Healthcare provider profile · identity verified

Tendai Thomas, M.D.

Internal Medicine · ANN ARBOR, MI · NPI 1699776377

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	538	146
Atorvastatin Calcium	Atorvastatin Calcium	352	98
Amlodipine Besylate	Amlodipine Besylate	298	87
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	257	49
Lisinopril	Lisinopril	238	66
Simvastatin	Simvastatin	236	56
Gabapentin	Gabapentin	235	76
Losartan Potassium	Losartan Potassium	228	72
Omeprazole	Omeprazole	215	70
Alendronate Sodium	Alendronate Sodium	176	50
Metoprolol Succinate	Metoprolol Succinate	169	45
Montelukast Sodium	Montelukast Sodium	168	50
Rosuvastatin Calcium	Rosuvastatin Calcium	165	49
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	152	20
Hydrochlorothiazide	Hydrochlorothiazide	148	44
Meloxicam	Meloxicam	148	47
Furosemide	Furosemide	143	47
Pantoprazole Sodium	Pantoprazole Sodium	135	36
Tramadol Hcl	Tramadol Hcl	129	37
Albuterol Sulfate Hfa	Albuterol Sulfate	128	45
Mounjaro	Tirzepatide	128	25
Eliquis	Apixaban	124	32
Alprazolam	Alprazolam	122	33
Prednisone	Prednisone	122	65
Fluoxetine Hcl	Fluoxetine Hcl	115	31
Sertraline Hcl	Sertraline Hcl	113	28
Olmesartan Medoxomil	Olmesartan Medoxomil	108	36
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	105	28
Fluticasone Propionate	Fluticasone Propionate	103	52
Citalopram Hbr	Citalopram Hydrobromide	99	24
Escitalopram Oxalate	Escitalopram Oxalate	96	28
Trazodone Hcl	Trazodone Hcl	96	33
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	93	26
Ibuprofen	Ibuprofen	88	31
Metformin Hcl	Metformin Hcl	83	25
Duloxetine Hcl	Duloxetine Hcl	80	22
Famotidine	Famotidine	78	27
Venlafaxine Hcl Er	Venlafaxine Hcl	77	16
Bupropion Xl	Bupropion Hcl	76	19
Zolpidem Tartrate	Zolpidem Tartrate	75	25
Metformin Hcl Er	Metformin Hcl	70	22
Ezetimibe	Ezetimibe	69	22
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	68	20
Carvedilol	Carvedilol	67	22
Diazepam	Diazepam	67	18
Azithromycin	Azithromycin	65	38
Ozempic	Semaglutide	64	18
Potassium Chloride	Potassium Chloride	64	27
Estradiol	Estradiol	60	21
Tamsulosin Hcl	Tamsulosin Hcl	59	18
Donepezil Hcl	Donepezil Hcl	58	12
Atenolol	Atenolol	55	16
Allopurinol	Allopurinol	53	15
Eszopiclone	Eszopiclone	52	16
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	51	28
Spironolactone	Spironolactone	51	19
Oxybutynin Chloride	Oxybutynin Chloride	47	17
Triamcinolone Acetonide	Triamcinolone Acetonide	47	29
Celecoxib	Celecoxib	46	14
Synthroid	Levothyroxine Sodium	46	11
Morphine Sulfate Er	Morphine Sulfate	45	suppressed
Xarelto	Rivaroxaban	45	11
Jardiance	Empagliflozin	43	13
Pregabalin	Pregabalin	43	12
Ipratropium Bromide	Ipratropium Bromide	42	13
Oxycodone Hcl	Oxycodone Hcl	42	suppressed
Hydrocortisone	Hydrocortisone	41	suppressed
Clonazepam	Clonazepam	40	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	40	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	40	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	38	13
Propranolol Hcl	Propranolol Hcl	38	12
Fenofibrate	Fenofibrate	37	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	37	suppressed
Bumetanide	Bumetanide	36	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	36	12
Ciprofloxacin Hcl	Ciprofloxacin Hcl	35	30
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	34	15
Meclizine Hcl	Meclizine Hcl	34	19
Myrbetriq	Mirabegron	34	suppressed
Aripiprazole	Aripiprazole	33	11
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	33	suppressed
Amoxicillin	Amoxicillin	32	13
Glipizide	Glipizide	31	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	31	suppressed
Valacyclovir	Valacyclovir Hcl	31	13
Nifedipine Er	Nifedipine	30	suppressed
Buspirone Hcl	Buspirone Hcl	29	suppressed
Clobetasol Propionate	Clobetasol Propionate	29	22
Doxepin Hcl	Doxepin Hcl	29	suppressed
Clopidogrel	Clopidogrel Bisulfate	28	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Paroxetine Hcl	Paroxetine Hcl	28	suppressed
Fluconazole	Fluconazole	27	14
Glyburide	Glyburide	27	suppressed
Irbesartan	Irbesartan	27	suppressed
Memantine Hcl	Memantine Hcl	27	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	25	suppressed
Mirtazapine	Mirtazapine	25	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	25	suppressed
Pravastatin Sodium	Pravastatin Sodium	25	suppressed
Breo Ellipta	Fluticasone/Vilanterol	24	suppressed
Topiramate	Topiramate	24	suppressed
Trulicity	Dulaglutide	24	suppressed
Yuvafem	Estradiol	24	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	23	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Ondansetron Hcl	Ondansetron Hcl	23	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	23	suppressed
Valsartan	Valsartan	23	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	22	suppressed
Lorazepam	Lorazepam	22	15
Methylphenidate Hcl	Methylphenidate Hcl	22	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	22	suppressed
Acyclovir	Acyclovir	21	suppressed
Bupropion Hcl	Bupropion Hcl	21	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	20	suppressed
Fentanyl	Fentanyl	20	suppressed
Linzess	Linaclotide	20	suppressed
Solifenacin Succinate	Solifenacin Succinate	20	suppressed
Levofloxacin	Levofloxacin	19	13
Lidocaine	Lidocaine	18	suppressed
Modafinil	Modafinil	18	suppressed
Primidone	Primidone	18	suppressed
Glimepiride	Glimepiride	17	suppressed
Klor-Con M10	Potassium Chloride	17	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	16	suppressed
Fluocinolone Acetonide	Fluocinolone/Shower Cap	16	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	16	suppressed
Ketoconazole	Ketoconazole	16	suppressed
Premarin	Estrogens, Conjugated	16	suppressed
Raloxifene Hcl	Raloxifene Hcl	16	suppressed
Ventolin Hfa	Albuterol Sulfate	16	suppressed
Verapamil Er	Verapamil Hcl	16	suppressed
Armour Thyroid	Thyroid,pork	15	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Baclofen	Baclofen	14	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	14	suppressed
Dulera	Mometasone/Formoterol	14	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	14	suppressed
Naratriptan Hcl	Naratriptan Hcl	14	suppressed
Rizatriptan	Rizatriptan Benzoate	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Fesoterodine Fumarate Er	Fesoterodine Fumarate	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	13	suppressed
Minocycline Hcl	Minocycline Hcl	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	13
Paxlovid	Nirmatrelvir/Ritonavir	13	13
Prempro	Estrogen,con/M-Progest Acet	13	suppressed
Propranolol Hcl Er	Propranolol Hcl	13	suppressed
Risperidone	Risperidone	13	suppressed
Varenicline Tartrate	Varenicline Tartrate	13	suppressed
Xanax	Alprazolam	13	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	12	suppressed
Budesonide Er	Budesonide	12	suppressed
Carisoprodol	Carisoprodol	12	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Oxycontin	Oxycodone Hcl	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Tiotropium Bromide	Tiotropium Bromide	12	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Mesalamine	Mesalamine	11	suppressed
Mirabegron Er	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