Healthcare provider profile · identity verified

Mark D Tuttle, M.D.

Family Practice · MARLBOROUGH, CT · NPI 1194737130

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	481	121
Lisinopril	Lisinopril	457	111
Atorvastatin Calcium	Atorvastatin Calcium	331	88
Metoprolol Succinate	Metoprolol Succinate	298	75
Amlodipine Besylate	Amlodipine Besylate	293	76
Alprazolam	Alprazolam	269	68
Hydrochlorothiazide	Hydrochlorothiazide	250	63
Rosuvastatin Calcium	Rosuvastatin Calcium	233	62
Metformin Hcl	Metformin Hcl	227	66
Tamsulosin Hcl	Tamsulosin Hcl	194	54
Allopurinol	Allopurinol	178	53
Pantoprazole Sodium	Pantoprazole Sodium	156	41
Simvastatin	Simvastatin	155	44
Losartan Potassium	Losartan Potassium	130	35
Escitalopram Oxalate	Escitalopram Oxalate	129	41
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	126	19
Gabapentin	Gabapentin	124	37
Famotidine	Famotidine	119	37
Jardiance	Empagliflozin	118	25
Oxycodone Hcl	Oxycodone Hcl	114	20
Trazodone Hcl	Trazodone Hcl	112	31
Valsartan	Valsartan	112	31
Tramadol Hcl	Tramadol Hcl	110	34
Fluticasone Propionate	Fluticasone Propionate	107	37
Albuterol Sulfate Hfa	Albuterol Sulfate	102	40
Lorazepam	Lorazepam	100	22
Zolpidem Tartrate	Zolpidem Tartrate	99	23
Prednisone	Prednisone	98	50
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	96	17
Omeprazole	Omeprazole	88	23
Montelukast Sodium	Montelukast Sodium	81	21
Synthroid	Levothyroxine Sodium	73	19
Eliquis	Apixaban	70	19
Metoprolol Tartrate	Metoprolol Tartrate	68	16
Cephalexin	Cephalexin	66	54
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	63	14
Furosemide	Furosemide	62	20
Celecoxib	Celecoxib	60	22
Citalopram Hbr	Citalopram Hydrobromide	59	16
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	57	15
Warfarin Sodium	Warfarin Sodium	54	suppressed
Bupropion Xl	Bupropion Hcl	48	suppressed
Donepezil Hcl	Donepezil Hcl	46	13
Ozempic	Semaglutide	46	12
Duloxetine Hcl	Duloxetine Hcl	45	14
Ibuprofen	Ibuprofen	45	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	45	suppressed
Paroxetine Hcl	Paroxetine Hcl	44	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	43	14
Sertraline Hcl	Sertraline Hcl	43	suppressed
Atenolol	Atenolol	42	suppressed
Clopidogrel	Clopidogrel Bisulfate	42	suppressed
Januvia	Sitagliptin Phosphate	42	11
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	42	suppressed
Carvedilol	Carvedilol	40	suppressed
Tizanidine Hcl	Tizanidine Hcl	40	16
Pregabalin	Pregabalin	39	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	38	31
Ezetimibe	Ezetimibe	38	11
Diclofenac Sodium	Diclofenac Sodium	37	suppressed
Rybelsus	Semaglutide	35	suppressed
Symbicort	Budesonide/Formoterol Fumarate	34	suppressed
Azithromycin	Azithromycin	33	30
Fluoxetine Hcl	Fluoxetine Hcl	33	12
Sildenafil Citrate	Sildenafil Citrate	33	suppressed
Valacyclovir	Valacyclovir Hcl	33	12
Amoxicillin	Amoxicillin	32	26
Topiramate	Topiramate	32	suppressed
Glipizide Er	Glipizide	31	suppressed
Xarelto	Rivaroxaban	30	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	29	suppressed
Spironolactone	Spironolactone	29	suppressed
Diazepam	Diazepam	28	suppressed
Finasteride	Finasteride	28	suppressed
Potassium Chloride	Potassium Chloride	28	suppressed
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	27	23
Meloxicam	Meloxicam	27	11
Sumatriptan Succinate	Sumatriptan Succinate	27	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	26	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	26	suppressed
Alendronate Sodium	Alendronate Sodium	24	suppressed
Ketoconazole	Ketoconazole	24	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	24	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	24	15
Nystatin	Nystatin	23	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	22	suppressed
Levetiracetam	Levetiracetam	22	suppressed
Mometasone Furoate	Mometasone Furoate	22	suppressed
Naproxen	Naproxen	22	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	22	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	21	suppressed
Pravastatin Sodium	Pravastatin Sodium	21	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	20	suppressed
Metformin Hcl Er	Metformin Hcl	20	suppressed
Propranolol Hcl	Propranolol Hcl	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	19	suppressed
Euthyrox	Levothyroxine Sodium	19	suppressed
Fluconazole	Fluconazole	19	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	19	suppressed
Ramipril	Ramipril	19	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	18	suppressed
Morphine Sulfate Er	Morphine Sulfate	18	suppressed
Ventolin Hfa	Albuterol Sulfate	18	suppressed
Baclofen	Baclofen	17	suppressed
Buspirone Hcl	Buspirone Hcl	17	suppressed
Carbamazepine	Carbamazepine	17	suppressed
Methocarbamol	Methocarbamol	17	suppressed
Raloxifene Hcl	Raloxifene Hcl	17	suppressed
Timolol Maleate	Timolol Maleate	16	suppressed
Clonazepam	Clonazepam	15	suppressed
Glipizide	Glipizide	15	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	15	suppressed
Rizatriptan	Rizatriptan Benzoate	15	suppressed
Solifenacin Succinate	Solifenacin Succinate	15	suppressed
Dexilant	Dexlansoprazole	14	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	14	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	14	suppressed
Farxiga	Dapagliflozin Propanediol	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	14	12
Prasugrel Hcl	Prasugrel Hcl	14	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	14	suppressed
Belsomra	Suvorexant	13	suppressed
Creon	Lipase/Protease/Amylase	13	suppressed
Fenofibric Acid	Fenofibric Acid (Choline)	13	suppressed
Lamotrigine	Lamotrigine	13	suppressed
Lithium Carbonate Er	Lithium Carbonate	13	suppressed
Lovastatin	Lovastatin	13	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	13	suppressed
Ondansetron Odt	Ondansetron	13	suppressed
Tadalafil	Tadalafil	13	suppressed
Travoprost	Travoprost	13	suppressed
Trifluoperazine Hcl	Trifluoperazine Hcl	13	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Terazosin Hcl	Terazosin Hcl	12	suppressed
Trulicity	Dulaglutide	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Breyna	Budesonide/Formoterol Fumarate	11	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Mirtazapine	Mirtazapine	11	suppressed
Testosterone	Testosterone	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