Healthcare provider profile · identity verified

Michael R Whitmore, D.O.

Internal Medicine · HESPERIA, CA · NPI 1508307927

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	577	185
Levothyroxine Sodium	Levothyroxine Sodium	372	114
Lisinopril	Lisinopril	306	109
Amlodipine Besylate	Amlodipine Besylate	295	105
Metformin Hcl	Metformin Hcl	290	89
Gabapentin	Gabapentin	255	80
Losartan Potassium	Losartan Potassium	242	80
Omeprazole	Omeprazole	240	78
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	189	53
Albuterol Sulfate Hfa	Albuterol Sulfate	169	51
Hydrochlorothiazide	Hydrochlorothiazide	163	58
Alendronate Sodium	Alendronate Sodium	155	43
Trazodone Hcl	Trazodone Hcl	152	51
Tamsulosin Hcl	Tamsulosin Hcl	136	45
Pantoprazole Sodium	Pantoprazole Sodium	129	43
Tramadol Hcl	Tramadol Hcl	120	42
Eliquis	Apixaban	118	32
Metoprolol Tartrate	Metoprolol Tartrate	117	40
Metoprolol Succinate	Metoprolol Succinate	116	46
Glipizide	Glipizide	112	34
Simvastatin	Simvastatin	104	37
Furosemide	Furosemide	101	46
Ibuprofen	Ibuprofen	98	37
Ozempic	Semaglutide	94	17
Fluticasone Propionate	Fluticasone Propionate	91	41
Rosuvastatin Calcium	Rosuvastatin Calcium	86	30
Potassium Chloride	Potassium Chloride	83	28
Atenolol	Atenolol	82	23
Clonidine Hcl	Clonidine Hcl	75	29
Glipizide Er	Glipizide	72	25
Sertraline Hcl	Sertraline Hcl	70	24
Azithromycin	Azithromycin	64	53
Hydralazine Hcl	Hydralazine Hcl	64	17
Alprazolam	Alprazolam	63	21
Triamcinolone Acetonide	Triamcinolone Acetonide	63	39
Zolpidem Tartrate	Zolpidem Tartrate	62	14
Carvedilol	Carvedilol	60	18
Pravastatin Sodium	Pravastatin Sodium	60	16
Ezetimibe	Ezetimibe	58	16
Jardiance	Empagliflozin	58	16
Januvia	Sitagliptin Phosphate	55	12
Famotidine	Famotidine	51	16
Nifedipine Er	Nifedipine	50	19
Ondansetron Odt	Ondansetron	49	29
Clopidogrel	Clopidogrel Bisulfate	47	20
Finasteride	Finasteride	47	12
Pioglitazone Hcl	Pioglitazone Hcl	47	15
Benazepril Hcl	Benazepril Hcl	45	16
Lovastatin	Lovastatin	45	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	43	12
Montelukast Sodium	Montelukast Sodium	43	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	42	14
Warfarin Sodium	Warfarin Sodium	42	suppressed
Xarelto	Rivaroxaban	42	suppressed
Tizanidine Hcl	Tizanidine Hcl	41	16
Allopurinol	Allopurinol	40	12
Breo Ellipta	Fluticasone/Vilanterol	40	suppressed
Metformin Hcl Er	Metformin Hcl	40	11
Glimepiride	Glimepiride	38	suppressed
Donepezil Hcl	Donepezil Hcl	37	16
Fluoxetine Hcl	Fluoxetine Hcl	35	14
Paroxetine Hcl	Paroxetine Hcl	35	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	34	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	33	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	33	suppressed
Bupropion Xl	Bupropion Hcl	32	suppressed
Prednisone	Prednisone	32	25
Hydroxyzine Hcl	Hydroxyzine Hcl	30	13
Ropinirole Hcl	Ropinirole Hcl	30	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	29	13
Baclofen	Baclofen	28	12
Levetiracetam	Levetiracetam	28	suppressed
Lorazepam	Lorazepam	27	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	27	22
Venlafaxine Hcl Er	Venlafaxine Hcl	27	11
Cephalexin	Cephalexin	26	13
Escitalopram Oxalate	Escitalopram Oxalate	26	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	26	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	26	21
Primidone	Primidone	26	suppressed
Rizatriptan	Rizatriptan Benzoate	26	suppressed
Spironolactone	Spironolactone	26	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	26	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	26	suppressed
Chlorthalidone	Chlorthalidone	25	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	25	suppressed
Synthroid	Levothyroxine Sodium	25	suppressed
Valsartan	Valsartan	25	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	23	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Lamotrigine	Lamotrigine	23	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	23	suppressed
Citalopram Hbr	Citalopram Hydrobromide	22	suppressed
Meclizine Hcl	Meclizine Hcl	22	suppressed
Acyclovir	Acyclovir	21	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	21	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	21	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	21	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	20	suppressed
Duloxetine Hcl	Duloxetine Hcl	20	suppressed
Hydrocortisone	Hydrocortisone	20	suppressed
Klor-Con 10	Potassium Chloride	20	suppressed
Propranolol Hcl	Propranolol Hcl	20	suppressed
Temazepam	Temazepam	20	suppressed
Digoxin	Digoxin	19	suppressed
Enalapril Maleate	Enalapril Maleate	19	suppressed
Labetalol Hcl	Labetalol Hcl	18	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	13
Clonazepam	Clonazepam	17	suppressed
Diazepam	Diazepam	17	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	17	suppressed
Lidocaine	Lidocaine	17	suppressed
Meloxicam	Meloxicam	17	suppressed
Pregabalin	Pregabalin	17	suppressed
Sildenafil Citrate	Sildenafil Citrate	17	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	16	suppressed
Fenofibrate	Fenofibrate	14	suppressed
Memantine Hcl	Memantine Hcl	14	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	13	suppressed
Lactulose	Lactulose	13	suppressed
Multaq	Dronedarone Hcl	13	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Oxycodone Hcl	Oxycodone Hcl	12	suppressed
Tadalafil	Tadalafil	12	suppressed
Amiodarone Hcl	Amiodarone Hcl	11	suppressed
Clonidine	Clonidine	11	suppressed
Entresto	Sacubitril/Valsartan	11	suppressed
Estradiol	Estradiol	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