Healthcare provider profile · identity verified

Charles Kriegel, DO

Family Practice · UNITY, ME · NPI 1497800734

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	430	127
Oxycodone Hcl	Oxycodone Hcl	332	44
Amlodipine Besylate	Amlodipine Besylate	295	84
Gabapentin	Gabapentin	258	74
Lisinopril	Lisinopril	252	73
Furosemide	Furosemide	251	76
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	245	44
Levothyroxine Sodium	Levothyroxine Sodium	232	67
Omeprazole	Omeprazole	227	69
Metoprolol Succinate	Metoprolol Succinate	212	68
Losartan Potassium	Losartan Potassium	209	61
Rosuvastatin Calcium	Rosuvastatin Calcium	199	59
Prednisone	Prednisone	196	87
Albuterol Sulfate Hfa	Albuterol Sulfate	163	71
Metoprolol Tartrate	Metoprolol Tartrate	153	48
Pantoprazole Sodium	Pantoprazole Sodium	150	46
Eliquis	Apixaban	145	38
Sertraline Hcl	Sertraline Hcl	132	44
Simvastatin	Simvastatin	127	35
Famotidine	Famotidine	118	36
Potassium Chloride	Potassium Chloride	105	37
Tramadol Hcl	Tramadol Hcl	100	28
Metformin Hcl	Metformin Hcl	97	37
Tamsulosin Hcl	Tamsulosin Hcl	93	31
Azithromycin	Azithromycin	83	52
Jardiance	Empagliflozin	81	21
Clonazepam	Clonazepam	71	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	71	24
Fluticasone Propionate	Fluticasone Propionate	70	23
Glipizide	Glipizide	68	18
Mirtazapine	Mirtazapine	66	21
Alprazolam	Alprazolam	65	13
Hydrochlorothiazide	Hydrochlorothiazide	64	18
Metformin Hcl Er	Metformin Hcl	63	20
Ezetimibe	Ezetimibe	61	20
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	59	23
Warfarin Sodium	Warfarin Sodium	58	20
Atenolol	Atenolol	57	16
Doxycycline Hyclate	Doxycycline Hyclate	55	45
Hydroxyzine Hcl	Hydroxyzine Hcl	54	18
Ramipril	Ramipril	54	16
Allopurinol	Allopurinol	52	17
Carvedilol	Carvedilol	52	16
Clopidogrel	Clopidogrel Bisulfate	51	23
Duloxetine Hcl	Duloxetine Hcl	51	14
Trazodone Hcl	Trazodone Hcl	50	17
Buspirone Hcl	Buspirone Hcl	46	15
Diazepam	Diazepam	46	suppressed
Glipizide Er	Glipizide	43	14
Ondansetron Hcl	Ondansetron Hcl	43	19
Spironolactone	Spironolactone	43	13
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	42	16
Nitroglycerin	Nitroglycerin	42	31
Pravastatin Sodium	Pravastatin Sodium	42	14
Montelukast Sodium	Montelukast Sodium	41	12
Cephalexin	Cephalexin	38	26
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	38	24
Venlafaxine Hcl Er	Venlafaxine Hcl	38	suppressed
Bumetanide	Bumetanide	37	13
Symbicort	Budesonide/Formoterol Fumarate	37	13
Escitalopram Oxalate	Escitalopram Oxalate	36	suppressed
Incruse Ellipta	Umeclidinium Bromide	34	suppressed
Bupropion Xl	Bupropion Hcl	32	suppressed
Lorazepam	Lorazepam	32	15
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	32	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	31	suppressed
Spiriva Respimat	Tiotropium Bromide	29	suppressed
Alendronate Sodium	Alendronate Sodium	26	suppressed
Amoxicillin	Amoxicillin	26	23
Meclizine Hcl	Meclizine Hcl	26	12
Morphine Sulfate Er	Morphine Sulfate	26	suppressed
Ibuprofen	Ibuprofen	25	suppressed
Cefuroxime	Cefuroxime Axetil	24	16
Nyamyc	Nystatin	24	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	24	suppressed
Donepezil Hcl	Donepezil Hcl	23	suppressed
Finasteride	Finasteride	23	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	suppressed
Hydralazine Hcl	Hydralazine Hcl	22	suppressed
Isosorbide Mononitrate	Isosorbide Mononitrate	22	suppressed
Amiodarone Hcl	Amiodarone Hcl	21	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	21	suppressed
Topiramate	Topiramate	21	suppressed
Xarelto	Rivaroxaban	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	20	suppressed
Ozempic	Semaglutide	20	suppressed
Pregabalin	Pregabalin	20	suppressed
Sotalol	Sotalol Hcl	20	suppressed
Trulicity	Dulaglutide	20	suppressed
Verapamil Er	Verapamil Hcl	20	suppressed
Fluconazole	Fluconazole	19	12
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	19	suppressed
Januvia	Sitagliptin Phosphate	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	18	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	18	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	18	12
Citalopram Hbr	Citalopram Hydrobromide	18	suppressed
Divalproex Sodium	Divalproex Sodium	17	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	17	suppressed
Levetiracetam	Levetiracetam	17	suppressed
Nitroglycerin Patch	Nitroglycerin	17	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	17	11
Baclofen	Baclofen	16	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	16	suppressed
Aripiprazole	Aripiprazole	15	suppressed
Enalapril Maleate	Enalapril Maleate	15	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	15	suppressed
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Sucralfate	Sucralfate	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	14	13
Ropinirole Hcl	Ropinirole Hcl	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Morphine Sulfate	Morphine Sulfate	13	suppressed
Novolog Flexpen	Insulin Aspart	13	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	12	suppressed
Dilt-Xr	Diltiazem Hcl	12	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	12	suppressed
Meloxicam	Meloxicam	12	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	12	suppressed
Primidone	Primidone	12	suppressed
Torsemide	Torsemide	12	suppressed
Arnuity Ellipta	Fluticasone Furoate	11	suppressed
Clindamycin Hcl	Clindamycin Hcl	11	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	11	suppressed
Methadone Hcl	Methadone Hcl	11	suppressed
Mometasone Furoate	Mometasone Furoate	11	suppressed
Naproxen	Naproxen	11	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	11	suppressed
Ventolin Hfa	Albuterol Sulfate	11	suppressed
Vyvanse	Lisdexamfetamine Dimesylate	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

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