Healthcare provider profile · identity verified

David G Shipowick, MD

Family Practice · SPOKANE, WA · NPI 1295756930

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	413	116
Levothyroxine Sodium	Levothyroxine Sodium	298	80
Lisinopril	Lisinopril	266	80
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	252	46
Losartan Potassium	Losartan Potassium	250	76
Gabapentin	Gabapentin	174	45
Amlodipine Besylate	Amlodipine Besylate	169	47
Omeprazole	Omeprazole	163	41
Hydrochlorothiazide	Hydrochlorothiazide	131	40
Tamsulosin Hcl	Tamsulosin Hcl	119	34
Metoprolol Succinate	Metoprolol Succinate	91	27
Metformin Hcl	Metformin Hcl	89	31
Pantoprazole Sodium	Pantoprazole Sodium	83	23
Rosuvastatin Calcium	Rosuvastatin Calcium	79	25
Metformin Hcl Er	Metformin Hcl	75	29
Trazodone Hcl	Trazodone Hcl	73	28
Allopurinol	Allopurinol	72	19
Lorazepam	Lorazepam	71	16
Tramadol Hcl	Tramadol Hcl	70	18
Sertraline Hcl	Sertraline Hcl	66	17
Simvastatin	Simvastatin	65	21
Zolpidem Tartrate	Zolpidem Tartrate	59	suppressed
Estradiol	Estradiol	55	16
Potassium Chloride	Potassium Chloride	55	15
Triamcinolone Acetonide	Triamcinolone Acetonide	55	34
Escitalopram Oxalate	Escitalopram Oxalate	54	19
Jardiance	Empagliflozin	53	18
Carvedilol	Carvedilol	51	11
Glipizide	Glipizide	51	14
Pravastatin Sodium	Pravastatin Sodium	50	15
Famotidine	Famotidine	49	21
Atenolol	Atenolol	45	11
Quetiapine Fumarate	Quetiapine Fumarate	43	suppressed
Furosemide	Furosemide	42	16
Albuterol Sulfate Hfa	Albuterol Sulfate	40	27
Shingrix	Varicella-Zoster Ge/As01b/Pf	40	37
Sumatriptan Succinate	Sumatriptan Succinate	40	suppressed
Alendronate Sodium	Alendronate Sodium	39	14
Fluoxetine Hcl	Fluoxetine Hcl	39	12
Hydroxyzine Hcl	Hydroxyzine Hcl	39	suppressed
Duloxetine Hcl	Duloxetine Hcl	38	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	38	12
Oxycodone Hcl	Oxycodone Hcl	37	suppressed
Clopidogrel	Clopidogrel Bisulfate	36	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	35	13
Acetaminophen-Codeine	Acetaminophen With Codeine	32	suppressed
Citalopram Hbr	Citalopram Hydrobromide	32	suppressed
Ketoconazole	Ketoconazole	32	17
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	31	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	30	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	29	13
Metronidazole	Metronidazole	29	suppressed
Olanzapine	Olanzapine	29	suppressed
Aripiprazole	Aripiprazole	28	suppressed
Glipizide Er	Glipizide	28	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	28	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	28	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	28	suppressed
Bupropion Xl	Bupropion Hcl	27	suppressed
Cefuroxime	Cefuroxime Axetil	27	27
Eliquis	Apixaban	27	suppressed
Morphine Sulfate Er	Morphine Sulfate	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	26	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	25	suppressed
Lovastatin	Lovastatin	25	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	25	suppressed
Nifedipine Er	Nifedipine	24	suppressed
Prednisone	Prednisone	24	suppressed
Memantine Hcl	Memantine Hcl	23	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	22	suppressed
Finasteride	Finasteride	22	suppressed
Meloxicam	Meloxicam	22	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	22	suppressed
Acyclovir	Acyclovir	21	suppressed
Clobetasol Propionate	Clobetasol Propionate	21	13
Methocarbamol	Methocarbamol	20	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	20	suppressed
Propranolol Hcl	Propranolol Hcl	20	suppressed
Celecoxib	Celecoxib	19	suppressed
Clonidine Hcl	Clonidine Hcl	19	suppressed
Pregabalin	Pregabalin	19	suppressed
Testosterone Cypionate	Testosterone Cypionate	19	suppressed
Butalbital-Aspirin-Caffeine	Butalbital/Aspirin/Caffeine	18	suppressed
Temazepam	Temazepam	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	17	suppressed
Verapamil Er	Verapamil Hcl	17	suppressed
Bethanechol Chloride	Bethanechol Chloride	16	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	16	suppressed
Fluticasone Propionate	Fluticasone Propionate	16	suppressed
Nystatin	Nystatin	16	suppressed
Ondansetron Odt	Ondansetron	16	suppressed
Xarelto	Rivaroxaban	16	suppressed
Baclofen	Baclofen	15	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	15	suppressed
Ezetimibe	Ezetimibe	15	suppressed
Humalog Kwikpen U-100	Insulin Lispro	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Fenofibrate	Fenofibrate	14	suppressed
Mirtazapine	Mirtazapine	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Guanfacine Hcl Er	Guanfacine Hcl	13	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	13	suppressed
Lamotrigine	Lamotrigine	13	suppressed
Naproxen	Naproxen	13	suppressed
Ondansetron Hcl	Ondansetron Hcl	13	suppressed
Risperidone	Risperidone	13	suppressed
Thioridazine Hcl	Thioridazine Hcl	13	suppressed
Timolol Maleate	Timolol Maleate	13	suppressed
Alprazolam	Alprazolam	12	suppressed
Benztropine Mesylate	Benztropine Mesylate	12	suppressed
Cyclosporine	Cyclosporine	12	suppressed
Divalproex Sodium Er	Divalproex Sodium	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Mesalamine	Mesalamine	12	suppressed
Ramipril	Ramipril	12	suppressed
Spironolactone	Spironolactone	12	suppressed
Terazosin Hcl	Terazosin Hcl	12	suppressed
Azithromycin	Azithromycin	11	11
Belbuca	Buprenorphine Hcl	11	suppressed
Breyna	Budesonide/Formoterol Fumarate	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Dextroamphetamine Sulfate	Dextroamphetamine Sulfate	11	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Methylphenidate Er	Methylphenidate Hcl	11	suppressed
Pradaxa	Dabigatran Etexilate Mesylate	11	suppressed
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	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