Healthcare provider profile · identity verified

Charles A Roberts, PAC

Physician Assistant · OLD TOWN, ME · NPI 1295884716

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	600	200
Lisinopril	Lisinopril	351	114
Levothyroxine Sodium	Levothyroxine Sodium	300	104
Amlodipine Besylate	Amlodipine Besylate	249	76
Metformin Hcl Er	Metformin Hcl	214	72
Omeprazole	Omeprazole	214	67
Metoprolol Succinate	Metoprolol Succinate	201	66
Losartan Potassium	Losartan Potassium	182	66
Metoprolol Tartrate	Metoprolol Tartrate	179	50
Tamsulosin Hcl	Tamsulosin Hcl	179	53
Pantoprazole Sodium	Pantoprazole Sodium	177	64
Furosemide	Furosemide	168	52
Albuterol Sulfate Hfa	Albuterol Sulfate	142	48
Famotidine	Famotidine	141	44
Hydrochlorothiazide	Hydrochlorothiazide	136	49
Gabapentin	Gabapentin	128	47
Rosuvastatin Calcium	Rosuvastatin Calcium	128	52
Simvastatin	Simvastatin	120	37
Eliquis	Apixaban	111	36
Trulicity	Dulaglutide	103	20
Duloxetine Hcl	Duloxetine Hcl	97	25
Sertraline Hcl	Sertraline Hcl	95	31
Metformin Hcl	Metformin Hcl	94	30
Fluticasone Propionate	Fluticasone Propionate	83	25
Jardiance	Empagliflozin	76	26
Finasteride	Finasteride	66	19
Allopurinol	Allopurinol	65	23
Pregabalin	Pregabalin	61	19
Montelukast Sodium	Montelukast Sodium	60	17
Potassium Chloride	Potassium Chloride	59	18
Escitalopram Oxalate	Escitalopram Oxalate	58	23
Mounjaro	Tirzepatide	54	13
Spironolactone	Spironolactone	53	18
Januvia	Sitagliptin Phosphate	52	16
Citalopram Hbr	Citalopram Hydrobromide	48	16
Clopidogrel	Clopidogrel Bisulfate	47	19
Atenolol	Atenolol	46	15
Carvedilol	Carvedilol	46	17
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	44	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	43	15
Tramadol Hcl	Tramadol Hcl	43	15
Isosorbide Mononitrate Er	Isosorbide Mononitrate	41	13
Baclofen	Baclofen	39	suppressed
Bupropion Xl	Bupropion Hcl	39	16
Prednisone	Prednisone	38	26
Venlafaxine Hcl Er	Venlafaxine Hcl	38	suppressed
Symbicort	Budesonide/Formoterol Fumarate	37	12
Fluconazole	Fluconazole	35	suppressed
Mirtazapine	Mirtazapine	35	11
Ropinirole Hcl	Ropinirole Hcl	35	11
Glipizide Er	Glipizide	33	11
Amitriptyline Hcl	Amitriptyline Hcl	32	suppressed
Lovastatin	Lovastatin	32	11
Ventolin Hfa	Albuterol Sulfate	31	suppressed
Ondansetron Odt	Ondansetron	29	suppressed
Ozempic	Semaglutide	29	11
Warfarin Sodium	Warfarin Sodium	29	suppressed
Buspirone Hcl	Buspirone Hcl	28	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	11
Donepezil Hcl	Donepezil Hcl	27	suppressed
Ezetimibe	Ezetimibe	27	12
Aripiprazole	Aripiprazole	25	suppressed
Lorazepam	Lorazepam	25	suppressed
Pravastatin Sodium	Pravastatin Sodium	25	suppressed
Propranolol Hcl	Propranolol Hcl	25	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	23	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	23	16
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	23	suppressed
Meloxicam	Meloxicam	22	suppressed
Olanzapine	Olanzapine	22	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	22	suppressed
Risperidone	Risperidone	22	suppressed
Oxcarbazepine	Oxcarbazepine	21	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	21	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	20	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Glipizide	Glipizide	20	suppressed
Jantoven	Warfarin Sodium	20	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	19	suppressed
Celecoxib	Celecoxib	18	suppressed
Clonidine Hcl	Clonidine Hcl	18	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	18	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	18	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	18	suppressed
Azithromycin	Azithromycin	16	suppressed
Lansoprazole	Lansoprazole	16	suppressed
Meclizine Hcl	Meclizine Hcl	16	suppressed
Paroxetine Hcl	Paroxetine Hcl	16	suppressed
Trazodone Hcl	Trazodone Hcl	16	suppressed
Benztropine Mesylate	Benztropine Mesylate	15	suppressed
Bumetanide	Bumetanide	15	suppressed
Oxycodone Hcl	Oxycodone Hcl	15	suppressed
Tresiba Flextouch U-100	Insulin Degludec	15	suppressed
Valacyclovir	Valacyclovir Hcl	15	suppressed
Doxepin Hcl	Doxepin Hcl	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	suppressed
Xarelto	Rivaroxaban	14	suppressed
Chlorthalidone	Chlorthalidone	13	suppressed
Clotrimazole	Clotrimazole	13	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	13	suppressed
Linzess	Linaclotide	13	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	13	suppressed
Amoxicillin	Amoxicillin	12	11
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Effexor Xr	Venlafaxine Hcl	12	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	12	suppressed
Minocycline Hcl	Minocycline Hcl	12	suppressed
Nitroglycerin Patch	Nitroglycerin	12	suppressed
Repatha Sureclick	Evolocumab	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Zonisamide	Zonisamide	12	suppressed
Alendronate Sodium	Alendronate Sodium	11	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Gemfibrozil	Gemfibrozil	11	suppressed
Glimepiride	Glimepiride	11	suppressed
Hydralazine Hcl	Hydralazine Hcl	11	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Spiriva Handihaler	Tiotropium Bromide	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	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