Healthcare provider profile · identity verified

Daniel Stoll, MD

Family Practice · PORTOLA, CA · NPI 1255713418

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
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	686	80
Atorvastatin Calcium	Atorvastatin Calcium	422	123
Pregabalin	Pregabalin	332	57
Amlodipine Besylate	Amlodipine Besylate	281	76
Omeprazole	Omeprazole	252	71
Trazodone Hcl	Trazodone Hcl	247	53
Albuterol Sulfate Hfa	Albuterol Sulfate	241	55
Levothyroxine Sodium	Levothyroxine Sodium	241	60
Losartan Potassium	Losartan Potassium	238	69
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	217	32
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	207	45
Gabapentin	Gabapentin	207	50
Lisinopril	Lisinopril	199	55
Zolpidem Tartrate	Zolpidem Tartrate	185	32
Celecoxib	Celecoxib	176	49
Potassium Chloride	Potassium Chloride	162	49
Sertraline Hcl	Sertraline Hcl	151	38
Diazepam	Diazepam	147	23
Furosemide	Furosemide	144	44
Meloxicam	Meloxicam	143	38
Alprazolam	Alprazolam	133	22
Tramadol Hcl	Tramadol Hcl	128	20
Oxycodone Hcl	Oxycodone Hcl	118	17
Prednisone	Prednisone	109	24
Metformin Hcl	Metformin Hcl	107	29
Ozempic	Semaglutide	102	17
Tamsulosin Hcl	Tamsulosin Hcl	101	33
Morphine Sulfate Er	Morphine Sulfate	99	11
Metoprolol Succinate	Metoprolol Succinate	93	32
Sumatriptan Succinate	Sumatriptan Succinate	88	19
Baclofen	Baclofen	86	22
Myrbetriq	Mirabegron	81	19
Lorazepam	Lorazepam	80	suppressed
Montelukast Sodium	Montelukast Sodium	80	20
Ondansetron Odt	Ondansetron	80	26
Hydrochlorothiazide	Hydrochlorothiazide	74	29
Famotidine	Famotidine	73	29
Alendronate Sodium	Alendronate Sodium	69	21
Eliquis	Apixaban	69	14
Fluoxetine Hcl	Fluoxetine Hcl	69	11
Spironolactone	Spironolactone	69	20
Pantoprazole Sodium	Pantoprazole Sodium	61	15
Rosuvastatin Calcium	Rosuvastatin Calcium	60	20
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	57	suppressed
Clonazepam	Clonazepam	57	suppressed
Clonidine Hcl	Clonidine Hcl	56	14
Jardiance	Empagliflozin	56	11
Duloxetine Hcl	Duloxetine Hcl	54	17
Eszopiclone	Eszopiclone	53	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	50	20
Escitalopram Oxalate	Escitalopram Oxalate	50	16
Valacyclovir	Valacyclovir Hcl	49	19
Allopurinol	Allopurinol	48	13
Valsartan	Valsartan	48	11
Ventolin Hfa	Albuterol Sulfate	48	16
Amitriptyline Hcl	Amitriptyline Hcl	47	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	47	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	47	suppressed
Clopidogrel	Clopidogrel Bisulfate	42	16
Gemtesa	Vibegron	42	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	42	suppressed
Fluticasone Propionate	Fluticasone Propionate	41	18
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	41	13
Prazosin Hcl	Prazosin Hcl	40	suppressed
Ipratropium Bromide	Ipratropium Bromide	39	19
Bupropion Xl	Bupropion Hcl	38	suppressed
Doxepin Hcl	Doxepin Hcl	38	12
Morphine Sulfate	Morphine Sulfate	38	suppressed
Propranolol Hcl Er	Propranolol Hcl	37	12
Xarelto	Rivaroxaban	37	11
Azelastine Hcl	Azelastine Hcl	36	16
Donepezil Hcl	Donepezil Hcl	36	suppressed
Carisoprodol	Carisoprodol	35	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	34	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	34	suppressed
Glipizide Er	Glipizide	33	suppressed
Tizanidine Hcl	Tizanidine Hcl	33	suppressed
Lidocaine	Lidocaine	32	11
Breo Ellipta	Fluticasone/Vilanterol	31	suppressed
Simvastatin	Simvastatin	31	11
Buprenorphine Hcl	Buprenorphine Hcl	30	suppressed
Ibuprofen	Ibuprofen	30	suppressed
Incruse Ellipta	Umeclidinium Bromide	30	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	30	suppressed
Synthroid	Levothyroxine Sodium	30	suppressed
Estradiol	Estradiol	29	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	28	suppressed
Promethazine Hcl	Promethazine Hcl	28	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	28	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	28	suppressed
Paroxetine Hcl	Paroxetine Hcl	27	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	27	suppressed
Rybelsus	Semaglutide	27	suppressed
Oxycontin	Oxycodone Hcl	26	suppressed
Movantik	Naloxegol Oxalate	25	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	25	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	24	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	24	suppressed
Pravastatin Sodium	Pravastatin Sodium	23	suppressed
Warfarin Sodium	Warfarin Sodium	23	suppressed
Carvedilol	Carvedilol	22	suppressed
Lovastatin	Lovastatin	22	suppressed
Naproxen	Naproxen	22	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	22	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	22	15
Triamcinolone Acetonide	Triamcinolone Acetonide	22	12
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Chlorthalidone	Chlorthalidone	21	suppressed
Glipizide	Glipizide	21	suppressed
Colchicine	Colchicine	20	suppressed
Linzess	Linaclotide	20	suppressed
Atenolol	Atenolol	19	suppressed
Citalopram Hbr	Citalopram Hydrobromide	19	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	19	suppressed
Finasteride	Finasteride	19	suppressed
Hydrocortisone	Hydrocortisone	19	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Mirtazapine	Mirtazapine	19	suppressed
Repatha Sureclick	Evolocumab	19	suppressed
Topiramate	Topiramate	19	suppressed
Aripiprazole	Aripiprazole	18	suppressed
Azithromycin	Azithromycin	18	14
Nystatin	Nystatin	18	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	18	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	17	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	17	suppressed
Divalproex Sodium	Divalproex Sodium	17	suppressed
Serevent Diskus	Salmeterol Xinafoate	17	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	16	suppressed
Ezetimibe	Ezetimibe	16	suppressed
Primidone	Primidone	16	suppressed
Risperidone	Risperidone	16	suppressed
Testosterone Cypionate	Testosterone Cypionate	16	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Methocarbamol	Methocarbamol	14	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Tiotropium Bromide	Tiotropium Bromide	14	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Lidocaine-Prilocaine	Lidocaine/Prilocaine	13	suppressed
Acyclovir	Acyclovir	12	suppressed
Azathioprine	Azathioprine	12	suppressed
Buspirone Hcl	Buspirone Hcl	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Indapamide	Indapamide	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	12	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	11	suppressed
Lactulose	Lactulose	11	suppressed
Oxcarbazepine	Oxcarbazepine	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