Healthcare provider profile · identity verified

Christopher A Shearer, DO

Internal Medicine · ENID, OK · NPI 1104825231

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	591	161
Levothyroxine Sodium	Levothyroxine Sodium	455	120
Pantoprazole Sodium	Pantoprazole Sodium	421	104
Losartan Potassium	Losartan Potassium	397	108
Amlodipine Besylate	Amlodipine Besylate	355	95
Gabapentin	Gabapentin	328	90
Omeprazole	Omeprazole	315	84
Hydrochlorothiazide	Hydrochlorothiazide	312	87
Potassium Chloride	Potassium Chloride	270	91
Metoprolol Succinate	Metoprolol Succinate	269	75
Tramadol Hcl	Tramadol Hcl	251	56
Furosemide	Furosemide	241	82
Sertraline Hcl	Sertraline Hcl	240	56
Rosuvastatin Calcium	Rosuvastatin Calcium	234	72
Glimepiride	Glimepiride	192	53
Lisinopril	Lisinopril	192	58
Tamsulosin Hcl	Tamsulosin Hcl	191	56
Meloxicam	Meloxicam	180	51
Metformin Hcl	Metformin Hcl	175	54
Trazodone Hcl	Trazodone Hcl	168	50
Methylprednisolone	Methylprednisolone	148	115
Simvastatin	Simvastatin	142	37
Allopurinol	Allopurinol	138	37
Eliquis	Apixaban	138	21
Ozempic	Semaglutide	134	22
Metformin Hcl Er	Metformin Hcl	129	45
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	122	30
Clopidogrel	Clopidogrel Bisulfate	116	33
Metoprolol Tartrate	Metoprolol Tartrate	116	35
Tizanidine Hcl	Tizanidine Hcl	113	50
Pravastatin Sodium	Pravastatin Sodium	108	31
Donepezil Hcl	Donepezil Hcl	102	22
Zolpidem Tartrate	Zolpidem Tartrate	102	18
Citalopram Hbr	Citalopram Hydrobromide	99	27
Famotidine	Famotidine	92	25
Valsartan	Valsartan	89	25
Nabumetone	Nabumetone	87	26
Montelukast Sodium	Montelukast Sodium	86	24
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	80	23
Levofloxacin	Levofloxacin	78	73
Carvedilol	Carvedilol	76	24
Duloxetine Hcl	Duloxetine Hcl	76	17
Ropinirole Hcl	Ropinirole Hcl	76	17
Alendronate Sodium	Alendronate Sodium	75	24
Prednisone	Prednisone	75	60
Fluticasone Propionate	Fluticasone Propionate	74	24
Irbesartan	Irbesartan	74	20
Jardiance	Empagliflozin	73	15
Albuterol Sulfate Hfa	Albuterol Sulfate	71	32
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	71	19
Xarelto	Rivaroxaban	69	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	67	17
Pioglitazone Hcl	Pioglitazone Hcl	63	21
Esomeprazole Magnesium	Esomeprazole Magnesium	62	16
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	62	suppressed
Trulicity	Dulaglutide	62	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	61	15
Lorazepam	Lorazepam	58	12
Bupropion Xl	Bupropion Hcl	57	13
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	56	16
Alprazolam	Alprazolam	55	suppressed
Spironolactone	Spironolactone	55	18
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	53	43
Buspirone Hcl	Buspirone Hcl	53	14
Benazepril Hcl	Benazepril Hcl	51	11
Clonidine Hcl	Clonidine Hcl	50	20
Escitalopram Oxalate	Escitalopram Oxalate	48	14
Tradjenta	Linagliptin	47	suppressed
Hydralazine Hcl	Hydralazine Hcl	46	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	46	13
Amitriptyline Hcl	Amitriptyline Hcl	42	suppressed
Finasteride	Finasteride	42	11
Paroxetine Hcl	Paroxetine Hcl	42	12
Myrbetriq	Mirabegron	41	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	39	suppressed
Clindamycin Hcl	Clindamycin Hcl	38	29
Farxiga	Dapagliflozin Propanediol	38	suppressed
Januvia	Sitagliptin Phosphate	38	suppressed
Cefdinir	Cefdinir	37	30
Glipizide	Glipizide	37	suppressed
Mounjaro	Tirzepatide	37	suppressed
Synthroid	Levothyroxine Sodium	36	suppressed
Atenolol	Atenolol	33	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	33	suppressed
Mirtazapine	Mirtazapine	33	suppressed
Levetiracetam	Levetiracetam	32	suppressed
Pregabalin	Pregabalin	31	suppressed
Azithromycin	Azithromycin	30	28
Colestipol Hcl	Colestipol Hcl	30	suppressed
Fluconazole	Fluconazole	30	23
Temazepam	Temazepam	30	suppressed
Celecoxib	Celecoxib	29	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	29	suppressed
Linzess	Linaclotide	29	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	29	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	27	14
Isosorbide Mononitrate Er	Isosorbide Mononitrate	27	suppressed
Tresiba Flextouch U-200	Insulin Degludec	26	suppressed
Dexlansoprazole Dr	Dexlansoprazole	25	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	25	suppressed
Ventolin Hfa	Albuterol Sulfate	25	13
Lovastatin	Lovastatin	24	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	24	suppressed
Ezetimibe	Ezetimibe	23	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Chlorthalidone	Chlorthalidone	22	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	22	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	22	suppressed
Torsemide	Torsemide	22	suppressed
Warfarin Sodium	Warfarin Sodium	22	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	21	suppressed
Propranolol Hcl	Propranolol Hcl	21	suppressed
Baclofen	Baclofen	20	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	20	suppressed
Insulin Lispro	Insulin Lispro	20	suppressed
Fenofibrate	Fenofibrate	19	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	suppressed
Bupropion Hcl Sr	Bupropion Hcl	18	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	18	suppressed
Enalapril Maleate	Enalapril Maleate	18	suppressed
Estradiol	Estradiol	18	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	18	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	18	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Novolog Flexpen	Insulin Aspart	18	suppressed
Verapamil Er	Verapamil Hcl	18	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	17	suppressed
Ondansetron Hcl	Ondansetron Hcl	17	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	17	suppressed
Nebivolol Hcl	Nebivolol Hcl	16	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	16	16
Telmisartan	Telmisartan	16	suppressed
Valacyclovir	Valacyclovir Hcl	16	14
Memantine Hcl	Memantine Hcl	15	suppressed
Olanzapine	Olanzapine	15	suppressed
Ondansetron Odt	Ondansetron	15	13
Testosterone Cypionate	Testosterone Cypionate	15	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	14	suppressed
Loperamide	Loperamide Hcl	14	suppressed
Albuterol Sulfate	Albuterol Sulfate	13	suppressed
Bumetanide	Bumetanide	13	suppressed
Ipratropium Bromide	Ipratropium Bromide	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Tresiba Flextouch U-100	Insulin Degludec	13	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Clonazepam	Clonazepam	12	suppressed
Doxepin Hcl	Doxepin Hcl	12	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	12	suppressed
Bydureon Bcise	Exenatide Microspheres	11	suppressed
Digoxin	Digoxin	11	suppressed
Hyzaar	Losartan/Hydrochlorothiazide	11	suppressed
Midodrine Hcl	Midodrine Hcl	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	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