Healthcare provider profile · identity verified

Thomas P Porter, M.D.

Family Practice · MESA, AZ · NPI 1023094141

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
Levothyroxine Sodium	Levothyroxine Sodium	572	150
Atorvastatin Calcium	Atorvastatin Calcium	548	156
Amlodipine Besylate	Amlodipine Besylate	509	148
Losartan Potassium	Losartan Potassium	449	130
Lisinopril	Lisinopril	369	108
Rosuvastatin Calcium	Rosuvastatin Calcium	296	92
Metoprolol Succinate	Metoprolol Succinate	263	70
Omeprazole	Omeprazole	240	64
Pantoprazole Sodium	Pantoprazole Sodium	236	76
Pravastatin Sodium	Pravastatin Sodium	207	54
Hydrochlorothiazide	Hydrochlorothiazide	206	58
Gabapentin	Gabapentin	187	63
Metformin Hcl Er	Metformin Hcl	181	50
Simvastatin	Simvastatin	163	47
Metformin Hcl	Metformin Hcl	132	39
Famotidine	Famotidine	121	41
Metoprolol Tartrate	Metoprolol Tartrate	120	35
Ezetimibe	Ezetimibe	115	39
Furosemide	Furosemide	105	34
Montelukast Sodium	Montelukast Sodium	100	29
Allopurinol	Allopurinol	93	27
Fluticasone Propionate	Fluticasone Propionate	91	31
Albuterol Sulfate Hfa	Albuterol Sulfate	89	36
Tamsulosin Hcl	Tamsulosin Hcl	85	26
Fluoxetine Hcl	Fluoxetine Hcl	82	19
Potassium Chloride	Potassium Chloride	78	23
Valsartan	Valsartan	72	19
Trazodone Hcl	Trazodone Hcl	71	25
Escitalopram Oxalate	Escitalopram Oxalate	67	20
Olmesartan Medoxomil	Olmesartan Medoxomil	67	19
Glipizide Er	Glipizide	66	16
Atenolol	Atenolol	65	19
Duloxetine Hcl	Duloxetine Hcl	65	14
Synthroid	Levothyroxine Sodium	62	16
Eliquis	Apixaban	61	14
Ibuprofen	Ibuprofen	57	22
Sertraline Hcl	Sertraline Hcl	53	12
Citalopram Hbr	Citalopram Hydrobromide	50	12
Clopidogrel	Clopidogrel Bisulfate	48	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	47	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	46	suppressed
Bupropion Xl	Bupropion Hcl	43	suppressed
Meloxicam	Meloxicam	43	suppressed
Ropinirole Hcl	Ropinirole Hcl	42	suppressed
Terazosin Hcl	Terazosin Hcl	42	11
Triamcinolone Acetonide	Triamcinolone Acetonide	42	20
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	40	suppressed
Benazepril Hcl	Benazepril Hcl	38	suppressed
Carvedilol	Carvedilol	38	14
Spironolactone	Spironolactone	38	11
Cephalexin	Cephalexin	37	24
Glimepiride	Glimepiride	37	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	37	suppressed
Celecoxib	Celecoxib	36	suppressed
Finasteride	Finasteride	35	11
Azithromycin	Azithromycin	33	24
Lorazepam	Lorazepam	33	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	32	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	32	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	31	11
Estradiol	Estradiol	30	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	29	22
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	29	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	28	11
Januvia	Sitagliptin Phosphate	28	suppressed
Valacyclovir	Valacyclovir Hcl	28	suppressed
Acyclovir	Acyclovir	27	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	27	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	27	suppressed
Alprazolam	Alprazolam	25	14
Glipizide	Glipizide	25	suppressed
Jardiance	Empagliflozin	25	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	25	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	23	suppressed
Breo Ellipta	Fluticasone/Vilanterol	23	suppressed
Diazepam	Diazepam	23	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	23	17
Esomeprazole Magnesium	Esomeprazole Magnesium	23	11
Alendronate Sodium	Alendronate Sodium	22	suppressed
Amoxicillin	Amoxicillin	22	15
Pregabalin	Pregabalin	22	suppressed
Trulicity	Dulaglutide	22	suppressed
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Ondansetron Hcl	Ondansetron Hcl	21	suppressed
Propranolol Hcl	Propranolol Hcl	21	suppressed
Sotalol	Sotalol Hcl	21	suppressed
Meclizine Hcl	Meclizine Hcl	20	11
Methylprednisolone	Methylprednisolone	20	14
Mirtazapine	Mirtazapine	20	suppressed
Nystatin	Nystatin	20	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	20	suppressed
Irbesartan	Irbesartan	19	suppressed
Tradjenta	Linagliptin	19	suppressed
Buspirone Hcl	Buspirone Hcl	18	suppressed
Fenofibric Acid	Fenofibric Acid (Choline)	18	suppressed
Hydralazine Hcl	Hydralazine Hcl	18	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	18	suppressed
Paroxetine Hcl	Paroxetine Hcl	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Xarelto	Rivaroxaban	18	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	17	suppressed
Fosinopril Sodium	Fosinopril Sodium	17	suppressed
Ramipril	Ramipril	17	suppressed
Fenofibrate	Fenofibrate	16	suppressed
Fluconazole	Fluconazole	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Promethazine Hcl	Promethazine Hcl	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	15	suppressed
Diclofenac Sodium	Diclofenac Sodium	15	suppressed
Lactulose	Lactulose	15	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	15	suppressed
Warfarin Sodium	Warfarin Sodium	15	suppressed
Breyna	Budesonide/Formoterol Fumarate	14	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	14	suppressed
Tadalafil	Tadalafil	14	suppressed
Topiramate	Topiramate	14	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	13	suppressed
Donepezil Hcl	Donepezil Hcl	13	suppressed
Linzess	Linaclotide	13	suppressed
Amiodarone Hcl	Amiodarone Hcl	12	suppressed
Soliqua 100-33	Insulin Glargine/Lixisenatide	12	suppressed
Temazepam	Temazepam	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Clonidine Hcl	Clonidine Hcl	11	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Invokana	Canagliflozin	11	suppressed
Midodrine Hcl	Midodrine Hcl	11	suppressed
Myrbetriq	Mirabegron	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