Healthcare provider profile · identity verified

Robert Riekse, MD

Geriatric Medicine · GRAND RAPIDS, MI · NPI 1225081672

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
Levothyroxine Sodium	Levothyroxine Sodium	1161	114
Amlodipine Besylate	Amlodipine Besylate	931	121
Torsemide	Torsemide	817	75
Sertraline Hcl	Sertraline Hcl	805	67
Omeprazole	Omeprazole	732	92
Atorvastatin Calcium	Atorvastatin Calcium	699	86
Metoprolol Succinate	Metoprolol Succinate	628	75
Escitalopram Oxalate	Escitalopram Oxalate	619	55
Mirtazapine	Mirtazapine	605	56
Trazodone Hcl	Trazodone Hcl	602	70
Gabapentin	Gabapentin	548	69
Losartan Potassium	Losartan Potassium	531	52
Lisinopril	Lisinopril	498	66
Eliquis	Apixaban	493	62
Pantoprazole Sodium	Pantoprazole Sodium	378	40
Furosemide	Furosemide	368	49
Hydralazine Hcl	Hydralazine Hcl	338	28
Myrbetriq	Mirabegron	337	28
Duloxetine Hcl	Duloxetine Hcl	321	29
Quetiapine Fumarate	Quetiapine Fumarate	290	18
Simvastatin	Simvastatin	276	32
Tamsulosin Hcl	Tamsulosin Hcl	253	42
Metoprolol Tartrate	Metoprolol Tartrate	241	20
Baclofen	Baclofen	227	17
Famotidine	Famotidine	218	23
Metformin Hcl	Metformin Hcl	206	21
Donepezil Hcl	Donepezil Hcl	195	33
Buspirone Hcl	Buspirone Hcl	193	16
Cephalexin	Cephalexin	182	62
Carvedilol	Carvedilol	178	20
Tramadol Hcl	Tramadol Hcl	159	44
Pravastatin Sodium	Pravastatin Sodium	157	30
Potassium Chloride	Potassium Chloride	155	23
Latanoprost	Latanoprost	151	27
Citalopram Hbr	Citalopram Hydrobromide	146	14
Memantine Hcl	Memantine Hcl	146	20
Alendronate Sodium	Alendronate Sodium	145	25
Levetiracetam	Levetiracetam	142	suppressed
Xarelto	Rivaroxaban	142	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	137	22
Finasteride	Finasteride	128	13
Ipratropium Bromide	Ipratropium Bromide	126	36
Bupropion Xl	Bupropion Hcl	125	11
Lorazepam	Lorazepam	120	41
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	119	11
Lamotrigine	Lamotrigine	104	suppressed
Chlorthalidone	Chlorthalidone	103	suppressed
Oxycodone Hcl	Oxycodone Hcl	102	38
Risperidone	Risperidone	100	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	98	14
Montelukast Sodium	Montelukast Sodium	96	15
Warfarin Sodium	Warfarin Sodium	96	suppressed
Celecoxib	Celecoxib	95	13
Fluoxetine Hcl	Fluoxetine Hcl	91	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	91	20
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	90	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	90	15
Methadone Hcl	Methadone Hcl	83	12
Olanzapine	Olanzapine	82	suppressed
Hydrocortisone	Hydrocortisone	81	26
Loperamide	Loperamide Hcl	81	13
Meloxicam	Meloxicam	81	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	79	34
Divalproex Sodium	Divalproex Sodium	74	suppressed
Midodrine Hcl	Midodrine Hcl	74	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	74	suppressed
Metformin Hcl Er	Metformin Hcl	70	13
Ondansetron Hcl	Ondansetron Hcl	67	suppressed
Spironolactone	Spironolactone	67	suppressed
Fluticasone Propionate	Fluticasone Propionate	66	30
Lovastatin	Lovastatin	66	14
Irbesartan	Irbesartan	65	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	64	suppressed
Methocarbamol	Methocarbamol	63	12
Prednisone	Prednisone	62	16
Venlafaxine Hcl Er	Venlafaxine Hcl	61	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	60	34
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	55	suppressed
Trimethoprim	Trimethoprim	54	suppressed
Jardiance	Empagliflozin	52	suppressed
Primidone	Primidone	52	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	52	36
Folic Acid	Folic Acid	51	suppressed
Creon	Lipase/Protease/Amylase	50	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	48	48
Methenamine Hippurate	Methenamine Hippurate	47	suppressed
Methimazole	Methimazole	47	suppressed
Allopurinol	Allopurinol	46	suppressed
Morphine Sulfate Er	Morphine Sulfate	46	suppressed
Ondansetron Odt	Ondansetron	46	11
Paroxetine Hcl	Paroxetine Hcl	46	suppressed
Desipramine Hcl	Desipramine Hcl	45	suppressed
Estradiol	Estradiol	45	15
Solifenacin Succinate	Solifenacin Succinate	45	suppressed
Propranolol Hcl Er	Propranolol Hcl	44	suppressed
Trulicity	Dulaglutide	44	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	43	suppressed
Pregabalin	Pregabalin	42	suppressed
Ropinirole Hcl	Ropinirole Hcl	40	suppressed
Prazosin Hcl	Prazosin Hcl	39	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	38	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	37	20
Hydroxyzine Hcl	Hydroxyzine Hcl	37	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	37	35
Tolterodine Tartrate Er	Tolterodine Tartrate	37	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	37	suppressed
Digoxin	Digoxin	36	suppressed
Enulose	Lactulose	35	suppressed
Ezetimibe	Ezetimibe	35	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	35	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	35	23
Topiramate	Topiramate	35	suppressed
Alprazolam	Alprazolam	33	12
Dexamethasone	Dexamethasone	33	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	33	suppressed
Fentanyl	Fentanyl	33	suppressed
Glimepiride	Glimepiride	33	suppressed
Trospium Chloride	Trospium Chloride	33	suppressed
Benazepril Hcl	Benazepril Hcl	32	suppressed
Carbamazepine Er	Carbamazepine	32	suppressed
Propranolol Hcl	Propranolol Hcl	32	suppressed
Clopidogrel	Clopidogrel Bisulfate	31	suppressed
Cholestyramine	Cholestyramine (With Sugar)	30	suppressed
Amiodarone Hcl	Amiodarone Hcl	29	suppressed
Humalog Kwikpen U-100	Insulin Lispro	29	suppressed
Rivastigmine	Rivastigmine	29	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	29	suppressed
Buprenorphine	Buprenorphine	28	suppressed
Bupropion Hcl Sr	Bupropion Hcl	28	suppressed
Clonazepam	Clonazepam	28	suppressed
Nystop	Nystatin	28	13
Anastrozole	Anastrozole	27	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	27	suppressed
Lansoprazole	Lansoprazole	27	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	26	14
Cimetidine	Cimetidine	26	suppressed
Fenofibrate	Fenofibrate,micronized	26	suppressed
Liothyronine Sodium	Liothyronine Sodium	26	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	26	suppressed
Galantamine Er	Galantamine Hbr	25	suppressed
Travoprost	Travoprost	25	suppressed
Atenolol	Atenolol	24	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	24	suppressed
Nifedipine Er	Nifedipine	24	suppressed
Aripiprazole	Aripiprazole	23	suppressed
Dantrolene Sodium	Dantrolene Sodium	23	suppressed
Dutasteride	Dutasteride	23	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	23	suppressed
Naproxen	Naproxen	23	suppressed
Nystatin	Nystatin	23	14
Brimonidine Tartrate	Brimonidine Tartrate	22	suppressed
Memantine Hcl Er	Memantine Hcl	22	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Farxiga	Dapagliflozin Propanediol	21	suppressed
Ketoconazole	Ketoconazole	21	11
Tizanidine Hcl	Tizanidine Hcl	21	suppressed
Xifaxan	Rifaximin	21	suppressed
Aliskiren	Aliskiren Hemifumarate	20	suppressed
Morphine Sulfate	Morphine Sulfate	20	13
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	19	suppressed
Penicillin V Potassium	Penicillin V Potassium	19	suppressed
Tradjenta	Linagliptin	19	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	18	suppressed
Fluorometholone	Fluorometholone	18	suppressed
Timolol Maleate	Timolol Maleate	18	suppressed
Carbamazepine	Carbamazepine	17	suppressed
Colchicine	Colchicine	17	suppressed
Erythromycin	Erythromycin Base	17	suppressed
Levofloxacin	Levofloxacin	17	12
Metoclopramide Hcl	Metoclopramide Hcl	17	suppressed
Dulera	Mometasone/Formoterol	16	suppressed
Fluconazole	Fluconazole	16	suppressed
Humalog	Insulin Lispro	16	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	15	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	15	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	15	suppressed
Febuxostat	Febuxostat	15	suppressed
Raloxifene Hcl	Raloxifene Hcl	15	suppressed
Amoxicillin	Amoxicillin	14	11
Metronidazole	Metronidazole	14	suppressed
Nitroglycerin	Nitroglycerin	14	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	13	suppressed
Bicalutamide	Bicalutamide	13	suppressed
Lagevrio (Eua)	Molnupiravir	13	13
Methotrexate	Methotrexate Sodium	13	suppressed
Nabumetone	Nabumetone	13	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Prednisolone Acetate	Prednisolone Acetate	13	suppressed
Sps	Sodium Polystyrene Sulfon/Sorb	13	suppressed
Tetrabenazine	Tetrabenazine	13	suppressed
Trintellix	Vortioxetine Hydrobromide	13	suppressed
Verapamil Er	Verapamil Hcl	13	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Glipizide Er	Glipizide	12	suppressed
Isosorbide Mononitrate	Isosorbide Mononitrate	12	suppressed
Lacosamide	Lacosamide	12	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	12	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	12	suppressed
Risedronate Sodium	Risedronate Sodium	12	suppressed
Rytary	Carbidopa/Levodopa	12	suppressed
Ursodiol	Ursodiol	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Atropine Sulfate	Atropine Sulfate	11	suppressed
Azithromycin	Azithromycin	11	suppressed
Brilinta	Ticagrelor	11	suppressed
Diazepam	Diazepam	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Dilt-Xr	Diltiazem Hcl	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Spironolactone-Hctz	Spironolact/Hydrochlorothiazid	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