Healthcare provider profile · identity verified

Ryan Gates, M.D.

Family Practice · DARTMOUTH, MA · NPI 1164686622

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	564	149
Lisinopril	Lisinopril	422	123
Rosuvastatin Calcium	Rosuvastatin Calcium	354	107
Amlodipine Besylate	Amlodipine Besylate	303	84
Omeprazole	Omeprazole	303	95
Metoprolol Succinate	Metoprolol Succinate	241	72
Gabapentin	Gabapentin	236	44
Losartan Potassium	Losartan Potassium	201	64
Levothyroxine Sodium	Levothyroxine Sodium	197	57
Metformin Hcl	Metformin Hcl	195	53
Hydrochlorothiazide	Hydrochlorothiazide	190	58
Pravastatin Sodium	Pravastatin Sodium	163	45
Pantoprazole Sodium	Pantoprazole Sodium	154	38
Famotidine	Famotidine	145	41
Simvastatin	Simvastatin	144	45
Trazodone Hcl	Trazodone Hcl	128	39
Methylprednisolone	Methylprednisolone	123	99
Albuterol Sulfate Hfa	Albuterol Sulfate	110	41
Furosemide	Furosemide	102	29
Glipizide Er	Glipizide	99	25
Sertraline Hcl	Sertraline Hcl	91	25
Fluticasone Propionate	Fluticasone Propionate	88	36
Eliquis	Apixaban	85	23
Escitalopram Oxalate	Escitalopram Oxalate	83	30
Metoprolol Tartrate	Metoprolol Tartrate	77	25
Tamsulosin Hcl	Tamsulosin Hcl	75	23
Allopurinol	Allopurinol	69	18
Tramadol Hcl	Tramadol Hcl	58	20
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	57	28
Ibuprofen	Ibuprofen	57	24
Clopidogrel	Clopidogrel Bisulfate	54	12
Baclofen	Baclofen	53	15
Lovastatin	Lovastatin	53	17
Citalopram Hbr	Citalopram Hydrobromide	51	15
Montelukast Sodium	Montelukast Sodium	50	12
Lorazepam	Lorazepam	47	23
Ezetimibe	Ezetimibe	46	11
Januvia	Sitagliptin Phosphate	44	suppressed
Hydralazine Hcl	Hydralazine Hcl	43	14
Finasteride	Finasteride	41	12
Prednisone	Prednisone	41	16
Triamcinolone Acetonide	Triamcinolone Acetonide	41	22
Alendronate Sodium	Alendronate Sodium	40	11
Atenolol	Atenolol	40	11
Isosorbide Mononitrate Er	Isosorbide Mononitrate	39	11
Quetiapine Fumarate	Quetiapine Fumarate	38	21
Ozempic	Semaglutide	37	suppressed
Metformin Hcl Er	Metformin Hcl	36	11
Trulicity	Dulaglutide	35	suppressed
Glipizide	Glipizide	34	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	32	11
Meclizine Hcl	Meclizine Hcl	32	suppressed
Potassium Chloride	Potassium Chloride	31	suppressed
Creon	Lipase/Protease/Amylase	30	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	30	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	30	suppressed
Jardiance	Empagliflozin	29	suppressed
Ventolin Hfa	Albuterol Sulfate	29	suppressed
Warfarin Sodium	Warfarin Sodium	27	suppressed
Amoxicillin	Amoxicillin	26	17
Ropinirole Hcl	Ropinirole Hcl	25	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	25	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	25	suppressed
Alprazolam	Alprazolam	24	12
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	24	suppressed
Varenicline Tartrate	Varenicline Tartrate	24	suppressed
Diclofenac Sodium	Diclofenac Sodium	23	11
Incruse Ellipta	Umeclidinium Bromide	23	suppressed
Meloxicam	Meloxicam	23	suppressed
Paroxetine Hcl	Paroxetine Hcl	23	suppressed
Sucralfate	Sucralfate	23	suppressed
Verapamil Er	Verapamil Hcl	23	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	23	suppressed
Carvedilol	Carvedilol	22	suppressed
Gemfibrozil	Gemfibrozil	22	suppressed
Mirtazapine	Mirtazapine	22	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	21	suppressed
Azithromycin	Azithromycin	20	18
Doxepin Hcl	Doxepin Hcl	20	suppressed
Duloxetine Hcl	Duloxetine Hcl	20	suppressed
Enalapril Maleate	Enalapril Maleate	20	suppressed
Propranolol Hcl	Propranolol Hcl	20	suppressed
Ranolazine Er	Ranolazine	20	suppressed
Synthroid	Levothyroxine Sodium	19	suppressed
Buspirone Hcl	Buspirone Hcl	18	suppressed
Fenofibrate	Fenofibrate	18	suppressed
Nystatin	Nystatin	18	13
Ondansetron Hcl	Ondansetron Hcl	18	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	17	12
Zenpep	Lipase/Protease/Amylase	17	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	16
Olmesartan Medoxomil	Olmesartan Medoxomil	16	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	14
Insulin Syringe	Syringe And Needle,insulin,1ml	15	suppressed
Memantine Hcl	Memantine Hcl	15	suppressed
Ondansetron Odt	Ondansetron	15	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	15	suppressed
Valsartan	Valsartan	15	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Labetalol Hcl	Labetalol Hcl	14	suppressed
Nifedipine Er	Nifedipine	14	suppressed
Nyamyc	Nystatin	14	suppressed
Tizanidine Hcl	Tizanidine Hcl	14	suppressed
Xarelto	Rivaroxaban	14	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Eszopiclone	Eszopiclone	13	suppressed
Glimepiride	Glimepiride	13	suppressed
Loperamide	Loperamide Hcl	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	13
Venlafaxine Hcl Er	Venlafaxine Hcl	13	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	12	suppressed
Chlorthalidone	Chlorthalidone	12	suppressed
Donepezil Hcl	Donepezil Hcl	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Spiriva Handihaler	Tiotropium Bromide	12	suppressed
Alcohol Prep Pads	Alcohol Antiseptic Pads	11	suppressed
Carbamazepine Er	Carbamazepine	11	suppressed
Clobetasol Propionate	Clobetasol Propionate	11	suppressed
Fenofibrate	Fenofibrate,micronized	11	suppressed
Ketoconazole	Ketoconazole	11	suppressed
Nitroglycerin	Nitroglycerin	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Risperidone	Risperidone	11	suppressed
Spironolactone	Spironolactone	11	suppressed
Valacyclovir	Valacyclovir Hcl	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