Healthcare provider profile · identity verified

Adam Liegner, MD

Family Practice · TOPSHAM, ME · NPI 1265793574

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	507	154
Lisinopril	Lisinopril	300	97
Levothyroxine Sodium	Levothyroxine Sodium	232	65
Omeprazole	Omeprazole	223	59
Hydrochlorothiazide	Hydrochlorothiazide	201	70
Metoprolol Succinate	Metoprolol Succinate	199	51
Losartan Potassium	Losartan Potassium	182	59
Amlodipine Besylate	Amlodipine Besylate	181	56
Tamsulosin Hcl	Tamsulosin Hcl	161	48
Gabapentin	Gabapentin	150	53
Albuterol Sulfate Hfa	Albuterol Sulfate	149	58
Famotidine	Famotidine	149	38
Pantoprazole Sodium	Pantoprazole Sodium	139	49
Sertraline Hcl	Sertraline Hcl	122	34
Furosemide	Furosemide	114	32
Duloxetine Hcl	Duloxetine Hcl	109	30
Eliquis	Apixaban	98	23
Simvastatin	Simvastatin	96	31
Metoprolol Tartrate	Metoprolol Tartrate	95	29
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	92	14
Rosuvastatin Calcium	Rosuvastatin Calcium	82	26
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	77	21
Prednisone	Prednisone	74	39
Fluticasone Propionate	Fluticasone Propionate	71	23
Oxycodone Hcl	Oxycodone Hcl	67	suppressed
Trazodone Hcl	Trazodone Hcl	67	30
Metformin Hcl	Metformin Hcl	64	22
Atenolol	Atenolol	54	18
Potassium Chloride	Potassium Chloride	54	14
Ropinirole Hcl	Ropinirole Hcl	51	13
Triamcinolone Acetonide	Triamcinolone Acetonide	51	32
Metformin Hcl Er	Metformin Hcl	49	19
Alprazolam	Alprazolam	48	suppressed
Paroxetine Hcl	Paroxetine Hcl	48	suppressed
Pravastatin Sodium	Pravastatin Sodium	48	14
Sumatriptan Succinate	Sumatriptan Succinate	48	suppressed
Alendronate Sodium	Alendronate Sodium	47	14
Zolpidem Tartrate	Zolpidem Tartrate	47	suppressed
Pregabalin	Pregabalin	46	13
Jardiance	Empagliflozin	45	13
Tramadol Hcl	Tramadol Hcl	45	suppressed
Citalopram Hbr	Citalopram Hydrobromide	44	12
Glipizide Er	Glipizide	42	19
Lovastatin	Lovastatin	41	12
Celecoxib	Celecoxib	40	14
Buspirone Hcl	Buspirone Hcl	39	17
Allopurinol	Allopurinol	38	15
Montelukast Sodium	Montelukast Sodium	38	13
Escitalopram Oxalate	Escitalopram Oxalate	37	18
Meloxicam	Meloxicam	36	14
Venlafaxine Hcl Er	Venlafaxine Hcl	36	suppressed
Clopidogrel	Clopidogrel Bisulfate	34	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	34	suppressed
Xarelto	Rivaroxaban	33	suppressed
Ezetimibe	Ezetimibe	32	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	32	13
Enalapril Maleate	Enalapril Maleate	30	suppressed
Lorazepam	Lorazepam	30	suppressed
Bupropion Xl	Bupropion Hcl	29	suppressed
Spironolactone	Spironolactone	28	suppressed
Clonazepam	Clonazepam	27	suppressed
Symbicort	Budesonide/Formoterol Fumarate	27	suppressed
Lidocaine	Lidocaine	26	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	25	suppressed
Carvedilol	Carvedilol	25	suppressed
Clonidine Hcl	Clonidine Hcl	25	suppressed
Morphine Sulfate	Morphine Sulfate	25	suppressed
Nitroglycerin	Nitroglycerin	25	14
Ventolin Hfa	Albuterol Sulfate	25	suppressed
Baclofen	Baclofen	24	suppressed
Finasteride	Finasteride	24	suppressed
Mirtazapine	Mirtazapine	24	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	23	suppressed
Warfarin Sodium	Warfarin Sodium	23	suppressed
Chlorthalidone	Chlorthalidone	22	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	22	19
Eszopiclone	Eszopiclone	21	suppressed
Acyclovir	Acyclovir	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	20	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Dilt-Xr	Diltiazem Hcl	20	suppressed
Myrbetriq	Mirabegron	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	20	16
Arexvy	Rsvpref3 Antigen/As01e/Pf	19	19
Dicyclomine Hcl	Dicyclomine Hcl	19	suppressed
Januvia	Sitagliptin Phosphate	19	suppressed
Diclofenac Sodium	Diclofenac Sodium	18	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	18	suppressed
Glipizide	Glipizide	18	suppressed
Methocarbamol	Methocarbamol	18	suppressed
Nystatin	Nystatin	18	suppressed
Sucralfate	Sucralfate	18	suppressed
Rizatriptan	Rizatriptan Benzoate	17	suppressed
Amoxicillin	Amoxicillin	16	16
Bumetanide	Bumetanide	16	suppressed
Ozempic	Semaglutide	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	15	suppressed
Ibuprofen	Ibuprofen	15	suppressed
Ondansetron Odt	Ondansetron	15	suppressed
Propranolol Hcl	Propranolol Hcl	15	suppressed
Tizanidine Hcl	Tizanidine Hcl	15	suppressed
Indapamide	Indapamide	14	suppressed
Buprenorphine	Buprenorphine	13	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	13	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	13	suppressed
Naproxen	Naproxen	13	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	13	12
Synthroid	Levothyroxine Sodium	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	12	suppressed
Doxepin Hcl	Doxepin Hcl	12	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	12	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Butorphanol Tartrate	Butorphanol Tartrate	11	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	11	suppressed
Diazepam	Diazepam	11	suppressed
Irbesartan	Irbesartan	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	11	suppressed
Trulicity	Dulaglutide	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