Healthcare provider profile · identity verified

Thomas R Cooke, D.O.

General Practice · CHEHALIS, WA · NPI 1255427902

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	410	108
Levothyroxine Sodium	Levothyroxine Sodium	342	92
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	328	54
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	323	54
Oxycodone Hcl	Oxycodone Hcl	289	44
Losartan Potassium	Losartan Potassium	247	73
Gabapentin	Gabapentin	221	52
Albuterol Sulfate Hfa	Albuterol Sulfate	212	60
Trazodone Hcl	Trazodone Hcl	204	58
Lisinopril	Lisinopril	197	58
Amlodipine Besylate	Amlodipine Besylate	196	51
Pantoprazole Sodium	Pantoprazole Sodium	189	58
Tamsulosin Hcl	Tamsulosin Hcl	173	51
Hydrochlorothiazide	Hydrochlorothiazide	165	52
Omeprazole	Omeprazole	165	45
Furosemide	Furosemide	163	48
Metoprolol Succinate	Metoprolol Succinate	157	42
Tizanidine Hcl	Tizanidine Hcl	148	39
Eliquis	Apixaban	138	27
Ondansetron Odt	Ondansetron	124	38
Fluoxetine Hcl	Fluoxetine Hcl	120	30
Metformin Hcl	Metformin Hcl	119	39
Sertraline Hcl	Sertraline Hcl	118	33
Montelukast Sodium	Montelukast Sodium	115	34
Prednisone	Prednisone	113	47
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	111	27
Rosuvastatin Calcium	Rosuvastatin Calcium	105	31
Metformin Hcl Er	Metformin Hcl	103	34
Carvedilol	Carvedilol	98	24
Metoprolol Tartrate	Metoprolol Tartrate	97	32
Potassium Chloride	Potassium Chloride	96	30
Famotidine	Famotidine	95	24
Baclofen	Baclofen	84	23
Mounjaro	Tirzepatide	83	15
Tramadol Hcl	Tramadol Hcl	83	21
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	82	16
Duloxetine Hcl	Duloxetine Hcl	80	19
Diclofenac Sodium	Diclofenac Sodium	79	22
Clopidogrel	Clopidogrel Bisulfate	78	24
Simvastatin	Simvastatin	77	21
Oxybutynin Chloride Er	Oxybutynin Chloride	72	21
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	69	41
Jardiance	Empagliflozin	68	17
Fluconazole	Fluconazole	66	22
Hydralazine Hcl	Hydralazine Hcl	66	13
Morphine Sulfate Er	Morphine Sulfate	66	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	64	suppressed
Mirtazapine	Mirtazapine	63	19
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	61	15
Estradiol	Estradiol	57	12
Methocarbamol	Methocarbamol	57	12
Meloxicam	Meloxicam	56	16
Ozempic	Semaglutide	56	suppressed
Bupropion Xl	Bupropion Hcl	54	13
Finasteride	Finasteride	51	17
Azithromycin	Azithromycin	50	40
Fentanyl	Fentanyl	50	suppressed
Ibuprofen	Ibuprofen	50	16
Trulicity	Dulaglutide	50	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	49	suppressed
Methylprednisolone	Methylprednisolone	49	38
Doxycycline Hyclate	Doxycycline Hyclate	48	23
Synthroid	Levothyroxine Sodium	48	suppressed
Glipizide Er	Glipizide	47	13
Escitalopram Oxalate	Escitalopram Oxalate	46	13
Allopurinol	Allopurinol	45	12
Fluticasone Propionate	Fluticasone Propionate	45	21
Sumatriptan Succinate	Sumatriptan Succinate	45	suppressed
Ondansetron Hcl	Ondansetron Hcl	44	suppressed
Alprazolam	Alprazolam	43	12
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	43	26
Aripiprazole	Aripiprazole	41	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	41	11
Pregabalin	Pregabalin	41	13
Lorazepam	Lorazepam	40	15
Pravastatin Sodium	Pravastatin Sodium	40	12
Venlafaxine Hcl Er	Venlafaxine Hcl	40	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	39	suppressed
Torsemide	Torsemide	39	suppressed
Ropinirole Hcl	Ropinirole Hcl	38	suppressed
Enalapril Maleate	Enalapril Maleate	37	11
Verapamil Er	Verapamil Hcl	37	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	37	suppressed
Lubiprostone	Lubiprostone	36	suppressed
Atenolol	Atenolol	35	suppressed
Donepezil Hcl	Donepezil Hcl	33	11
Pioglitazone Hcl	Pioglitazone Hcl	33	suppressed
Rizatriptan	Rizatriptan Benzoate	33	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	32	suppressed
Promethazine Hcl	Promethazine Hcl	32	11
Quetiapine Fumarate	Quetiapine Fumarate	32	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	31	20
Triamcinolone Acetonide	Triamcinolone Acetonide	31	19
Hydroxyzine Pamoate	Hydroxyzine Pamoate	30	15
Spironolactone	Spironolactone	30	13
Cefdinir	Cefdinir	29	21
Digoxin	Digoxin	29	suppressed
Glimepiride	Glimepiride	29	suppressed
Topiramate	Topiramate	29	suppressed
Citalopram Hbr	Citalopram Hydrobromide	28	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	28	suppressed
Warfarin Sodium	Warfarin Sodium	28	suppressed
Alendronate Sodium	Alendronate Sodium	27	suppressed
Vraylar	Cariprazine Hcl	27	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	26	suppressed
Lovastatin	Lovastatin	26	suppressed
Ipratropium Bromide	Ipratropium Bromide	25	14
Levetiracetam	Levetiracetam	25	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	24	suppressed
Buspirone Hcl	Buspirone Hcl	24	suppressed
Clindamycin Hcl	Clindamycin Hcl	24	12
Clonazepam	Clonazepam	24	suppressed
Farxiga	Dapagliflozin Propanediol	24	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	24	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	23	suppressed
Cephalexin	Cephalexin	23	19
Glipizide	Glipizide	23	suppressed
Meclizine Hcl	Meclizine Hcl	23	suppressed
Pentoxifylline	Pentoxifylline	23	suppressed
Valsartan	Valsartan	23	suppressed
Clonidine Hcl	Clonidine Hcl	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	22	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	22	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	22	suppressed
Prazosin Hcl	Prazosin Hcl	22	suppressed
Risperidone	Risperidone	22	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	21	suppressed
Acyclovir	Acyclovir	20	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	20	suppressed
Carbamazepine	Carbamazepine	20	suppressed
Diazepam	Diazepam	20	suppressed
Divalproex Sodium Er	Divalproex Sodium	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Humalog Kwikpen U-100	Insulin Lispro	20	suppressed
Nitroglycerin	Nitroglycerin	20	14
Nystatin	Nystatin	20	suppressed
Paroxetine Hcl	Paroxetine Hcl	20	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	20	suppressed
Xarelto	Rivaroxaban	20	suppressed
Valacyclovir	Valacyclovir Hcl	19	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	18	suppressed
Amoxicillin	Amoxicillin	17	11
Novolog Flexpen	Insulin Aspart	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Sucralfate	Sucralfate	17	suppressed
Carbamazepine Er	Carbamazepine	16	suppressed
Levofloxacin	Levofloxacin	16	14
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	16	suppressed
Spiriva Handihaler	Tiotropium Bromide	16	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Humalog Mix 75-25	Insulin Lispro Protamin/Lispro	15	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	15	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Metolazone	Metolazone	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Arnuity Ellipta	Fluticasone Furoate	13	suppressed
Divalproex Sodium	Divalproex Sodium	13	suppressed
Folic Acid	Folic Acid	13	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	13	suppressed
Hydroxyurea	Hydroxyurea	13	suppressed
Ketorolac Tromethamine	Ketorolac Tromethamine	13	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	13	suppressed
Solifenacin Succinate	Solifenacin Succinate	13	suppressed
Fenofibrate	Fenofibrate,micronized	12	suppressed
Liothyronine Sodium	Liothyronine Sodium	12	suppressed
Loperamide	Loperamide Hcl	12	suppressed
Morphine Sulfate	Morphine Sulfate	12	suppressed
Olanzapine	Olanzapine	12	suppressed
Ssd	Silver Sulfadiazine	12	suppressed
Testosterone	Testosterone	12	suppressed
Tobramycin	Tobramycin	12	suppressed
Tresiba Flextouch U-200	Insulin Degludec	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Alcohol Swabs	Alcohol Antiseptic Pads	11	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	11	suppressed
Methylphenidate Er	Methylphenidate 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