Healthcare provider profile · identity verified

Donald A Brunk, MD

Family Practice · BELLINGHAM, WA · NPI 1740270131

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
Gabapentin	Gabapentin	256	52
Lisinopril	Lisinopril	161	42
Atorvastatin Calcium	Atorvastatin Calcium	153	40
Losartan Potassium	Losartan Potassium	151	40
Metoprolol Succinate	Metoprolol Succinate	150	37
Albuterol Sulfate Hfa	Albuterol Sulfate	146	36
Trazodone Hcl	Trazodone Hcl	144	28
Levothyroxine Sodium	Levothyroxine Sodium	116	27
Tamsulosin Hcl	Tamsulosin Hcl	112	22
Chlorthalidone	Chlorthalidone	104	29
Amlodipine Besylate	Amlodipine Besylate	101	22
Famotidine	Famotidine	100	28
Omeprazole	Omeprazole	92	20
Quetiapine Fumarate	Quetiapine Fumarate	92	16
Metformin Hcl	Metformin Hcl	91	24
Spironolactone	Spironolactone	90	24
Triamcinolone Acetonide	Triamcinolone Acetonide	82	55
Nortriptyline Hcl	Nortriptyline Hcl	79	19
Fluoxetine Hcl	Fluoxetine Hcl	76	15
Rosuvastatin Calcium	Rosuvastatin Calcium	67	20
Furosemide	Furosemide	66	12
Pregabalin	Pregabalin	64	11
Lamotrigine	Lamotrigine	62	suppressed
Naproxen	Naproxen	60	16
Eliquis	Apixaban	58	suppressed
Prazosin Hcl	Prazosin Hcl	54	15
Topiramate	Topiramate	54	13
Tramadol Hcl	Tramadol Hcl	54	suppressed
Pantoprazole Sodium	Pantoprazole Sodium	52	15
Olanzapine	Olanzapine	50	suppressed
Propranolol Hcl	Propranolol Hcl	46	suppressed
Baclofen	Baclofen	44	suppressed
Bupropion Xl	Bupropion Hcl	43	suppressed
Duloxetine Hcl	Duloxetine Hcl	43	suppressed
Ibuprofen	Ibuprofen	42	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	41	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	41	suppressed
Sertraline Hcl	Sertraline Hcl	40	suppressed
Fluticasone Propionate	Fluticasone Propionate	39	18
Oxycodone Hcl	Oxycodone Hcl	39	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	38	suppressed
Citalopram Hbr	Citalopram Hydrobromide	37	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	37	13
Amitriptyline Hcl	Amitriptyline Hcl	36	suppressed
Allopurinol	Allopurinol	35	suppressed
Carvedilol	Carvedilol	35	suppressed
Finasteride	Finasteride	34	13
Jardiance	Empagliflozin	34	11
Liothyronine Sodium	Liothyronine Sodium	33	suppressed
Valproic Acid	Valproic Acid	33	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	32	suppressed
Aripiprazole	Aripiprazole	31	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	31	suppressed
Buspirone Hcl	Buspirone Hcl	30	suppressed
Terbinafine Hcl	Terbinafine Hcl	30	12
Betamethasone Valerate	Betamethasone Valerate	29	18
Dicyclomine Hcl	Dicyclomine Hcl	29	suppressed
Clopidogrel	Clopidogrel Bisulfate	28	suppressed
Hydrocortisone	Hydrocortisone	28	24
Methocarbamol	Methocarbamol	28	suppressed
Potassium Chloride	Potassium Chloride	28	suppressed
Acyclovir	Acyclovir	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	27	suppressed
Invega Sustenna	Paliperidone Palmitate	27	suppressed
Xarelto	Rivaroxaban	27	suppressed
Clobetasol Propionate	Clobetasol Propionate	26	12
Mirtazapine	Mirtazapine	26	suppressed
Clonazepam	Clonazepam	25	suppressed
Clozapine	Clozapine	24	suppressed
Clonidine Hcl	Clonidine Hcl	23	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	23	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	23	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	23	suppressed
Clotrimazole	Clotrimazole	22	12
Methotrexate	Methotrexate Sodium	22	suppressed
Ondansetron Odt	Ondansetron	22	suppressed
Verapamil Er	Verapamil Hcl	22	suppressed
Meloxicam	Meloxicam	21	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	21	suppressed
Xifaxan	Rifaximin	21	suppressed
Alendronate Sodium	Alendronate Sodium	20	suppressed
Breo Ellipta	Fluticasone/Vilanterol	20	suppressed
Latanoprost	Latanoprost	20	suppressed
Lidocaine	Lidocaine	20	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Estradiol	Estradiol	18	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	18	suppressed
Incruse Ellipta	Umeclidinium Bromide	18	suppressed
Levetiracetam	Levetiracetam	17	suppressed
Metformin Hcl Er	Metformin Hcl	17	suppressed
Propranolol Hcl Er	Propranolol Hcl	17	suppressed
Arnuity Ellipta	Fluticasone Furoate	16	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	16	suppressed
Levetiracetam Er	Levetiracetam	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Cephalexin	Cephalexin	15	12
Metronidazole	Metronidazole	15	suppressed
Morphine Sulfate Er	Morphine Sulfate	15	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	15	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Atenolol	Atenolol	14	suppressed
Haloperidol	Haloperidol	14	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	14	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	14	suppressed
Calcipotriene	Calcipotriene	13	suppressed
Colchicine	Colchicine	13	suppressed
Loperamide	Loperamide Hcl	13	suppressed
Prednisone	Prednisone	13	11
Zonisamide	Zonisamide	13	suppressed
Acamprosate Calcium	Acamprosate Calcium	12	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Atomoxetine Hcl	Atomoxetine Hcl	12	suppressed
Atrovent Hfa	Ipratropium Bromide	12	suppressed
Constulose	Lactulose	12	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	12	suppressed
Promethazine Hcl	Promethazine Hcl	12	suppressed
Sucralfate	Sucralfate	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Verapamil Hcl	Verapamil Hcl	12	suppressed
Alprazolam	Alprazolam	11	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	11	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Linzess	Linaclotide	11	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	11	suppressed
Naltrexone Hcl	Naltrexone 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