Healthcare provider profile · identity verified

Sommer J Grant, ARNP

Nurse Practitioner · WATERLOO, IA · NPI 1235116153

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
Warfarin Sodium	Warfarin Sodium	529	15
Levothyroxine Sodium	Levothyroxine Sodium	400	64
Furosemide	Furosemide	304	76
Tramadol Hcl	Tramadol Hcl	298	69
Eliquis	Apixaban	296	39
Omeprazole	Omeprazole	260	43
Potassium Chloride	Potassium Chloride	257	56
Amlodipine Besylate	Amlodipine Besylate	235	35
Gabapentin	Gabapentin	217	40
Atorvastatin Calcium	Atorvastatin Calcium	215	48
Lorazepam	Lorazepam	208	50
Escitalopram Oxalate	Escitalopram Oxalate	194	37
Metoprolol Succinate	Metoprolol Succinate	187	41
Pantoprazole Sodium	Pantoprazole Sodium	177	39
Donepezil Hcl	Donepezil Hcl	166	29
Lisinopril	Lisinopril	137	23
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	136	48
Oxycodone Hcl	Oxycodone Hcl	132	42
Duloxetine Hcl	Duloxetine Hcl	122	20
Losartan Potassium	Losartan Potassium	119	23
Metoprolol Tartrate	Metoprolol Tartrate	109	27
Myrbetriq	Mirabegron	108	12
Famotidine	Famotidine	106	19
Memantine Hcl	Memantine Hcl	104	18
Allopurinol	Allopurinol	93	17
Cephalexin	Cephalexin	92	47
Carbidopa-Levodopa	Carbidopa/Levodopa	91	13
Quetiapine Fumarate	Quetiapine Fumarate	90	16
Simvastatin	Simvastatin	88	14
Metformin Hcl	Metformin Hcl	83	21
Rosuvastatin Calcium	Rosuvastatin Calcium	79	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	79	21
Alendronate Sodium	Alendronate Sodium	74	11
Bupropion Xl	Bupropion Hcl	74	suppressed
Buspirone Hcl	Buspirone Hcl	72	12
Clonazepam	Clonazepam	70	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	68	19
Clopidogrel	Clopidogrel Bisulfate	64	17
Trazodone Hcl	Trazodone Hcl	64	20
Jardiance	Empagliflozin	54	15
Carvedilol	Carvedilol	53	suppressed
Mirtazapine	Mirtazapine	53	14
Olanzapine	Olanzapine	53	suppressed
Citalopram Hbr	Citalopram Hydrobromide	52	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	52	28
Pregabalin	Pregabalin	52	14
Hydralazine Hcl	Hydralazine Hcl	49	15
Hydrochlorothiazide	Hydrochlorothiazide	49	suppressed
Metformin Hcl Er	Metformin Hcl	49	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	48	suppressed
Fluticasone Propionate	Fluticasone Propionate	44	20
Sertraline Hcl	Sertraline Hcl	44	15
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	44	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	43	suppressed
Meloxicam	Meloxicam	42	suppressed
Pravastatin Sodium	Pravastatin Sodium	42	suppressed
Amiodarone Hcl	Amiodarone Hcl	41	17
Januvia	Sitagliptin Phosphate	41	suppressed
Midodrine Hcl	Midodrine Hcl	41	17
Albuterol Sulfate Hfa	Albuterol Sulfate	40	25
Lantus	Insulin Glargine,hum.Rec.Anlog	39	11
Xarelto	Rivaroxaban	39	15
Finasteride	Finasteride	38	suppressed
Glimepiride	Glimepiride	38	suppressed
Montelukast Sodium	Montelukast Sodium	35	suppressed
Ondansetron Hcl	Ondansetron Hcl	35	32
Alprazolam	Alprazolam	33	suppressed
Bumetanide	Bumetanide	33	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	33	suppressed
Ropinirole Hcl	Ropinirole Hcl	32	suppressed
Latanoprost	Latanoprost	31	suppressed
Solifenacin Succinate	Solifenacin Succinate	31	suppressed
Torsemide	Torsemide	31	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	30	28
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	30	18
Esomeprazole Magnesium	Esomeprazole Magnesium	29	suppressed
Risperidone	Risperidone	29	suppressed
Trulicity	Dulaglutide	29	suppressed
Amantadine	Amantadine Hcl	28	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	28	suppressed
Prednisone	Prednisone	28	22
Baclofen	Baclofen	27	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	27	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	25	suppressed
Gemtesa	Vibegron	24	suppressed
Propranolol Hcl	Propranolol Hcl	24	suppressed
Humalog Kwikpen U-100	Insulin Lispro	23	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	23	23
Levofloxacin	Levofloxacin	21	20
Atenolol	Atenolol	20	suppressed
Azithromycin	Azithromycin	19	14
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	19	19
Celecoxib	Celecoxib	19	suppressed
Morphine Sulfate	Morphine Sulfate	19	11
Ezetimibe	Ezetimibe	18	suppressed
Insulin Lispro	Insulin Lispro	18	suppressed
Lorazepam Intensol	Lorazepam	18	16
Methotrexate	Methotrexate Sodium	18	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	18	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	17	suppressed
Levetiracetam	Levetiracetam	17	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	16	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Labetalol Hcl	Labetalol Hcl	16	suppressed
Lamotrigine	Lamotrigine	16	suppressed
Nystatin	Nystatin	16	13
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	16	12
Amoxicillin	Amoxicillin	15	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	15	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	15	suppressed
Entresto	Sacubitril/Valsartan	15	suppressed
Estradiol	Estradiol	15	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	15	suppressed
Prazosin Hcl	Prazosin Hcl	15	suppressed
Topiramate	Topiramate	15	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	14	suppressed
Creon	Lipase/Protease/Amylase	14	suppressed
Diltiazem Hcl	Diltiazem Hcl	14	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Nuedexta	Dextromethorphan Hbr/Quinidine	14	suppressed
Ozempic	Semaglutide	14	suppressed
Savella	Milnacipran Hcl	14	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Ceftriaxone	Ceftriaxone Sodium	13	11
Colestipol Hcl	Colestipol Hcl	13	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Divalproex Sodium	Divalproex Sodium	13	suppressed
Dutasteride	Dutasteride	13	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	13	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	13	suppressed
Letrozole	Letrozole	13	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	13	suppressed
Nabumetone	Nabumetone	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	13
Tolterodine Tartrate Er	Tolterodine Tartrate	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Atropine Sulfate	Atropine Sulfate	12	suppressed
Cholestyramine	Cholestyramine (With Sugar)	12	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Hydroxyurea	Hydroxyurea	12	suppressed
Lidocaine	Lidocaine	12	suppressed
Mirabegron Er	Mirabegron	12	suppressed
Nitroglycerin	Nitroglycerin	12	11
Ondansetron Odt	Ondansetron	12	11
Ramipril	Ramipril	12	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	11	suppressed
Diazepam	Diazepam	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	11	suppressed
Dropsafe Pen Needle	Pen Needle, Diabetic, Safety	11	suppressed
Loperamide	Loperamide Hcl	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