Ropinirole Hcl	Ropinirole Hcl	182	29
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	181	40
Baclofen	Baclofen	176	30
Fluoxetine Hcl	Fluoxetine Hcl	175	25
Carbidopa-Levodopa	Carbidopa/Levodopa	171	26
Myrbetriq	Mirabegron	170	20
Simvastatin	Simvastatin	164	36
Latanoprost	Latanoprost	160	24
Jardiance	Empagliflozin	158	20
Hydrochlorothiazide	Hydrochlorothiazide	155	32
Budesonide	Budesonide	153	20
Diclofenac Sodium	Diclofenac Sodium	151	43
Alendronate Sodium	Alendronate Sodium	147	20
Famotidine	Famotidine	147	39
Oxybutynin Chloride Er	Oxybutynin Chloride	146	23
Oxycodone Hcl	Oxycodone Hcl	143	34
Fluticasone Propionate	Fluticasone Propionate	138	52
Isosorbide Mononitrate Er	Isosorbide Mononitrate	138	25
Torsemide	Torsemide	134	26
Levetiracetam	Levetiracetam	133	19
Divalproex Sodium	Divalproex Sodium	127	17
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	125	39
Hydralazine Hcl	Hydralazine Hcl	123	25
Meloxicam	Meloxicam	116	20
Olanzapine	Olanzapine	113	19
Midodrine Hcl	Midodrine Hcl	111	20
Finasteride	Finasteride	107	17
Pregabalin	Pregabalin	106	22
Montelukast Sodium	Montelukast Sodium	99	17
Digoxin	Digoxin	98	19
Glipizide	Glipizide	98	21
Arformoterol Tartrate	Arformoterol Tartrate	97	15
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	95	15
Venlafaxine Hcl Er	Venlafaxine Hcl	95	14
Bumetanide	Bumetanide	94	19
Calcitriol	Calcitriol	92	18
Metformin Hcl Er	Metformin Hcl	92	27
Pravastatin Sodium	Pravastatin Sodium	91	25
Bupropion Xl	Bupropion Hcl	89	19
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	89	26
Nyamyc	Nystatin	89	41
Tramadol Hcl	Tramadol Hcl	89	31
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	88	19
Loperamide	Loperamide Hcl	86	41
Prednisone	Prednisone	82	44
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	73	18
Risperidone	Risperidone	73	13
Humalog Kwikpen U-100	Insulin Lispro	70	13
Cefuroxime	Cefuroxime Axetil	69	47
Doxycycline Hyclate	Doxycycline Hyclate	66	36
Atenolol	Atenolol	63	suppressed
Lactulose	Lactulose	63	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	60	suppressed
Propranolol Hcl	Propranolol Hcl	60	11
Farxiga	Dapagliflozin Propanediol	59	suppressed
Metolazone	Metolazone	59	19
Ondansetron Hcl	Ondansetron Hcl	59	30
Paroxetine Hcl	Paroxetine Hcl	58	11
Triamcinolone Acetonide	Triamcinolone Acetonide	55	24
Ezetimibe	Ezetimibe	54	11
Jantoven	Warfarin Sodium	54	suppressed
Gemtesa	Vibegron	53	suppressed
Januvia	Sitagliptin Phosphate	52	suppressed
Clobetasol Propionate	Clobetasol Propionate	51	16
Aripiprazole	Aripiprazole	50	13
Fiasp Flextouch	Insulin Aspart (Niacinamide)	50	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	49	32
Solifenacin Succinate	Solifenacin Succinate	48	suppressed
Benazepril Hcl	Benazepril Hcl	47	suppressed
Lorazepam	Lorazepam	46	26
Novolog Flexpen	Insulin Aspart	46	15
Amiodarone Hcl	Amiodarone Hcl	45	11
Ketoconazole	Ketoconazole	44	25
Cephalexin	Cephalexin	43	26
Linzess	Linaclotide	43	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	43	suppressed
Azithromycin	Azithromycin	42	22
Nystop	Nystatin	42	26
Albuterol Sulfate Hfa	Albuterol Sulfate	41	26
Cholestyramine	Cholestyramine (With Sugar)	41	suppressed
Nystatin	Nystatin	41	20
Ozempic	Semaglutide	41	suppressed
Albuterol Sulfate	Albuterol Sulfate	39	18
Ondansetron Odt	Ondansetron	38	22
Renacidin	Citric Ac/Gluconolact/Mag Carb	38	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	38	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	37	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	37	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	37	suppressed
Cefdinir	Cefdinir	36	29
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	36	suppressed
Prazosin Hcl	Prazosin Hcl	36	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	36	suppressed
Lumigan	Bimatoprost	34	suppressed
Topiramate	Topiramate	34	suppressed
Fluconazole	Fluconazole	33	17
Methotrexate	Methotrexate Sodium	33	suppressed
Bupropion Hcl Sr	Bupropion Hcl	32	suppressed
Lamotrigine	Lamotrigine	32	suppressed
Bupropion Hcl	Bupropion Hcl	30	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	30	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	30	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	29	suppressed
Estradiol	Estradiol	29	suppressed
Lovastatin	Lovastatin	29	suppressed
Timolol Maleate	Timolol Maleate	29	suppressed
Tizanidine Hcl	Tizanidine Hcl	29	suppressed
Clonidine Hcl	Clonidine Hcl	28	suppressed
Lansoprazole	Lansoprazole	28	suppressed
Methocarbamol	Methocarbamol	28	15
Verapamil Er	Verapamil Hcl	28	suppressed
Chlorthalidone	Chlorthalidone	27	suppressed
Nuplazid	Pimavanserin Tartrate	27	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	27	suppressed
Propranolol Hcl Er	Propranolol Hcl	27	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	27	suppressed
Brilinta	Ticagrelor	26	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	26	suppressed
Tresiba Flextouch U-100	Insulin Degludec	26	suppressed
Azathioprine	Azathioprine	25	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	25	20
Velphoro	Sucroferric Oxyhydroxide	25	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	24	suppressed
Ipratropium Bromide	Ipratropium Bromide	24	suppressed
Zenpep	Lipase/Protease/Amylase	24	suppressed
Diazepam	Diazepam	23	suppressed
Flecainide Acetate	Flecainide Acetate	23	suppressed
Amantadine	Amantadine Hcl	22	suppressed
Calcium Acetate	Calcium Acetate	22	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	22	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	22	suppressed
Insulin Aspart Flexpen	Insulin Aspart	22	suppressed
Irbesartan	Irbesartan	22	suppressed
Ranolazine Er	Ranolazine	22	suppressed
Safetyglide Insulin Syringe	Syringe,needle,insuln,sf 0.5ml	22	suppressed
Silodosin	Silodosin	22	suppressed
Terazosin Hcl	Terazosin Hcl	22	suppressed
Clotrimazole	Clotrimazole	21	suppressed
Enalapril Maleate	Enalapril Maleate	21	suppressed
Hydrocortisone	Hydrocortisone	21	12
Ibuprofen	Ibuprofen	21	suppressed
Synthroid	Levothyroxine Sodium	21	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	21	suppressed
Azelastine Hcl	Azelastine Hcl	20	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	20	suppressed
Clonazepam	Clonazepam	20	suppressed
Mupirocin	Mupirocin	20	suppressed
Nebivolol Hcl	Nebivolol Hcl	20	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	20	14
Trulicity	Dulaglutide	20	suppressed
Amoxicillin	Amoxicillin	19	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	19	15
Carbidopa-Levodopa Er	Carbidopa/Levodopa	19	suppressed
Labetalol Hcl	Labetalol Hcl	19	suppressed
Rhopressa	Netarsudil Mesylate	19	suppressed
Sodium Bicarbonate	Sodium Bicarbonate	19	suppressed
Valacyclovir	Valacyclovir Hcl	19	suppressed
Methenamine Hippurate	Methenamine Hippurate	18	suppressed
Mirabegron Er	Mirabegron	18	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	18	suppressed
Pyridostigmine Bromide	Pyridostigmine Bromide	18	suppressed
Valsartan	Valsartan	18	suppressed
Budesonide Dr	Budesonide	17	suppressed
Budesonide Ec	Budesonide	17	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	17	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	17	suppressed
Glipizide Er	Glipizide	17	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	17	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Nitroglycerin	Nitroglycerin	16	11
Spiriva Respimat	Tiotropium Bromide	16	suppressed
Yupelri	Revefenacin	16	suppressed
Breyna	Budesonide/Formoterol Fumarate	15	suppressed
Carbamazepine Er	Carbamazepine	15	suppressed
Diltiazem 12hr Er	Diltiazem Hcl	15	suppressed
Divalproex Sodium Er	Divalproex Sodium	15	suppressed
Fiasp	Insulin Aspart (Niacinamide)	15	suppressed
Levemir Flexpen	Insulin Detemir	15	suppressed
Lidocaine Hcl Viscous	Lidocaine Hcl	15	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Cartia Xt	Diltiazem Hcl	14	suppressed
Cyclosporine	Cyclosporine	14	suppressed
Dexlansoprazole Dr	Dexlansoprazole	14	suppressed
Diltiazem Hcl	Diltiazem Hcl	14	suppressed
Folic Acid	Folic Acid	14	suppressed
Glyxambi	Empagliflozin/Linagliptin	14	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Metronidazole	Metronidazole	14	suppressed
Propafenone Hcl	Propafenone Hcl	14	suppressed
Rivastigmine	Rivastigmine Tartrate	14	suppressed
Santyl	Collagenase Clostridium Hist.	14	suppressed
Creon	Lipase/Protease/Amylase	13	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Febuxostat	Febuxostat	13	suppressed
Fluphenazine Hcl	Fluphenazine Hcl	13	suppressed
Novolog Mix 70-30	Insulin Aspart Prot/Insuln Asp	13	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Trospium Chloride Er	Trospium Chloride	13	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	13	suppressed
Alcohol Prep Pads	Alcohol Antiseptic Pads	12	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	12	suppressed
Colchicine	Colchicine	12	suppressed
Combigan	Brimonidine Tartrate/Timolol	12	suppressed
Formoterol Fumarate	Formoterol Fumarate	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Zolpidem Tartrate	Zolpidem Tartrate	12	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	11	suppressed
Cefaclor	Cefaclor	11	suppressed
Entresto	Sacubitril/Valsartan	11	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	11	suppressed
Primidone	Primidone	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