Healthcare provider profile · identity verified

Mark Andrew Halvorson, MD

Family Practice · RICHLAND, WA · NPI 1063852911

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	330	95
Amlodipine Besylate	Amlodipine Besylate	270	84
Rosuvastatin Calcium	Rosuvastatin Calcium	262	76
Lisinopril	Lisinopril	230	65
Omeprazole	Omeprazole	224	59
Levothyroxine Sodium	Levothyroxine Sodium	218	60
Losartan Potassium	Losartan Potassium	210	67
Simvastatin	Simvastatin	171	47
Tamsulosin Hcl	Tamsulosin Hcl	154	44
Metformin Hcl	Metformin Hcl	135	37
Gabapentin	Gabapentin	131	33
Hydrochlorothiazide	Hydrochlorothiazide	121	37
Zolpidem Tartrate	Zolpidem Tartrate	117	23
Metoprolol Tartrate	Metoprolol Tartrate	112	28
Pantoprazole Sodium	Pantoprazole Sodium	112	31
Metoprolol Succinate	Metoprolol Succinate	103	33
Allopurinol	Allopurinol	87	24
Trazodone Hcl	Trazodone Hcl	83	20
Ozempic	Semaglutide	80	19
Fluticasone Propionate	Fluticasone Propionate	79	25
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	74	13
Sertraline Hcl	Sertraline Hcl	74	14
Jardiance	Empagliflozin	70	20
Potassium Chloride	Potassium Chloride	67	16
Finasteride	Finasteride	64	20
Pravastatin Sodium	Pravastatin Sodium	64	23
Metformin Hcl Er	Metformin Hcl	63	24
Famotidine	Famotidine	62	19
Eliquis	Apixaban	59	11
Citalopram Hbr	Citalopram Hydrobromide	57	13
Escitalopram Oxalate	Escitalopram Oxalate	49	15
Ezetimibe	Ezetimibe	48	15
Tizanidine Hcl	Tizanidine Hcl	48	20
Tramadol Hcl	Tramadol Hcl	48	12
Chlorthalidone	Chlorthalidone	46	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	46	suppressed
Alprazolam	Alprazolam	44	15
Meloxicam	Meloxicam	44	13
Albuterol Sulfate Hfa	Albuterol Sulfate	43	20
Clopidogrel	Clopidogrel Bisulfate	43	12
Mounjaro	Tirzepatide	43	12
Furosemide	Furosemide	41	suppressed
Enalapril Maleate	Enalapril Maleate	38	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	38	11
Alendronate Sodium	Alendronate Sodium	37	suppressed
Bupropion Xl	Bupropion Hcl	36	suppressed
Carvedilol	Carvedilol	36	12
Testosterone Cypionate	Testosterone Cypionate	36	suppressed
Lovastatin	Lovastatin	35	11
Venlafaxine Hcl Er	Venlafaxine Hcl	34	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	33	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	33	suppressed
Buspirone Hcl	Buspirone Hcl	32	suppressed
Duloxetine Hcl	Duloxetine Hcl	32	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	32	suppressed
Montelukast Sodium	Montelukast Sodium	31	12
Glimepiride	Glimepiride	30	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	30	suppressed
Benazepril Hcl	Benazepril Hcl	29	suppressed
Celecoxib	Celecoxib	29	suppressed
Atenolol	Atenolol	28	suppressed
Donepezil Hcl	Donepezil Hcl	28	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	28	suppressed
Synthroid	Levothyroxine Sodium	28	suppressed
Diclofenac Sodium	Diclofenac Sodium	26	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	26	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Arnuity Ellipta	Fluticasone Furoate	25	suppressed
Clonazepam	Clonazepam	25	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	25	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	24	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	24	suppressed
Prednisone	Prednisone	24	suppressed
Trulicity	Dulaglutide	24	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	23	suppressed
Glipizide Er	Glipizide	22	suppressed
Irbesartan	Irbesartan	22	suppressed
Paroxetine Hcl	Paroxetine Hcl	22	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	22	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	21	11
Triamcinolone Acetonide	Triamcinolone Acetonide	21	suppressed
Hydralazine Hcl	Hydralazine Hcl	20	suppressed
Propranolol Hcl Er	Propranolol Hcl	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Valsartan	Valsartan	19	suppressed
Estradiol	Estradiol	18	suppressed
Lorazepam	Lorazepam	18	suppressed
Oxycodone Hcl	Oxycodone Hcl	18	suppressed
Terazosin Hcl	Terazosin Hcl	18	suppressed
Farxiga	Dapagliflozin Propanediol	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Ropinirole Hcl	Ropinirole Hcl	17	suppressed
Cefdinir	Cefdinir	16	11
Ketoconazole	Ketoconazole	16	suppressed
Memantine Hcl	Memantine Hcl	16	suppressed
Spiriva Handihaler	Tiotropium Bromide	16	suppressed
Baclofen	Baclofen	15	suppressed
Colestipol Hcl	Colestipol Hcl	15	suppressed
Diazepam	Diazepam	15	suppressed
Fenofibrate	Fenofibrate	15	suppressed
Methylprednisolone	Methylprednisolone	15	14
Tresiba Flextouch U-100	Insulin Degludec	15	suppressed
Xarelto	Rivaroxaban	15	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	14	suppressed
Ipratropium Bromide	Ipratropium Bromide	14	suppressed
Methocarbamol	Methocarbamol	14	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Spironolactone	Spironolactone	14	suppressed
Terbinafine Hcl	Terbinafine Hcl	14	11
Cholestyramine	Cholestyramine (With Sugar)	13	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	13	suppressed
Glipizide	Glipizide	13	suppressed
Pregabalin	Pregabalin	13	suppressed
Torsemide	Torsemide	13	suppressed
Bupropion Hcl Sr	Bupropion Hcl	12	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Eszopiclone	Eszopiclone	11	suppressed
Nabumetone	Nabumetone	11	suppressed
Nystatin	Nystatin	11	suppressed
Ondansetron Hcl	Ondansetron 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