Healthcare provider profile · identity verified

Christopher Charles Gray, D.O.

Family Practice · FESTUS, MO · NPI 1437306297

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	610	234
Omeprazole	Omeprazole	327	107
Lisinopril	Lisinopril	314	119
Amlodipine Besylate	Amlodipine Besylate	311	118
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	277	80
Levothyroxine Sodium	Levothyroxine Sodium	258	95
Alprazolam	Alprazolam	252	57
Gabapentin	Gabapentin	248	103
Tramadol Hcl	Tramadol Hcl	240	61
Rosuvastatin Calcium	Rosuvastatin Calcium	223	96
Losartan Potassium	Losartan Potassium	203	78
Metoprolol Succinate	Metoprolol Succinate	201	75
Meloxicam	Meloxicam	195	69
Lorazepam	Lorazepam	187	43
Hydrochlorothiazide	Hydrochlorothiazide	184	74
Pantoprazole Sodium	Pantoprazole Sodium	173	75
Prednisone	Prednisone	170	125
Trazodone Hcl	Trazodone Hcl	166	59
Metformin Hcl	Metformin Hcl	163	75
Zolpidem Tartrate	Zolpidem Tartrate	158	27
Albuterol Sulfate Hfa	Albuterol Sulfate	155	65
Ozempic	Semaglutide	154	27
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	141	46
Tizanidine Hcl	Tizanidine Hcl	140	66
Furosemide	Furosemide	133	58
Duloxetine Hcl	Duloxetine Hcl	127	45
Citalopram Hbr	Citalopram Hydrobromide	125	48
Simvastatin	Simvastatin	122	47
Tamsulosin Hcl	Tamsulosin Hcl	117	46
Doxycycline Hyclate	Doxycycline Hyclate	110	88
Fluoxetine Hcl	Fluoxetine Hcl	105	28
Allopurinol	Allopurinol	104	46
Eliquis	Apixaban	103	28
Montelukast Sodium	Montelukast Sodium	102	45
Metformin Hcl Er	Metformin Hcl	97	37
Carvedilol	Carvedilol	95	30
Metoprolol Tartrate	Metoprolol Tartrate	94	39
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	92	22
Amoxicillin	Amoxicillin	89	75
Escitalopram Oxalate	Escitalopram Oxalate	85	28
Celecoxib	Celecoxib	84	22
Pravastatin Sodium	Pravastatin Sodium	75	25
Clonazepam	Clonazepam	73	19
Fluticasone Propionate	Fluticasone Propionate	72	29
Pregabalin	Pregabalin	72	18
Oxycodone Hcl	Oxycodone Hcl	70	16
Potassium Chloride	Potassium Chloride	69	31
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	67	28
Glipizide	Glipizide	67	27
Atenolol	Atenolol	64	20
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	64	47
Ciprofloxacin Hcl	Ciprofloxacin Hcl	61	55
Ropinirole Hcl	Ropinirole Hcl	60	21
Sertraline Hcl	Sertraline Hcl	60	28
Bupropion Xl	Bupropion Hcl	59	22
Januvia	Sitagliptin Phosphate	58	14
Clopidogrel	Clopidogrel Bisulfate	57	20
Azithromycin	Azithromycin	56	51
Meclizine Hcl	Meclizine Hcl	55	29
Triamcinolone Acetonide	Triamcinolone Acetonide	55	31
Famotidine	Famotidine	49	19
Venlafaxine Hcl Er	Venlafaxine Hcl	48	17
Cephalexin	Cephalexin	45	27
Naproxen	Naproxen	45	15
Xarelto	Rivaroxaban	45	12
Alendronate Sodium	Alendronate Sodium	44	24
Glimepiride	Glimepiride	44	22
Buspirone Hcl	Buspirone Hcl	43	17
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	43	18
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	42	40
Fluconazole	Fluconazole	42	34
Jardiance	Empagliflozin	41	12
Methylprednisolone	Methylprednisolone	41	38
Spironolactone	Spironolactone	41	15
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	40	13
Oxybutynin Chloride Er	Oxybutynin Chloride	40	11
Trulicity	Dulaglutide	40	suppressed
Donepezil Hcl	Donepezil Hcl	39	11
Hydroxyzine Hcl	Hydroxyzine Hcl	38	16
Ondansetron Hcl	Ondansetron Hcl	38	15
Ventolin Hfa	Albuterol Sulfate	38	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	37	37
Diazepam	Diazepam	37	17
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	37	11
Warfarin Sodium	Warfarin Sodium	36	suppressed
Finasteride	Finasteride	35	14
Oxybutynin Chloride	Oxybutynin Chloride	35	17
Quetiapine Fumarate	Quetiapine Fumarate	35	suppressed
Mirtazapine	Mirtazapine	34	11
Temazepam	Temazepam	34	suppressed
Lovastatin	Lovastatin	33	13
Lurasidone Hcl	Lurasidone Hcl	33	suppressed
Primidone	Primidone	33	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	14
Acetaminophen-Codeine	Acetaminophen With Codeine	30	suppressed
Memantine Hcl	Memantine Hcl	30	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	30	12
Amitriptyline Hcl	Amitriptyline Hcl	29	suppressed
Mounjaro	Tirzepatide	28	suppressed
Valacyclovir	Valacyclovir Hcl	28	13
Ezetimibe	Ezetimibe	27	12
Nystatin	Nystatin	26	16
Dicyclomine Hcl	Dicyclomine Hcl	25	13
Eszopiclone	Eszopiclone	25	suppressed
Hydralazine Hcl	Hydralazine Hcl	25	11
Ibuprofen	Ibuprofen	25	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	25	13
Topiramate	Topiramate	25	suppressed
Gemfibrozil	Gemfibrozil	24	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	24	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	24	suppressed
Chlorthalidone	Chlorthalidone	23	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	23	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	23	suppressed
Dilt-Xr	Diltiazem Hcl	21	suppressed
Acyclovir	Acyclovir	20	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	20	suppressed
Ondansetron Odt	Ondansetron	20	15
Pioglitazone Hcl	Pioglitazone Hcl	20	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	20	suppressed
Propranolol Hcl	Propranolol Hcl	20	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	20	18
Glyburide	Glyburide	19	suppressed
Myrbetriq	Mirabegron	19	suppressed
Terbinafine Hcl	Terbinafine Hcl	19	suppressed
Testosterone Cypionate	Testosterone Cypionate	19	suppressed
Clobetasol Propionate	Clobetasol Propionate	18	11
Symbicort	Budesonide/Formoterol Fumarate	18	suppressed
Baclofen	Baclofen	17	suppressed
Fenofibrate	Fenofibrate	17	suppressed
Irbesartan	Irbesartan	17	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	17	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	17	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	17	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	16	suppressed
Ipratropium Bromide	Ipratropium Bromide	16	suppressed
Levetiracetam	Levetiracetam	16	suppressed
Methotrexate	Methotrexate Sodium	16	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	16	16
Chlorhexidine Gluconate	Chlorhexidine Gluconate	15	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	15	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	15	suppressed
Metronidazole	Metronidazole	15	suppressed
Mupirocin	Mupirocin	15	suppressed
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Terazosin Hcl	Terazosin Hcl	15	suppressed
Tradjenta	Linagliptin	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	14	suppressed
Cefdinir	Cefdinir	14	14
Methocarbamol	Methocarbamol	14	suppressed
Piroxicam	Piroxicam	14	suppressed
Valsartan	Valsartan	14	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	13	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	13	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	13	suppressed
Sucralfate	Sucralfate	13	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	13	suppressed
Colchicine	Colchicine	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Levemir Flexpen	Insulin Detemir	12	suppressed
Lidocaine	Lidocaine	12	suppressed
Neomycin-Polymyxin-Hc	Neomycin/Polymyxin B/Hydrocort	12	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	12	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	12	suppressed
Humulin N	Insulin Nph Human Isophane	11	suppressed
Humulin R	Insulin Regular, Human	11	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	11	suppressed
Lacosamide	Lacosamide	11	suppressed
Raloxifene Hcl	Raloxifene Hcl	11	suppressed
Spiriva Handihaler	Tiotropium Bromide	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