Healthcare provider profile · identity verified

Caleb Gillham, MD

Family Practice · OMAK, WA · NPI 1255860086

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	363	102
Lisinopril	Lisinopril	279	80
Levothyroxine Sodium	Levothyroxine Sodium	278	70
Amlodipine Besylate	Amlodipine Besylate	269	81
Losartan Potassium	Losartan Potassium	190	49
Metoprolol Succinate	Metoprolol Succinate	169	47
Rosuvastatin Calcium	Rosuvastatin Calcium	155	51
Gabapentin	Gabapentin	149	45
Omeprazole	Omeprazole	149	44
Furosemide	Furosemide	146	43
Potassium Chloride	Potassium Chloride	134	36
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	125	24
Tamsulosin Hcl	Tamsulosin Hcl	102	36
Metformin Hcl Er	Metformin Hcl	101	32
Albuterol Sulfate Hfa	Albuterol Sulfate	94	31
Carvedilol	Carvedilol	78	26
Tramadol Hcl	Tramadol Hcl	77	19
Eliquis	Apixaban	68	16
Allopurinol	Allopurinol	63	19
Oxycodone Hcl	Oxycodone Hcl	62	suppressed
Famotidine	Famotidine	61	19
Pantoprazole Sodium	Pantoprazole Sodium	60	16
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	59	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	57	20
Spironolactone	Spironolactone	57	21
Clopidogrel	Clopidogrel Bisulfate	56	16
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	54	15
Sertraline Hcl	Sertraline Hcl	53	18
Metoprolol Tartrate	Metoprolol Tartrate	52	13
Metformin Hcl	Metformin Hcl	51	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	50	16
Fluticasone Propionate	Fluticasone Propionate	49	24
Pravastatin Sodium	Pravastatin Sodium	48	17
Jardiance	Empagliflozin	47	15
Montelukast Sodium	Montelukast Sodium	47	suppressed
Morphine Sulfate Er	Morphine Sulfate	46	suppressed
Simvastatin	Simvastatin	46	11
Duloxetine Hcl	Duloxetine Hcl	44	15
Ozempic	Semaglutide	42	12
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	41	suppressed
Atenolol	Atenolol	40	12
Pregabalin	Pregabalin	40	15
Bumetanide	Bumetanide	39	suppressed
Ezetimibe	Ezetimibe	39	14
Trazodone Hcl	Trazodone Hcl	39	14
Alendronate Sodium	Alendronate Sodium	36	13
Finasteride	Finasteride	36	12
Doxazosin Mesylate	Doxazosin Mesylate	35	suppressed
Estradiol	Estradiol	34	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	32	11
Trulicity	Dulaglutide	32	13
Citalopram Hbr	Citalopram Hydrobromide	31	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	31	suppressed
Buspirone Hcl	Buspirone Hcl	30	12
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	30	suppressed
Ondansetron Odt	Ondansetron	30	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	30	suppressed
Chlorthalidone	Chlorthalidone	29	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	29	suppressed
Mirtazapine	Mirtazapine	29	suppressed
Tizanidine Hcl	Tizanidine Hcl	29	suppressed
Humalog Kwikpen U-100	Insulin Lispro	28	suppressed
Nitroglycerin	Nitroglycerin	28	18
Bupropion Xl	Bupropion Hcl	27	suppressed
Topiramate	Topiramate	27	11
Cefuroxime	Cefuroxime Axetil	26	22
Clonazepam	Clonazepam	26	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	25	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	25	suppressed
Ropinirole Hcl	Ropinirole Hcl	23	suppressed
Diazepam	Diazepam	22	suppressed
Donepezil Hcl	Donepezil Hcl	22	suppressed
Ketoconazole	Ketoconazole	22	suppressed
Minoxidil	Minoxidil	22	suppressed
Nifedipine Er	Nifedipine	22	suppressed
Prednisone	Prednisone	22	13
Baclofen	Baclofen	21	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	21	suppressed
Lorazepam	Lorazepam	21	suppressed
Synthroid	Levothyroxine Sodium	21	suppressed
Alprazolam	Alprazolam	20	suppressed
Divalproex Sodium	Divalproex Sodium	20	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	20	suppressed
Levetiracetam	Levetiracetam	20	suppressed
Methocarbamol	Methocarbamol	20	suppressed
Ventolin Hfa	Albuterol Sulfate	20	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	18	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	18	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	18	suppressed
Propranolol Hcl Er	Propranolol Hcl	18	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	17	suppressed
Morphine Sulfate	Morphine Sulfate	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Naltrexone Hcl	Naltrexone Hcl	16	suppressed
Olanzapine	Olanzapine	16	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	16	suppressed
Bydureon Bcise	Exenatide Microspheres	15	suppressed
Fluconazole	Fluconazole	15	13
Nystatin	Nystatin	15	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	15	11
Valacyclovir	Valacyclovir Hcl	15	suppressed
Lidocaine	Lidocaine	14	suppressed
Oxycontin	Oxycodone Hcl	14	suppressed
Primidone	Primidone	14	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Divalproex Sodium Er	Divalproex Sodium	13	suppressed
Lansoprazole	Lansoprazole	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	13	suppressed
Varenicline Tartrate	Varenicline Tartrate	13	suppressed
Xtampza Er	Oxycodone Myristate	13	suppressed
Azithromycin	Azithromycin	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	12
Escitalopram Oxalate	Escitalopram Oxalate	12	suppressed
Glipizide	Glipizide	12	suppressed
Irbesartan	Irbesartan	12	suppressed
Lidocaine Hcl Viscous	Lidocaine Hcl	12	suppressed
Naproxen	Naproxen	12	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	11	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Linzess	Linaclotide	11	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	11	suppressed
Temazepam	Temazepam	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