Healthcare provider profile · identity verified

Don H Allison, MD

Family Practice · MOSSYROCK, WA · NPI 1467439414

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	527	152
Amlodipine Besylate	Amlodipine Besylate	311	83
Losartan Potassium	Losartan Potassium	247	69
Lisinopril	Lisinopril	236	64
Levothyroxine Sodium	Levothyroxine Sodium	208	55
Metformin Hcl	Metformin Hcl	199	51
Gabapentin	Gabapentin	178	43
Albuterol Sulfate Hfa	Albuterol Sulfate	159	38
Tamsulosin Hcl	Tamsulosin Hcl	132	41
Metoprolol Succinate	Metoprolol Succinate	127	40
Omeprazole	Omeprazole	124	36
Trazodone Hcl	Trazodone Hcl	121	29
Duloxetine Hcl	Duloxetine Hcl	104	24
Metoprolol Tartrate	Metoprolol Tartrate	90	21
Furosemide	Furosemide	89	30
Jardiance	Empagliflozin	88	22
Atenolol	Atenolol	76	21
Pantoprazole Sodium	Pantoprazole Sodium	72	16
Fluoxetine Hcl	Fluoxetine Hcl	71	14
Eliquis	Apixaban	70	15
Fluticasone Propionate	Fluticasone Propionate	65	33
Sertraline Hcl	Sertraline Hcl	65	18
Glipizide	Glipizide	62	14
Metformin Hcl Er	Metformin Hcl	62	17
Hydrochlorothiazide	Hydrochlorothiazide	61	17
Tizanidine Hcl	Tizanidine Hcl	61	17
Buspirone Hcl	Buspirone Hcl	59	12
Rosuvastatin Calcium	Rosuvastatin Calcium	55	17
Allopurinol	Allopurinol	54	19
Citalopram Hbr	Citalopram Hydrobromide	54	11
Carvedilol	Carvedilol	53	15
Finasteride	Finasteride	53	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	51	13
Spironolactone	Spironolactone	49	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	46	15
Potassium Chloride	Potassium Chloride	45	13
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	44	14
Pravastatin Sodium	Pravastatin Sodium	44	11
Warfarin Sodium	Warfarin Sodium	43	suppressed
Oxycodone Hcl	Oxycodone Hcl	42	suppressed
Januvia	Sitagliptin Phosphate	39	suppressed
Alendronate Sodium	Alendronate Sodium	38	suppressed
Paroxetine Hcl	Paroxetine Hcl	34	suppressed
Spiriva Handihaler	Tiotropium Bromide	34	suppressed
Diclofenac Sodium	Diclofenac Sodium	33	suppressed
Meloxicam	Meloxicam	31	suppressed
Synthroid	Levothyroxine Sodium	31	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	30	suppressed
Ozempic	Semaglutide	30	suppressed
Simvastatin	Simvastatin	30	suppressed
Glipizide Er	Glipizide	29	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	28	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	28	suppressed
Clotrimazole	Clotrimazole	27	17
Xarelto	Rivaroxaban	27	suppressed
Ropinirole Hcl	Ropinirole Hcl	26	suppressed
Baclofen	Baclofen	25	suppressed
Loperamide	Loperamide Hcl	25	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	24	suppressed
Ventolin Hfa	Albuterol Sulfate	24	suppressed
Bupropion Hcl Sr	Bupropion Hcl	23	suppressed
Chlorthalidone	Chlorthalidone	23	suppressed
Donepezil Hcl	Donepezil Hcl	23	suppressed
Montelukast Sodium	Montelukast Sodium	23	suppressed
Terazosin Hcl	Terazosin Hcl	23	suppressed
Lovastatin	Lovastatin	22	suppressed
Tramadol Hcl	Tramadol Hcl	22	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	21	suppressed
Memantine Hcl	Memantine Hcl	21	suppressed
Nifedipine Er	Nifedipine	21	suppressed
Ezetimibe	Ezetimibe	20	suppressed
Nitroglycerin	Nitroglycerin	20	suppressed
Humalog Kwikpen U-100	Insulin Lispro	19	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	18	suppressed
Propranolol Hcl	Propranolol Hcl	18	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	18	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	18	suppressed
Doxepin Hcl	Doxepin Hcl	17	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	17	suppressed
Symbicort	Budesonide/Formoterol Fumarate	17	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	16	suppressed
Nystatin	Nystatin	16	suppressed
Olanzapine	Olanzapine	16	suppressed
Spiriva Respimat	Tiotropium Bromide	16	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	15	suppressed
Cephalexin	Cephalexin	15	suppressed
Amiodarone Hcl	Amiodarone Hcl	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Alprazolam	Alprazolam	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	13	12
Clonazepam	Clonazepam	13	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	13	suppressed
Estradiol	Estradiol	13	suppressed
Famotidine	Famotidine	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	13	suppressed
Trulicity	Dulaglutide	13	suppressed
Clopidogrel	Clopidogrel Bisulfate	12	suppressed
Dexmethylphenidate Hcl Er	Dexmethylphenidate Hcl	12	suppressed
Memantine Hcl Er	Memantine Hcl	12	suppressed
Methylphenidate Er	Methylphenidate Hcl	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Glimepiride	Glimepiride	11	suppressed
Prednisone	Prednisone	11	suppressed
Testosterone Cypionate	Testosterone Cypionate	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	11	suppressed
Ursodiol	Ursodiol	11	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	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