Healthcare provider profile · identity verified

Gerhard Aron Fast, MD

Family Practice · HESSTON, KS · NPI 1295992121

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	636	79
Furosemide	Furosemide	609	67
Omeprazole	Omeprazole	590	72
Escitalopram Oxalate	Escitalopram Oxalate	497	53
Atorvastatin Calcium	Atorvastatin Calcium	456	70
Losartan Potassium	Losartan Potassium	438	76
Amlodipine Besylate	Amlodipine Besylate	424	63
Potassium Chloride	Potassium Chloride	393	39
Finasteride	Finasteride	352	38
Gabapentin	Gabapentin	339	43
Tamsulosin Hcl	Tamsulosin Hcl	335	53
Spironolactone	Spironolactone	317	42
Buspirone Hcl	Buspirone Hcl	300	27
Metformin Hcl	Metformin Hcl	279	40
Metoprolol Succinate	Metoprolol Succinate	273	34
Lisinopril	Lisinopril	268	47
Trazodone Hcl	Trazodone Hcl	261	27
Warfarin Sodium	Warfarin Sodium	259	13
Pantoprazole Sodium	Pantoprazole Sodium	246	37
Famotidine	Famotidine	243	28
Eliquis	Apixaban	237	21
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	233	44
Clopidogrel	Clopidogrel Bisulfate	226	23
Simvastatin	Simvastatin	224	28
Sertraline Hcl	Sertraline Hcl	223	24
Duloxetine Hcl	Duloxetine Hcl	205	18
Mirtazapine	Mirtazapine	202	16
Rosuvastatin Calcium	Rosuvastatin Calcium	185	23
Carvedilol	Carvedilol	179	22
Hydrochlorothiazide	Hydrochlorothiazide	177	29
Tramadol Hcl	Tramadol Hcl	177	25
Montelukast Sodium	Montelukast Sodium	153	19
Donepezil Hcl	Donepezil Hcl	143	14
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	139	139
Metoprolol Tartrate	Metoprolol Tartrate	125	21
Xarelto	Rivaroxaban	109	11
Cephalexin	Cephalexin	105	46
Baclofen	Baclofen	103	11
Fluticasone Propionate	Fluticasone Propionate	103	30
Lorazepam	Lorazepam	94	25
Pravastatin Sodium	Pravastatin Sodium	94	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	92	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	91	68
Meloxicam	Meloxicam	90	16
Venlafaxine Hcl Er	Venlafaxine Hcl	90	12
Ropinirole Hcl	Ropinirole Hcl	84	suppressed
Digoxin	Digoxin	78	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	69	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	68	suppressed
Sucralfate	Sucralfate	68	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	68	11
Allopurinol	Allopurinol	66	16
Midodrine Hcl	Midodrine Hcl	66	suppressed
Citalopram Hbr	Citalopram Hydrobromide	64	12
Levetiracetam	Levetiracetam	64	suppressed
Amiodarone Hcl	Amiodarone Hcl	63	suppressed
Paroxetine Hcl	Paroxetine Hcl	63	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	62	suppressed
Ondansetron Odt	Ondansetron	62	33
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	61	11
Metformin Hcl Er	Metformin Hcl	61	14
Atenolol	Atenolol	60	12
Memantine Hcl	Memantine Hcl	60	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	59	suppressed
Bumetanide	Bumetanide	58	suppressed
Bupropion Xl	Bupropion Hcl	58	11
Prednisone	Prednisone	58	33
Synthroid	Levothyroxine Sodium	58	suppressed
Rybelsus	Semaglutide	57	11
Entresto	Sacubitril/Valsartan	54	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	54	suppressed
Myrbetriq	Mirabegron	54	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	54	31
Amitriptyline Hcl	Amitriptyline Hcl	53	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	51	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	50	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	48	41
Pregabalin	Pregabalin	48	suppressed
Azithromycin	Azithromycin	45	20
Alendronate Sodium	Alendronate Sodium	44	suppressed
Alprazolam	Alprazolam	44	12
Albuterol Sulfate Hfa	Albuterol Sulfate	43	16
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	41	11
Labetalol Hcl	Labetalol Hcl	40	suppressed
Oxycodone Hcl	Oxycodone Hcl	39	12
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	39	22
Azathioprine	Azathioprine	38	suppressed
Jardiance	Empagliflozin	38	suppressed
Amoxicillin	Amoxicillin	37	28
Hydralazine Hcl	Hydralazine Hcl	37	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	37	24
Verapamil Er	Verapamil Hcl	37	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	36	27
Doxazosin Mesylate	Doxazosin Mesylate	36	suppressed
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	35	35
Isosorbide Mononitrate Er	Isosorbide Mononitrate	35	suppressed
Ondansetron Hcl	Ondansetron Hcl	35	16
Tradjenta	Linagliptin	34	suppressed
Torsemide	Torsemide	33	suppressed
Januvia	Sitagliptin Phosphate	31	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	31	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	31	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	30	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	30	suppressed
Methenamine Hippurate	Methenamine Hippurate	30	suppressed
Diltiazem Hcl	Diltiazem Hcl	29	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	29	suppressed
Novolog Flexpen	Insulin Aspart	29	suppressed
Diclofenac Sodium	Diclofenac Sodium	28	12
Ozempic	Semaglutide	28	suppressed
Benazepril Hcl	Benazepril Hcl	27	suppressed
Celecoxib	Celecoxib	27	suppressed
Scopolamine	Scopolamine	27	suppressed
Propranolol Hcl Er	Propranolol Hcl	26	suppressed
Terazosin Hcl	Terazosin Hcl	26	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	25	suppressed
Eszopiclone	Eszopiclone	25	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	25	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Morphine Sulfate Er	Morphine Sulfate	25	suppressed
Tizanidine Hcl	Tizanidine Hcl	25	suppressed
Verapamil Er Pm	Verapamil Hcl	25	suppressed
Glipizide	Glipizide	24	suppressed
Mresvia	Rsv Vaccine, Pref, Mrna/Pf	24	24
Mupirocin	Mupirocin	24	16
Risperidone	Risperidone	24	suppressed
Pyridostigmine Bromide	Pyridostigmine Bromide	23	suppressed
Terbinafine Hcl	Terbinafine Hcl	23	12
Acetaminophen-Codeine	Acetaminophen With Codeine	22	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Bupropion Hcl Sr	Bupropion Hcl	22	suppressed
Cefdinir	Cefdinir	22	21
Lansoprazole	Lansoprazole	22	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	22	suppressed
Nystatin	Nystatin	22	suppressed
Nystop	Nystatin	22	suppressed
Divalproex Sodium	Divalproex Sodium	21	suppressed
Ramipril	Ramipril	21	suppressed
Budesonide	Budesonide	19	suppressed
Telmisartan	Telmisartan	19	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Valsartan	Valsartan	19	suppressed
Nitroglycerin	Nitroglycerin	18	14
Primidone	Primidone	18	suppressed
Sotalol	Sotalol Hcl	18	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Loperamide	Loperamide Hcl	17	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	17	suppressed
Topiramate	Topiramate	17	suppressed
Enalapril Maleate	Enalapril Maleate	16	suppressed
Estradiol	Estradiol	16	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	16	suppressed
Unifine Safecontrol Pen Needle	Pen Needle,dual Safety,diabetc	16	suppressed
Farxiga	Dapagliflozin Propanediol	15	suppressed
Hydrocortisone	Hydrocortisone	15	suppressed
Mesalamine Er	Mesalamine	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	11
Lovastatin	Lovastatin	14	suppressed
Metronidazole	Metronidazole	14	13
Propranolol Hcl	Propranolol Hcl	14	suppressed
Atomoxetine Hcl	Atomoxetine Hcl	13	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Divigel	Estradiol	13	suppressed
Fluconazole	Fluconazole	13	suppressed
Galantamine Hbr	Galantamine Hbr	13	suppressed
Letrozole	Letrozole	13	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	13	suppressed
Morphine Sulfate	Morphine Sulfate	13	12
Tolterodine Tartrate	Tolterodine Tartrate	13	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	13	suppressed
Anastrozole	Anastrozole	12	suppressed
Benztropine Mesylate	Benztropine Mesylate	12	suppressed
Calcitriol	Calcitriol	12	suppressed
Carbamazepine	Carbamazepine	12	suppressed
Chlorthalidone	Chlorthalidone	12	suppressed
Cilostazol	Cilostazol	12	suppressed
Clonazepam	Clonazepam	12	suppressed
Divalproex Sodium Er	Divalproex Sodium	12	suppressed
Invokana	Canagliflozin	12	suppressed
Nifedipine Er	Nifedipine	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Ranolazine Er	Ranolazine	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Linzess	Linaclotide	11	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	11	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	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