Healthcare provider profile · identity verified

Frieda M Menzer, MD

Internal Medicine · MOREHEAD CITY, NC · NPI 1801996285

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
Levothyroxine Sodium	Levothyroxine Sodium	717	87
Amlodipine Besylate	Amlodipine Besylate	346	64
Eliquis	Apixaban	345	48
Atorvastatin Calcium	Atorvastatin Calcium	297	54
Donepezil Hcl	Donepezil Hcl	295	43
Furosemide	Furosemide	289	58
Gabapentin	Gabapentin	278	44
Memantine Hcl	Memantine Hcl	255	42
Omeprazole	Omeprazole	253	46
Losartan Potassium	Losartan Potassium	250	40
Metoprolol Succinate	Metoprolol Succinate	249	40
Potassium Chloride	Potassium Chloride	184	38
Sertraline Hcl	Sertraline Hcl	179	32
Lisinopril	Lisinopril	163	28
Metoprolol Tartrate	Metoprolol Tartrate	162	27
Pantoprazole Sodium	Pantoprazole Sodium	153	45
Divalproex Sodium	Divalproex Sodium	126	19
Duloxetine Hcl	Duloxetine Hcl	126	21
Clopidogrel	Clopidogrel Bisulfate	120	22
Ezetimibe	Ezetimibe	120	12
Trazodone Hcl	Trazodone Hcl	107	19
Carvedilol	Carvedilol	102	18
Mirtazapine	Mirtazapine	101	21
Famotidine	Famotidine	99	20
Latanoprost	Latanoprost	90	21
Tamsulosin Hcl	Tamsulosin Hcl	87	23
Xarelto	Rivaroxaban	86	13
Myrbetriq	Mirabegron	84	21
Montelukast Sodium	Montelukast Sodium	83	13
Baclofen	Baclofen	81	14
Buspirone Hcl	Buspirone Hcl	80	12
Alendronate Sodium	Alendronate Sodium	79	suppressed
Meloxicam	Meloxicam	78	11
Fluticasone Propionate	Fluticasone Propionate	75	24
Carbidopa-Levodopa	Carbidopa/Levodopa	73	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	73	15
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	69	13
Escitalopram Oxalate	Escitalopram Oxalate	68	18
Metformin Hcl	Metformin Hcl	68	12
Amiodarone Hcl	Amiodarone Hcl	66	17
Lamotrigine	Lamotrigine	65	suppressed
Levetiracetam	Levetiracetam	61	suppressed
Finasteride	Finasteride	60	11
Quetiapine Fumarate	Quetiapine Fumarate	60	11
Simvastatin	Simvastatin	60	16
Lorazepam	Lorazepam	58	30
Atenolol	Atenolol	56	suppressed
Citalopram Hbr	Citalopram Hydrobromide	54	suppressed
Paroxetine Hcl	Paroxetine Hcl	51	suppressed
Colestipol Hcl	Colestipol Hcl	50	suppressed
Ondansetron Hcl	Ondansetron Hcl	50	34
Pravastatin Sodium	Pravastatin Sodium	49	suppressed
Prednisone	Prednisone	49	26
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	48	12
Memantine Hcl Er	Memantine Hcl	47	suppressed
Bupropion Xl	Bupropion Hcl	45	13
Hydrochlorothiazide	Hydrochlorothiazide	44	suppressed
Ropinirole Hcl	Ropinirole Hcl	44	suppressed
Ondansetron Odt	Ondansetron	42	20
Isosorbide Mononitrate Er	Isosorbide Mononitrate	41	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	40	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	39	26
Tramadol Hcl	Tramadol Hcl	39	27
Amitriptyline Hcl	Amitriptyline Hcl	38	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	38	29
Fluoxetine Hcl	Fluoxetine Hcl	38	suppressed
Lidocaine Hcl	Lidocaine Hcl	37	22
Nyamyc	Nystatin	35	19
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	33	suppressed
Spironolactone	Spironolactone	33	11
Sucralfate	Sucralfate	33	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	32	11
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	32	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	31	suppressed
Timolol Maleate	Timolol Maleate	31	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	30	suppressed
Olanzapine	Olanzapine	30	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	29	24
Methimazole	Methimazole	29	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	29	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	28	suppressed
Ceftriaxone	Ceftriaxone Sodium	28	22
Cephalexin	Cephalexin	28	14
Digoxin	Digoxin	27	suppressed
Labetalol Hcl	Labetalol Hcl	27	suppressed
Torsemide	Torsemide	26	suppressed
Verapamil Er Pm	Verapamil Hcl	26	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	25	22
Telmisartan	Telmisartan	25	suppressed
Midodrine Hcl	Midodrine Hcl	24	suppressed
Synthroid	Levothyroxine Sodium	23	suppressed
Warfarin Sodium	Warfarin Sodium	23	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	22	17
Clonidine Hcl	Clonidine Hcl	22	suppressed
Hydralazine Hcl	Hydralazine Hcl	22	suppressed
Metronidazole	Metronidazole	22	12
Dutasteride	Dutasteride	21	suppressed
Clonazepam	Clonazepam	20	suppressed
Oxycodone Hcl	Oxycodone Hcl	20	13
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	20	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	20	12
Valsartan	Valsartan	20	suppressed
Flecainide Acetate	Flecainide Acetate	19	suppressed
Glimepiride	Glimepiride	19	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	19	16
Propranolol Hcl	Propranolol Hcl	19	suppressed
Symbicort	Budesonide/Formoterol Fumarate	19	suppressed
Alprazolam	Alprazolam	18	suppressed
Tradjenta	Linagliptin	18	suppressed
Erythromycin	Erythromycin Base	17	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	17	suppressed
Ipratropium Bromide	Ipratropium Bromide	17	suppressed
Jardiance	Empagliflozin	17	suppressed
Linzess	Linaclotide	17	suppressed
Silodosin	Silodosin	17	suppressed
Allopurinol	Allopurinol	16	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	16	12
Irbesartan	Irbesartan	16	suppressed
Mounjaro	Tirzepatide	16	suppressed
Solifenacin Succinate	Solifenacin Succinate	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	16	suppressed
Amoxicillin	Amoxicillin	15	12
Azithromycin	Azithromycin	15	suppressed
Bupropion Hcl Sr	Bupropion Hcl	15	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	15	suppressed
Fluconazole	Fluconazole	15	suppressed
Lidocaine	Lidocaine	15	suppressed
Metolazone	Metolazone	15	suppressed
Rivastigmine	Rivastigmine	15	suppressed
Aripiprazole	Aripiprazole	14	suppressed
Febuxostat	Febuxostat	14	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Lovastatin	Lovastatin	14	suppressed
Nystop	Nystatin	14	suppressed
Primidone	Primidone	14	suppressed
Risperidone	Risperidone	14	suppressed
Tizanidine Hcl	Tizanidine Hcl	14	suppressed
Celecoxib	Celecoxib	13	suppressed
Divalproex Sodium Er	Divalproex Sodium	13	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	13	suppressed
Loperamide	Loperamide Hcl	13	11
Nitroglycerin	Nitroglycerin	13	13
Perphenazine	Perphenazine	13	suppressed
Pregabalin	Pregabalin	13	suppressed
Propafenone Hcl Er	Propafenone Hcl	13	suppressed
Sodium Chloride	0.9 % Sodium Chloride	13	suppressed
Trimethoprim	Trimethoprim	13	suppressed
Bumetanide	Bumetanide	12	suppressed
Cilostazol	Cilostazol	12	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	12	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	12	suppressed
Fluphenazine Hcl	Fluphenazine Hcl	12	suppressed
Glipizide Er	Glipizide	12	suppressed
Haloperidol	Haloperidol	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Mirabegron Er	Mirabegron	12	suppressed
Spiriva Handihaler	Tiotropium Bromide	12	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	12	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	12	suppressed
Azathioprine	Azathioprine	11	suppressed
Entresto	Sacubitril/Valsartan	11	suppressed
Insulin Aspart Flexpen	Insulin Aspart	11	suppressed
Lactulose	Lactulose	11	suppressed
Nuplazid	Pimavanserin Tartrate	11	suppressed
Nystatin	Nystatin	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	11	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	11	suppressed
Premarin	Estrogens, Conjugated	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